CN108169845A - Class rectangle panda type polarization-preserving fiber - Google Patents
Class rectangle panda type polarization-preserving fiber Download PDFInfo
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- CN108169845A CN108169845A CN201810159238.7A CN201810159238A CN108169845A CN 108169845 A CN108169845 A CN 108169845A CN 201810159238 A CN201810159238 A CN 201810159238A CN 108169845 A CN108169845 A CN 108169845A
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- 239000000835 fiber Substances 0.000 title claims abstract description 66
- 208000025174 PANDAS Diseases 0.000 title claims abstract description 51
- 208000021155 Paediatric autoimmune neuropsychiatric disorders associated with streptococcal infection Diseases 0.000 title claims abstract description 51
- 235000016496 Panda oleosa Nutrition 0.000 title claims abstract description 51
- 240000000220 Panda oleosa Species 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 claims abstract description 127
- 238000000576 coating method Methods 0.000 claims abstract description 127
- 239000013307 optical fiber Substances 0.000 claims abstract description 99
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000010410 layer Substances 0.000 claims abstract description 23
- 239000010453 quartz Substances 0.000 claims abstract description 7
- 239000012792 core layer Substances 0.000 claims abstract description 4
- 240000004718 Panda Species 0.000 claims description 49
- 230000009477 glass transition Effects 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 238000010008 shearing Methods 0.000 claims description 9
- 238000005491 wire drawing Methods 0.000 claims description 8
- 238000010422 painting Methods 0.000 claims description 4
- 230000010287 polarization Effects 0.000 abstract description 26
- 239000000463 material Substances 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000011347 resin Substances 0.000 abstract description 7
- 229920005989 resin Polymers 0.000 abstract description 7
- 230000008646 thermal stress Effects 0.000 abstract description 7
- 238000005457 optimization Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 abstract 1
- 230000035882 stress Effects 0.000 description 21
- 238000004804 winding Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 17
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 238000005253 cladding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005352 galvanomagnetic phenomena Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/024—Optical fibres with cladding with or without a coating with polarisation maintaining properties
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
A kind of class rectangle panda type polarization-preserving fiber of the present invention, it includes core area, stressed zone, clad region, it is characterised in that：The clad region outer layer coats circular ring type inner coating, and external coating is coated in inner coating outer layer；The core area is doping silica core layers, the clad region is the pure quartz portions to undope, the inner coating uses softer resin material, its diameter D4 ∈ [D3 × 1.2, D3 × 1.8], the external coating use harder resin material, wide W5 ∈ [D3 × 1.6 of external coating, D3 × 2.1], the long L5 ∈ [D3 × 1.8, D3 × 2.4] of external coating.The present invention can directly carry out the development and production of the symmetrical polarization maintaining optical fibre sensing ring of dead cast quadrupole, and the optimization for reaching polarization maintaining optical fibre sensing ring parameter index is promoted；The intrinsic temperature stability of optical fiber and thermal stress damping characteristics are promoted simultaneously, improve environmental performance and mechanical performance after optical fiber loop is coiled into.
Description
Technical field
The present invention relates to technical field of optical fiber more particularly to a kind of class rectangle panda type polarization-preserving fibers.
Background technology
Polarization maintaining optical fibre, be mainly used in the sensors such as optical fiber current mutual inductor, optical fibre gyro, fibre optic hydrophone and DWDM,
The optical fiber telecommunications systems such as EDFA are a kind of special optical fiber types having extensively using value.Stress birfringence polarization maintaining optical fibre master
There are bow-tie type polarization maintaining optical fibre, panda type polarization-preserving fiber and oval three kinds of cladding type polarization maintaining optical fibre.Wherein, panda type polarization-preserving fiber
It is most widely used.Since the application of polarization maintaining optical fibre is mainly in the technical fields such as optical fibre gyro, in these related application fields, phase
When length polarization maintaining optical fibre needs turned to optical fiber loop, become sensing element, pass through different physical effects, such as Sagnac
Effect measures the angular acceleration of object.In order to ensure that the optical fiber loop of these polarization maintaining optical fibres is steady with good temperature and stress
It is qualitative, it needs using special around loop technique, the optical fiber loop generally used using quadrupole winding winding optical fiber gyro.In optical fiber
In the winding process of ring, it is desirable that accurate control is by the length of winding optical fiber, position and around fine tension, to ensure that optical fiber loop exists
Good optics reciprocity is kept in structure.Using existing circular cross-section polarization maintaining optical fibre product, in the coiling of optical fiber loop
Cheng Zhong, there are following points：Firstly for circular configuration, the V-shaped groove that upper strata optical fiber will necessarily be formed along lower floor's optical fiber is wound,
It can not be located on lower floor's optical fiber according to the requirement upper strata optical fiber of quadrupole winding；Second since upper strata optical fiber is along lower floor's optical fiber shape
Into V-shaped groove in wind and advance, when optical fiber is from a circle V-shaped groove to during adjacent circle V-shaped groove leap, meeting between levels optical fiber
There is a cross-lapping point, the presence of this cross-lapping point makes a significant impact the performance of optical fiber loop, how to handle
There are the technological difficulties that crosspoint is optical fiber loop coiling during；Third, due to the use of the light of circular cross-section structure
Fibre, in the winding process of fiber optic loop, it is difficult to ensure that circular cross-section optical fiber does not generate torsion, and this optic fibre turning can be due to ground
Magnetic Faraday effects have a negative impact to the precision of optical fiber loop.
To solve the above-mentioned problems, United States Patent (USP) US6215933, Bifilar fog coil winding pattern
With improved shupe bias canceling properties, disclose a kind of method of double optical fiber coilings, can be with
The length of winding optical fiber is effectively reduced, but uses the technology, still can not solve effective control and the winding process of fiber position
The torsion problem of middle optical fiber.United States Patent (USP) US5848213, Low shupe bias fiber optic rotation
Sensor coil disclose a kind of use and with the method for optical fiber winding optical fiber ring：Carried out using and with optical fiber around ring, it will
And the chieftain of band is welded together to form ring in certain sequence；Layer stackup is put down above and below optical fiber when can ensureing around ring in this way
Row, and reduce the length for needing winding optical fiber.But this method increases many optical fiber during ring coiling
Fusion splice, the performance that can lead to sensor coil are unstable.Winding optical fiber ring in this way simultaneously, introduces optical fiber simultaneously
Other high molecular materials such as band glue, negative impact is brought to the temperature stability of optical fiber loop.In Chinese patent
A kind of double waveguide parallel polarization maintaining fiber and its manufacturing method are described in 201110029982.3, using two panda type polarization-maintainings
Preform side and after getting up, wire drawing together is made, at the same when controlling wire drawing mold shape, realize ellipse coating
Design.The preparation method of this optical fiber needs that prefabricated rods are carried out and closed, and increases technology difficulty and risk, while double-fiber coiling
The risk of multiple fusion points can be equally introduced, risk is generated to the temperature stability of optical fiber loop.In Chinese patent
A kind of panda type polarization-preserving fiber and its manufacturing method convenient for coiling is described in 201110185869.4, is protected using by panda type
The side of polarisation fibre punching prefabricated rods is polished, and forms the prefabricated rods of major arc shape, then apply by stress rods assembling and wire drawing
It covers, panda type polarization-preserving fiber is made.The design of this optical fiber is designed using asymmetric silica clad, to the stress of polarization maintaining optical fibre
Structure design has carried out larger adjustment, introduces the risk of polarization crosstalk temperature stability deterioration.
Invention content
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of class rectangle panda type polarization-preserving fibers, reach polarization-maintaining light
The optimization of fibre sensing ring parameter index is promoted, while improve the production output capacity and efficiency of optical fiber loop coiling.
The object of the present invention is achieved like this：
A kind of class rectangle panda type polarization-preserving fiber, it includes core area, stressed zone, clad region, it is characterised in that：Outside the clad region
Layer coating circular ring type inner coating, external coating is coated in inner coating outer layer；Silica core layers, the diameter D1 in core area is adulterate in the core area
∈ [3 μm, 7 μm]；The diameter D2 ∈ [D1 × 3, D1 × 6] of the stressed zone, the inset spacing D22 ∈ [D1 in Liang Ge stress symmetrics area
× 1.3, D1 × 3]；The clad region is the pure quartz portions to undope, and the diameter D3 ∈ [58 μm, 82 μm] of clad region are described
Inner coating uses softer resin material, diameter D4 ∈ [D3 × 1.2, D3 × 1.8], and the external coating uses harder resin
Material, the wide W5 ∈ [D3 × 1.6, D3 × 2.1] of external coating, the long L5 ∈ [D3 × 1.8, D3 × 2.4] of external coating.
A kind of class rectangle panda type polarization-preserving fiber, the inner coating are that the table of quartz layer is coated uniformly on using coating die
Face, then quartzy layer surface is fixed on by ultraviolet light and forms stable protective layer, the inner coating connects with silica clad area
The coating state of contacting surface is closely agreed with.
A kind of class rectangle panda type polarization-preserving fiber, the inner coating is in 23 DEG C of stretch modulus TS4 ∈ under room temperature
[0.2Mpa, 1.2Mpa], in 23 DEG C of modulus of shearing SM4 ∈ [0.4Mpa, 1.6Mpa] under room temperature, inner coating exists inner coating
23 DEG C of coefficient of elongation E4 ∈ [60%, 180%] under room temperature.
A kind of class rectangle panda type polarization-preserving fiber, the internally coated material property design need to ensure panda protecting polarized light fiber
The stabilization of temperature characterisitic in the temperature deformation of the material component of coating and temperature modulus properties need to preferably with proportioning change
Into, glass transition temperature Tg1004 ∈ [- 40 DEG C, -60 DEG C] of the inner coating under the conditions of 100Mpa modulus values, inner coating
Glass transition temperature Tg10004 ∈ [- 50 DEG C, -70 DEG C] under the conditions of 1000Mpa modulus values.
A kind of class rectangle panda type polarization-preserving fiber, the external coating are designed using the geometry of class rectangle, optimize polarization-maintaining
The technique of optical fiber winding is realized；The external coating is pressed by the design of special optic fibre wire drawing class rectangle mold in optical fiber outermost layer
The geometry painting of design is covered with external coating, after ultraviolet light solidifying and setting, forms the bear of class rectangle appearance geometry design
Cat polarization maintaining optical fibre product.
A kind of class rectangle panda type polarization-preserving fiber, the short axle of the class rectangle external coating can be with the stress of panda protecting polarized light fiber
Axis is parallel or vertical two kinds are designed.
A kind of class rectangle panda type polarization-preserving fiber, the quadrangle of the external coating employ fillet design, the external coating
Radius of corner R5 ∈ [3 μm, 8 μm].
A kind of class rectangle panda type polarization-preserving fiber, glassy transition of the external coating under the conditions of 1000Mpa modulus values
Temperature Tg10005 ∈ [40 DEG C, 60 DEG C], external coating 23 DEG C under room temperature modulus of shearing SM5 ∈ [1000Mpa,
1600Mpa]。
Compared with prior art, the beneficial effects of the invention are as follows：
1st, external coating takes the not rounded symmetric geometry design of class rectangle, disclosure satisfy that gyro sensing unit optical fiber loop
The promotion of the optical fiber coiling operation ease of quadrupole winding, normalization and efficiency, while in the process of panda protecting polarized light fiber coiling
In, the interference of galvanomagnetic-effect caused by optic fibre turning can be eliminated, is had greatly improved to the symmetry of optical fiber loop；
2nd, the external coating rectangle quadrangle of class rectangle panda protecting polarized light fiber uses fillet design, and fillet design can be to avoid applying outside
During layer coating, when optical fiber passes through external coating coating die, abraded by the mold at rectangle right angle；Simultaneously in subsequent coiling
In the process, optical fiber rectangle right-angle design is also avoided optical fiber surface to be caused to scratch；
3rd, carry out that performance is excellent matches to the top layer material of class rectangle panda protecting polarized light fiber, to the glassy transition temperature of top layer material
The parameters such as degree and modulus of shearing optimize, and can ensure the intensity sizing of class rectangle structure, while optimize under class rectangle structure
The temperature stability of external coating will not introduce additional thermal stress effect due to the design of unsymmetric structure.
4th, since external coating employs the asymmetric geometry design of class rectangle, internally coated design has been carried out excellent
Change, carry out preferably improving with proportioning in the temperature deformation of the material component of coating and temperature modulus properties, improve inner coating
Temperature stability；Internally coated mechanical modulus characteristic is optimized simultaneously, buffers the external world for being conducted through to come from external coating
Thermal stress and mechanical stress, while inner coating and the coating state of silica clad contact surface use the design fitted closely, strengthen
Filling and protection to the micro-crack on silica clad surface.
5th, inner coating, silica clad, stressed zone, core area are using typical circle symmetrical structure design, convenient for external volume
The symmetrical release of outer thermal stress, and realize and dock application with other panda protecting polarized light fibers, meet device use demand.
The symmetrical polarization maintaining optical fibre sensing ring of dead cast quadrupole can be directly carried out using the polarization maintaining optical fibre finished product of the present invention
Development and production, avoid optical fiber in coiling stacking process misplace the deterioration for leading to Fibre Optical Sensor ring symmetry, optical fiber loop around
Stress is squeezed caused by edge jump processed is embedded, the optimization for reaching polarization maintaining optical fibre sensing ring parameter index is promoted；Pass through simultaneously
The design of material geometry and the design of component characteristic of the present invention, promotes the intrinsic temperature stability of optical fiber and thermal stress buffering
Characteristic improves environmental performance and mechanical performance after optical fiber loop is coiled into.
Description of the drawings
Fig. 1 is the radial end face overall structure schematic diagram of the present invention.
Fig. 2 is the anti-radial end face overall structure schematic diagram turning 90 degrees of stress axis of the present invention.
Fig. 3 is the fiber optic loop loop knot that the present invention carries out the symmetrical coiling aftershaping of quadrupole on polarization maintaining optical fibre ring coiling skeleton
Structure schematic diagram.
Fig. 4 be the present invention stress axis it is counter turn 90 degrees after carry out the symmetrical coiling aftershaping of quadrupole optical fiber loop structural representation
Figure.
Wherein：
Core area 101, stressed zone 102, clad region 103, inner coating 104, external coating 105.
Specific embodiment
Referring to a kind of Fig. 1-4 class rectangle panda type polarization-preserving fibers of the present invention, it includes core area 101, stressed zone
102, clad region 103, inner coating 104 and external coating 105.
The core area 101 is wrapped in panda protecting polarized light fiber female rod center, and 101 both sides of core area are symmetrical arranged that there are two should
Power area 102, the panda protecting polarized light fiber female rod remove the rest part of coring area 101 and stressed zone 102, are clad region 103,
Clad region 103 outer layer coating circular ring type inner coating 104, external coating 105 is wrapped in the outside of inner coating 104.
The core area 101 is doping silica core layers, carries out disymmetry punching in panda protecting polarized light fiber female rod, realizes panda type
Structure, the stress rods of design are inserted into female rod, it can be achieved that panda type polarization-preserving fiber stress type optical fiber structure design, it is described
The diameter D1 ∈ [3 μm, 7 μm] in core area 101.
The diameter D2 ∈ [D1 × 3, D1 × 6] of the stressed zone 102, the inset spacing D22 ∈ in Liang Ge stress symmetrics area 102
[D1 × 1.3, D1 × 3].
The clad region 103 is the pure quartz portions to undope, the diameter D3 ∈ [58 μm, 82 μm] of clad region 103.
The main function of the inner coating 104 is that the outer quartzy surface layer in silica clad area 103 is protected, and prevents fine fisssure
Line is in the generation on quartzy surface layer.The softer resin material of 104 generally use of inner coating, quartz is coated uniformly on using coating die
The surface of layer, then quartzy layer surface is fixed on by ultraviolet light and forms stable protective layer, inner coating 104 need buffering from
External coating 105 is conducted through the extraneous thermal stress and mechanical stress come, and prevents its performance to optical fiber from having an impact, while inner coating
104 closely agree with the coating state of 103 contact surface of silica clad area needs, strengthen the fine fisssure to 103 surface of silica clad area
The filling and protection of line.The diameter D4 ∈ [D3 × 1.2, D3 × 1.8] of the inner coating 104, inner coating 104 needs certain
Thickness, fully to be protected to silica clad area 103；Inner coating 104 is required to play ectonexine in the strength of materials simultaneously
The effect formed a connecting link, wherein in 23 DEG C of stretch modulus TS4 ∈ [0.2Mpa, 1.2Mpa] under room temperature, inner coating 104
In 23 DEG C of modulus of shearing SM4 ∈ [0.4Mpa, 1.6Mpa] under room temperature, inner coating 104 is in 23 DEG C of stretching under room temperature
Long coefficient E4 ∈ [60%, 180%].The material property design of inner coating 104 also needs to ensure the temperature characterisitic of panda protecting polarized light fiber
Stabilization, need to carry out in the temperature deformation of the material component of coating and temperature modulus properties preferably with proportioning improve, wherein
104 temperature characterisitic of inner coating of realization is：Glass transition temperature Tg1004 of the inner coating 104 under the conditions of 100Mpa modulus values
∈ [- 40 DEG C, -60 DEG C], glass transition temperature Tg10004 ∈ [- 50 of the inner coating 104 under the conditions of 1000Mpa modulus values
DEG C, -70 DEG C].
The main function of the external coating 105 is to generate separation layer together between inner coating 104 and extraneous application environment,
Isolation it is extraneous due to construct, store, squeeze, trample, collide etc. caused by internally coated stress damage, external coating 105 is adopted
Design of material is mainly harder resin material, is unlikely to deform, and is designed using the geometry of class rectangle, optimizes polarization-maintaining
The technique of optical fiber winding is realized.The external coating 105 is by the design of special optic fibre wire drawing class rectangle mold, in optical fiber outermost layer
External coating 105 is covered with by the geometry painting of design, after ultraviolet light solidifying and setting, forms the design of class rectangle appearance geometry
Panda protecting polarized light fiber product.The wide W5 ∈ [D3 × 1.6, D3 × 2.1] of the external coating 105, the long L5 ∈ of external coating 105
[D3 × 1.8, D3 × 2.4].The panda protecting polarized light fiber of the external coating design of class rectangle geometry can realize 4 poles and 8 extremely right
The dislocation-free of ring winding is claimed to stack coiling, while panda protecting polarized light fiber possible caused torsion etc. in winding process can be avoided
Degradation phenomena promotes the coiling polarization maintaining optical fibre sensing symmetry of ring and temperature stress stability.Class rectangle external coating 105 it is short
Axis can be parallel with the stress axis of panda protecting polarized light fiber or vertical two kinds are designed.
The quadrangle of the external coating 105 employs fillet design, and fillet design can be to avoid coating in outer coating 105
In the process, it when optical fiber passes through 105 coating die of external coating, is abraded by the mold at rectangle right angle；Simultaneously in subsequent winding process
In, optical fiber rectangle right-angle design is also avoided optical fiber surface to be caused to scratch, the operation of optimization optical fiber in the production and use process
Property.The radius of corner R5 ∈ [3 μm, 8 μm] of the external coating 105.In the selection of the top layer material of class rectangle design, use
The larger resin material of modulus is retentively more stablized so as to the shape of class rectangle, can more shape during formed in mould,
Also the asymmetrical junction of class rectangle can be avoided to be configured to the generation of thermal stress simultaneously, lead to application of the asymmetric stresses to optical fiber.
Glass transition temperature Tg10005 ∈ [40 DEG C, 60 DEG C] of the external coating 105 under the conditions of 1000Mpa modulus values, external coating
105 in 23 DEG C of modulus of shearing SM5 ∈ [1000Mpa, 1600Mpa] under room temperature.
A kind of class rectangle panda protecting polarized light fiber of the present invention, by the intensity of inside and outside coating material, modulus, temperature, stretching,
The proportion design of the characteristics such as expansion, under conditions of realizing the design of external coating class rectangle, the optical characteristics and ring of panda protecting polarized light fiber
Border characteristic can be maintained.
Embodiment 1：
The diameter D3 in pure silica cladding area 103 is 80.2 μm, and the wide W5 of external coating 105 is 134 μm, and the long L5 of external coating 105 is
176 μm, the radius of corner R5 of external coating 105 is 4.1 μm, glassy transition of the external coating 105 under the conditions of 1000Mpa modulus values
Temperature Tg10005 is 56 DEG C, and external coating 105 is 1300Mpa in 23 DEG C of modulus of shearing SM5 under room temperature；Inner coating 104
Diameter D4 is 122 μm, and inner coating 104 is 0.8Mpa in 23 DEG C of stretch modulus TS4 under room temperature, and inner coating 104 is at 23 DEG C
Modulus of shearing SM4 under room temperature is 1.3Mpa, and inner coating 104 is 112% in 23 DEG C of coefficient of elongation E4 under room temperature,
Glass transition temperature Tg1004 of the inner coating 104 under the conditions of 100Mpa modulus values is -48 DEG C, and inner coating 104 is in 1000Mpa
Glass transition temperature Tg10004 under the conditions of modulus value is -56 DEG C；The diameter D1 in core area 101 is 5.2 μm, stressed zone 102
Diameter D2 is 22 μm, and the inset spacing D22 in Liang Ge stress symmetrics area 102 is 9.4 μm.
Using more than design structure parameter and preparation process, double stress rods symmetric doubles is coordinated to insert, the stress that wire drawing is prepared
Type polarization maintaining optical fibre is a kind of structure of class rectangle panda type polarization-preserving fiber, and the main performance realized is：Polarization crosstalk, clap it is long,
Loss etc.；Optical fiber is subjected to 4 extremely symmetrical coilings simultaneously, is coiled into sensing polarization maintaining optical fibre ring, assesses the crosstalk zero bias performance of ring.
Parameter is as follows：
The polarization crosstalk of optical fiber（@1550nm, dB, 1km）：-29.6；
The bat of optical fiber is grown（@1550nm, mm）：2.61；
The loss of optical fiber（@1550nm, dB/km）：0.315；
Crosstalk zero bias after 800 meters of optical fiber windings（@1550nm, °/h）：0.58；
Embodiment 2~6：
Using 1 described preparation process of embodiment and technological process, by changing pure silica cladding diameter, stressed zone designs,
The structure design of the functional areas such as inner coating geometry and intensive parameter design, external coating geometry and intensive parameter design, is made such as
The panda type polarization-preserving fiber fiber products of lower 5 kinds of embodiments, design structure and the wire drawing realized and optical fiber property parameter are as follows
Described in table 1：
Table 1：
| Optical fiber parameter | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| D3（μm） | 79.1 | 80.6 | 60.4 | 59.3 | 60.6 |
| D1（μm） | 6.1 | 6.4 | 5.6 | 5.9 | 6.2 |
| D2（μm） | 23 | 26 | 18 | 17 | 19 |
| D22（μm） | 9.1 | 8.9 | 7.5 | 7.7 | 8.1 |
| D4（μm） | 112 | 108 | 102 | 106 | 111 |
| W5（μm） | 147 | 128 | 115 | 117 | 121 |
| L5（μm） | 184 | 168 | 126 | 132 | 138 |
| R5（μm） | 5.2 | 7.3 | 3.4 | 4.2 | 4.6 |
| Tg1004（℃） | -46 | -52 | -46 | -48 | -50 |
| Tg10004（℃） | -62 | -66 | -64 | -59 | -68 |
| TS4（Mpa） | 0.62 | 0.83 | 0.66 | 0.78 | 0.88 |
| SM4（Mpa） | 1.18 | 1.22 | 1.28 | 1.36 | 1.38 |
| E4（%） | 106 | 120 | 88 | 92 | 132 |
| Tg10005（℃） | 49 | 58 | 59 | 55 | 48 |
| SM5（Mpa） | 1200 | 1400 | 1100 | 1380 | 1460 |
| The polarization crosstalk of optical fiber（@1550nm, dB, 1km） | -28.8 | -28.6 | -27.8 | -27.6 | -28.2 |
| The bat of optical fiber is grown（@1550nm, mm） | 2.56 | 2.48 | 2.58 | 2.62 | 2.49 |
| The loss of optical fiber（@1550nm, dB/km） | 0.334 | 0.342 | 0.343 | 0.335 | 0.328 |
| Crosstalk zero bias after 800 meters of optical fiber windings（@1550nm, °/h） | 0.62 | 0.59 | 0.61 | 0.58 | 0.59 |
Table 1 is embodiment 2~6, and five different pure silica cladding diameters, stressed zone design, inner coating geometry and intensive parameter are set
The class rectangle panda type polarization-preserving fiber of the present invention production of the structure designs of functional areas such as meter, external coating geometry and intensive parameter design
Product.The result shows that at the 1550nm wavelength of 5 optical fiber the performance parameters of the polarization crosstalk of 1km length all reached -27.6dB with
Under, the long performance parameters of bat at 1550nm wavelength all reached 2.62mm hereinafter, loss at 1550nm wavelength it is parametric
Can 0.343dB/km all be reached hereinafter, carrying out 4 extremely symmetrical sensings using the fiber products that above-mentioned different structure designs are prepared
The coiling of polarization maintaining optical fibre ring, the sensing ring for 800 meters of length that opposing connection is made carry out the test assessment of sensing capabilities, 1550nm
The performance parameters of crosstalk zero bias at wavelength have all reached 0.62 °/h hereinafter, having reached the property of middle and high precision optical fiber sensing ring
It can index.
It the above is only the concrete application example of the present invention, protection scope of the present invention be not limited in any way.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (8)
1. a kind of class rectangle panda type polarization-preserving fiber, it includes core area（101）, stressed zone（102）, clad region（103）, feature
It is：The clad region（103）Outer layer coats circular ring type inner coating（104）, in inner coating（104）Outer layer coats external coating
（105）；The core area（101）To adulterate silica core layers, core area（101）Diameter D1 ∈ [3 μm, 7 μm]；The stressed zone
（102）Diameter D2 ∈ [D1 × 3, D1 × 6], Liang Ge stress symmetrics area（102）Inset spacing D22 ∈ [D1 × 1.3, D1 × 3]；
The clad region（103）For the pure quartz portions to undope, clad region（103）Diameter D3 ∈ [58 μm, 82 μm], the interior painting
Layer（104）Diameter D4 ∈ [D3 × 1.2, D3 × 1.8], the external coating（105）Wide W5 ∈ [D3 × 1.6, D3 × 2.1], outside
Coating（105）Long L5 ∈ [D3 × 1.8, D3 × 2.4].
2. class rectangle panda type polarization-preserving fiber according to claim 1, it is characterised in that：The inner coating（104）To make
The surface of quartz layer is coated uniformly on coating die, then quartzy layer surface is fixed on by ultraviolet light and forms stable guarantor
Sheath, the inner coating（104）With silica clad area（103）The coating state of contact surface is closely agreed with.
3. class rectangle panda type polarization-preserving fiber according to claim 1, it is characterised in that：The inner coating（104）23
Stretch modulus TS4 ∈ [0.2Mpa, 1.2Mpa] DEG C under room temperature, inner coating（104）In 23 DEG C of shearings under room temperature
Modulus SM4 ∈ [0.4Mpa, 1.6Mpa], inner coating（104）In 23 DEG C of coefficient of elongation E4 ∈ [60%, 180%] under room temperature.
4. class rectangle panda type polarization-preserving fiber according to claim 1, it is characterised in that：The inner coating（104）
Glass transition temperature Tg1004 ∈ [- 40 DEG C, -60 DEG C] under the conditions of 100Mpa modulus values, inner coating（104）In 1000Mpa
Glass transition temperature Tg10004 ∈ [- 50 DEG C, -70 DEG C] under the conditions of modulus value.
5. class rectangle panda type polarization-preserving fiber according to claim 1, it is characterised in that：The external coating（105）Pass through
The design of special optic fibre wire drawing class rectangle mold is covered with external coating in optical fiber outermost layer by the geometry painting of design（105）, warp
After ultraviolet light solidifying and setting, the panda protecting polarized light fiber product of class rectangle appearance geometry design is formed.
6. class rectangle panda type polarization-preserving fiber according to claim 1, it is characterised in that：The class rectangle external coating
（105）Short axle can be parallel or vertical with the stress axis of panda protecting polarized light fiber.
7. class rectangle panda type polarization-preserving fiber according to claim 1, it is characterised in that：The external coating（105）Four
Angle employs fillet design, the external coating（105）Radius of corner R5 ∈ [3 μm, 8 μm].
8. class rectangle panda type polarization-preserving fiber according to claim 1, it is characterised in that：The external coating（105）
Glass transition temperature Tg10005 ∈ [40 DEG C, 60 DEG C] under the conditions of 1000Mpa modulus values, external coating（105）In 23 DEG C of room temperatures
Under the conditions of modulus of shearing SM5 ∈ [1000Mpa, 1600Mpa].
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116466A (en) * | 2018-08-24 | 2019-01-01 | 长飞光纤光缆股份有限公司 | A kind of thin footpath small-bend radius single mode optical fiber |
| CN111505762A (en) * | 2020-05-24 | 2020-08-07 | 武汉库克光电技术有限公司 | High-precision polarization maintaining optical fiber and preparation method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950047A (en) * | 1989-06-05 | 1990-08-21 | Corning Incorporated | Method of coating optical fibers |
| CN2212210Y (en) * | 1995-02-22 | 1995-11-08 | 电子工业部第二十三研究所 | Rectangular like polarization holding optical fiber |
| CN1632629A (en) * | 2004-12-29 | 2005-06-29 | 江苏法尔胜光子有限公司 | I shaped polarization maintaining optical fiber and producing method thereof |
| CN102147494A (en) * | 2010-02-04 | 2011-08-10 | Ofs飞泰尔有限责任公司 | Optical fiber coatings for reducing microbend losses |
| CN102213791A (en) * | 2011-07-12 | 2011-10-12 | 武汉长盈通光电技术有限公司 | Panda small-diameter polarization-maintaining optical fiber |
| CN102213790A (en) * | 2011-07-05 | 2011-10-12 | 武汉长盈通光电技术有限公司 | Panda type polarization maintaining fiber which convenient to wind and manufacturing method thereof |
| CN103472531A (en) * | 2013-09-25 | 2013-12-25 | 长飞光纤光缆有限公司 | Low-attenuation high temperature resistance optical fiber |
| JP2014201489A (en) * | 2013-04-05 | 2014-10-27 | 古河電気工業株式会社 | Overcoat core wire and optical fiber cable provided with overcoat core wire |
| CN104849801A (en) * | 2015-03-19 | 2015-08-19 | 姚小兵 | Double-core polarization maintaining fiber facilitating winding |
| CN205229511U (en) * | 2015-11-10 | 2016-05-11 | 江苏法尔胜光电科技有限公司 | Stress focus counter shaft type panda polarization maintaining fiber |
| CN106199827A (en) * | 2016-07-27 | 2016-12-07 | 武汉长盈通光电技术有限公司 | A kind of oval core panda type polarization-preserving fiber and preparation method thereof |
| CN207992500U (en) * | 2018-02-26 | 2018-10-19 | 江苏法尔胜光电科技有限公司 | Class rectangle panda type polarization-preserving fiber |
-
2018
- 2018-02-26 CN CN201810159238.7A patent/CN108169845A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4950047A (en) * | 1989-06-05 | 1990-08-21 | Corning Incorporated | Method of coating optical fibers |
| CN2212210Y (en) * | 1995-02-22 | 1995-11-08 | 电子工业部第二十三研究所 | Rectangular like polarization holding optical fiber |
| CN1632629A (en) * | 2004-12-29 | 2005-06-29 | 江苏法尔胜光子有限公司 | I shaped polarization maintaining optical fiber and producing method thereof |
| CN102147494A (en) * | 2010-02-04 | 2011-08-10 | Ofs飞泰尔有限责任公司 | Optical fiber coatings for reducing microbend losses |
| CN102213790A (en) * | 2011-07-05 | 2011-10-12 | 武汉长盈通光电技术有限公司 | Panda type polarization maintaining fiber which convenient to wind and manufacturing method thereof |
| CN102213791A (en) * | 2011-07-12 | 2011-10-12 | 武汉长盈通光电技术有限公司 | Panda small-diameter polarization-maintaining optical fiber |
| JP2014201489A (en) * | 2013-04-05 | 2014-10-27 | 古河電気工業株式会社 | Overcoat core wire and optical fiber cable provided with overcoat core wire |
| CN103472531A (en) * | 2013-09-25 | 2013-12-25 | 长飞光纤光缆有限公司 | Low-attenuation high temperature resistance optical fiber |
| CN104849801A (en) * | 2015-03-19 | 2015-08-19 | 姚小兵 | Double-core polarization maintaining fiber facilitating winding |
| CN205229511U (en) * | 2015-11-10 | 2016-05-11 | 江苏法尔胜光电科技有限公司 | Stress focus counter shaft type panda polarization maintaining fiber |
| CN106199827A (en) * | 2016-07-27 | 2016-12-07 | 武汉长盈通光电技术有限公司 | A kind of oval core panda type polarization-preserving fiber and preparation method thereof |
| CN207992500U (en) * | 2018-02-26 | 2018-10-19 | 江苏法尔胜光电科技有限公司 | Class rectangle panda type polarization-preserving fiber |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116466A (en) * | 2018-08-24 | 2019-01-01 | 长飞光纤光缆股份有限公司 | A kind of thin footpath small-bend radius single mode optical fiber |
| CN111505762A (en) * | 2020-05-24 | 2020-08-07 | 武汉库克光电技术有限公司 | High-precision polarization maintaining optical fiber and preparation method thereof |
| CN111505762B (en) * | 2020-05-24 | 2022-06-21 | 武汉库克光电技术有限公司 | High-precision polarization maintaining optical fiber and preparation method thereof |
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