CN112285839A - Multi-path coupler with TAP (test access port) end and processing method thereof - Google Patents
Multi-path coupler with TAP (test access port) end and processing method thereof Download PDFInfo
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2852—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)
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Abstract
The invention discloses a multi-path coupler with a TAP end, which comprises an input optical fiber, an output optical fiber and a stainless steel tube between the input optical fiber and the output optical fiber, wherein the output optical fiber is a multi-path output optical fiber, and one path of the output optical fiber is the TAP end; two ends of the stainless steel pipe are fixed through steel pipe packaging glue; a base plate is arranged in the middle of the stainless steel pipe; the diameter of the substrate is smaller than that of the stainless steel pipe, and the length of the substrate is shorter than that of the stainless steel pipe; and the two ends of the substrate are fixed through the arranged substrate packaging glue. The processing method of the multi-path coupler comprises the steps of primary tapering, primary packaging, secondary packaging, terminal processing and tertiary packaging of the multi-path optical fiber, and the produced optical fiber is wide in application range, low in optical fiber loss and small in size.
Description
Technical Field
The invention belongs to the field of optical fiber coupler processing, and particularly relates to a multi-path coupler with a TAP end and a processing method thereof.
Background
An optical fiber coupler, also called a splitter, is an element for realizing optical signal splitting/combining or for extending an optical fiber link, belongs to the field of optical passive elements, and is applied to telecommunication networks, cable television networks, subscriber loop systems and local area networks.
At present, most TAP type optical fiber couplers are in a 1-branch-2-path mode, one path of an output end is high-power signal light serving as a main signal output end, and the other path of the output end is low-power signal light serving as a TAP end (monitoring end) for monitoring main path signals.
However, in practical applications, the main signal output end is not only a port, and in this case, performing a monitoring on each output end will result in an over-power of the overall monitoring end and a loss of energy at the signal end, and further make the system more complex. The better solution is a way that multiple signals are monitored all the way, and most of the situations are modularized packaging structures, but the size is larger, the occupied space is more, and the development trend of a miniaturized structure is not facilitated.
Disclosure of Invention
The invention provides a multi-path coupler with TAP (test access port) end and a processing method thereof, and the equipment can solve the problems in the prior art and reduce the size of an optical fiber steel pipe with the TAP end.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-path coupler with a TAP end comprises an input optical fiber, an output optical fiber and a stainless steel tube between the input optical fiber and the output optical fiber, wherein the output optical fiber is a multi-path output optical fiber, and one path of the output optical fiber is the TAP end; two ends of the stainless steel pipe are fixed through steel pipe packaging glue; a base plate is arranged in the middle of the stainless steel pipe; the diameter of the substrate is smaller than that of the stainless steel pipe, and the length of the substrate is shorter than that of the stainless steel pipe; and the two ends of the substrate are fixed through the arranged substrate packaging glue.
Preferably, a circular tube is arranged between the stainless steel tube and the substrate; the length of the circular tube is greater than that of the substrate and less than that of the stainless steel tube; and two ends of the round pipe are fixed through round pipe packaging glue.
Preferably, the steel pipe packaging adhesive is silica gel.
Preferably, the circular tube is made of quartz.
Preferably, the substrate is quartz.
A processing method of a multi-path coupler with TAP (test access port) ends comprises the following steps:
once tapering for multi-path optical fiber
② one packaging
③ two-pass encapsulation
Fourthly, terminal processing
Fifthly, three packaging
Preferably, the multi-path optical fiber primary tapering comprises the following operation steps performed by using a tapering machine:
firstly, placing a plurality of paths of optical fibers on a tapering fixture, clicking a pretension key, pre-tapering the flame head to a tapering position, performing pre-tapering operation according to the hydrogen flow 93SCCM, the oxygen flow 13SCCM, the movement length of the flame head 1.5mm and a delay set value of 7S, and stopping after reaching the delay set value;
secondly, according to the hydrogen flow 93SCCM, the oxygen flow 13SCCM, the movement speed of a fire head is 50mm/min, the movement length of the fire head is 3mm, the movement speed of a clamp is 1.5mm/min, the preset tapering length is 0.24mm, the operation is carried out at the light splitting ratio of 25% after the preset period is finished, and the operation is stopped after the preset tapering length is reached;
resetting the fire head, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 15SCCM and the delay setting value of 2S, and stopping after reaching the delay setting value;
clicking a tapering key, operating the flare head at a tapering position according to the hydrogen flow 118SCCM, the oxygen flow 22SCCM, the flare head movement length 4mm and the delay setting value 5S, and stopping after reaching the delay setting value;
fifthly, operating according to the hydrogen flow of 115SCCM, the oxygen flow of 22SCCM, the movement speed of a flame head of 50mm/min, the movement length of the flame head of 4.8mm, the movement speed of a clamp of 2.8mm/min and the preset length of a tapering cone of 5mm, and stopping after the preset length of the tapering cone is reached;
sixthly, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 10SCCM and the delay setting value of 3S, and stopping after reaching the delay setting value;
seventhly, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 10SCCM, the movement speed of a fire head of 30mm/min, the movement length of the fire head of 5.1mm and the movement speed of a clamp of 3mm/min, and clicking a stop key after the operation is finished;
eighthly, the fire head is out of position, the operation is carried out according to the hydrogen flow rate of 95SCCM, the oxygen flow rate of 5SCCM, the fire head movement speed of 20mm/min, the fire head movement length of 3mm, the fixture movement speed of 2mm/min and the time delay setting value of 2S, and the operation is stopped after the time delay setting value is reached;
ninthly, clicking a reduction key, returning the clamp to the original position, operating according to the hydrogen flow of 90SCCM, the oxygen flow of 10SCCM, the fire head movement speed of 10mm/min, the clamp movement speed of 2mm/min, the initial splitting ratio of 25% in the preset period and the ending splitting ratio of 25% in the preset period, and ending tapering after reaching the time delay set value.
Preferably, a step of cleaning materials is further included before the primary tapering of the multi-path optical fiber.
Preferably, a detection step is further included between the terminal processing and the three-channel packaging.
Preferably, the three steps of packaging further comprise temperature cycle aging, testing and screening, quality inspection and packaging and warehousing.
Compared with the prior art, the invention has the beneficial effects that:
1. the optical fibers of various application environments are selected, the application range is wider, and the multi-path coupler with the TAP end is manufactured by the corresponding optical fibers in the environments of network transmission, underwater communication, irradiation and the like;
2. the multi-path is melted and pulled once, and an output structure with a TAP end is directly arranged, and the structure is formed once, so that the waste of the whole power is avoided, and the risk and the loss of increasing a welding point in the traditional implementation method are reduced;
3. the multi-path (with TAP end) integrated steel pipe packaging structure does not need to adopt a box body packaging structure mode, and directly adopts stainless steel pipe packaging, so that the packaging size is greatly reduced relative to the box body, and the packaging structure can be more suitable for the trend of a miniaturized structure.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or technical solutions in related arts, the drawings used in the description of the embodiments or related arts will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a multicoupler of the present invention;
FIG. 2 is an overall view of the multicoupler of the present invention;
FIG. 3 is an overall prior art diagram of the present invention;
in the figure: 1. input optical fiber, 2, output optical fiber, 3, TAP terminal, 4, stainless steel tube, 5, steel tube packaging glue, 6, round tube, 7, round tube packaging glue, 8, substrate, 9 and substrate packaging glue.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Referring to fig. 1-3, the present invention provides a technical solution: a multi-path coupler with TAP ends comprises an input optical fiber 1, an output optical fiber 2 and a stainless steel tube 4 between the input optical fiber and the output optical fiber, wherein the output optical fiber 2 is a multi-path output optical fiber, and one path is a TAP end 3; two ends of the stainless steel tube 4 are fixed through steel tube packaging glue 5; a substrate 8 is arranged in the middle of the stainless steel tube 4; the diameter of the substrate 8 is smaller than that of the stainless steel tube 4, and the length of the substrate 8 is shorter than that of the stainless steel tube 4; and two ends of the substrate 8 are fixed through the arranged substrate packaging glue 9. A circular tube 6 is arranged between the stainless steel tube 4 and the substrate 8; the length of the circular tube 6 is greater than that of the substrate 8 and less than that of the stainless steel tube 4; and two ends of the circular tube 6 are fixed through circular tube packaging glue 7. The steel pipe packaging adhesive 5 is silica gel. The circular tube 6 is made of quartz. The substrate 8 is quartz.
Manufacturing a multi-path coupler with a TAP terminal: first, optical fibers of various types are selected, and the application environments and wavelengths of the optical fibers of different types are different. Firstly, selecting corresponding light sources and optical fibers according to different application wavelengths, and designing corresponding optical fiber tapering clamps according to different optical fiber core diameters for primary fusion tapering of a plurality of optical fibers; secondly, a hydrogen-oxygen mixed high-temperature fire head is adopted to melt and draw a plurality of optical fibers at one time, the corresponding tapering parameters and steps of each optical fiber are different, compared with the manufacture of a conventional multi-path coupler, the loss of redundant tail fibers is avoided, especially the coupler with a TAP end output structure has little loss when unavoidable tapering is removed, no redundant energy loss is caused, and the total output power is theoretically close to the total input power. The integral cone drawing parameter steps of the cone drawing machine are increased by 4-5 steps compared with the conventional drawing parameter steps, and the hydrogen and oxygen flow and the cone drawing speed in each time period are controlled more finely. Thirdly, the whole size of the tapering of the multi-path optical fiber (with TAP end) is far smaller than that of the box, so that the stainless steel tube is directly adopted for packaging during packaging, the structure is small, no link energy loss is caused by welding points, and the tapering device is suitable for installation and maintenance in various equipment system structures.
The processing method of the multi-path coupler with the TAP terminal comprises the following processing steps:
1. cleaning material
And (3) immersing the stainless steel tube, the round tube and the substrate in a cleaning solution with the alcohol ratio of 4:1, putting the container filled with the materials to be cleaned and the cleaning solution into an ultrasonic cleaning machine for cleaning, and finishing the cleaning after 30-45 minutes. Taking out the stainless steel tube, the round tube and the substrate, standing for 2 hours, blow-drying the solution, observing the cleaning effect under a microscope or a magnifier, and putting the solution into a material bag for later use.
2. One-time taper for multi-path optical fiber
And opening the tapering machine, a hydrogen and oxygen switch and a vacuum pump, calibrating the optical power of the tapering machine, inserting the cut bare fiber adapter into a standard optical power meter for measurement by a method of cutting optical fibers for multiple times, and respectively calibrating the wavelengths required by processing until the optical power is maximum and the source power is more than or equal to 10 uW. Selecting a 1550nm wavelength inspection adapter, stripping a bare fiber with the tail end of a main fiber about 20-30mm, cleaning, penetrating the bare fiber into the bare fiber adapter, cutting, and inserting into a tapering machine. The optical fiber was wiped and subjected to a bending inspection. After the curvature inspection is finished, adjusting the position of the optical fiber, and setting a tapering machine to taper according to the preset steps: firstly, placing a plurality of paths of optical fibers on a tapering fixture, clicking a pretension key, pre-tapering the flame head to a tapering position, performing pre-tapering operation according to the hydrogen flow 93SCCM, the oxygen flow 13SCCM, the movement length of the flame head 1.5mm and a delay set value of 7S, and stopping after reaching the delay set value; secondly, according to the hydrogen flow 93SCCM, the oxygen flow 13SCCM, the movement speed of a fire head is 50mm/min, the movement length of the fire head is 3mm, the movement speed of a clamp is 1.5mm/min, the preset tapering length is 0.24mm, the operation is carried out at the light splitting ratio of 25% after the preset period is finished, and the operation is stopped after the preset tapering length is reached; resetting the fire head, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 15SCCM and the delay setting value of 2S, and stopping after reaching the delay setting value; clicking a tapering key, operating the flare head at a tapering position according to the hydrogen flow 118SCCM, the oxygen flow 22SCCM, the flare head movement length 4mm and the delay setting value 5S, and stopping after reaching the delay setting value; fifthly, operating according to the hydrogen flow of 115SCCM, the oxygen flow of 22SCCM, the movement speed of a flame head of 50mm/min, the movement length of the flame head of 4.8mm, the movement speed of a clamp of 2.8mm/min and the preset length of a tapering cone of 5mm, and stopping after the preset length of the tapering cone is reached; sixthly, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 10SCCM and the delay setting value of 3S, and stopping after reaching the delay setting value; seventhly, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 10SCCM, the movement speed of a fire head of 30mm/min, the movement length of the fire head of 5.1mm and the movement speed of a clamp of 3mm/min, and clicking a stop key after the operation is finished; eighthly, the fire head is out of position, the operation is carried out according to the hydrogen flow rate of 95SCCM, the oxygen flow rate of 5SCCM, the fire head movement speed of 20mm/min, the fire head movement length of 3mm, the fixture movement speed of 2mm/min and the time delay setting value of 2S, and the operation is stopped after the time delay setting value is reached; ninthly, clicking a reduction key, returning the clamp to the original position, operating according to the hydrogen flow of 90SCCM, the oxygen flow of 10SCCM, the fire head movement speed of 10mm/min, the clamp movement speed of 2mm/min, the initial splitting ratio of 25% in the preset period and the ending splitting ratio of 25% in the preset period, and ending tapering after reaching the time delay set value.
3. One-pass package
And (4) correcting the temperature of the packaging table, and determining that the measured temperature is qualified at 115 +/-5 ℃. And (3) putting the substrate into a coupling agent for secondary cleaning, drying the residual liquid, and then carrying out a packaging operation to enable the optical fiber fused cone part to be positioned right inside the quartz substrate groove, and checking whether the tapered part is positioned at the central part of the quartz substrate groove, if not, adjusting a packaging table. And when the actual temperature reaches the set value, taking a small amount of packaging glue by using a small needle or a toothpick, and pointing the packaging glue at the edges of the two ends of the substrate. And marking the color of the tail optical fiber, marking the input end with black or red, marking the output end with blue, cutting off the redundant main optical fiber, wiping the optical fiber, penetrating the optical fiber into a circular tube until the optical fiber is sleeved into the substrate, and waiting for entering the next step.
4. Two-channel package
Opening a packaging table, preheating and correcting the temperature range, wherein the temperature of an 85 ℃ heating table is 85 +/-3 ℃, the temperature of a 100 ℃ glue injection table is 100 +/-5 ℃, checking optical fibers which are packaged together and then penetrate into a round tube, firstly, dispensing bottom glue, pulling out a substrate (1-2 mm in the round tube), lightly coating a proper amount of bottom glue on the bottom of the substrate outside the round tube, pulling the round tube away to the middle part of the substrate, lightly pulling the optical fibers to enable the substrate to retreat and advance by 2-3 mm so as to ensure that the bottom of the substrate is glued, finally, centering the substrate, then injecting the round tube packaging glue into two ends of the round tube, placing the packaged product in an oven at 85 +/-2 ℃ for baking for 30 minutes
5. Terminal processing
And opening a ball burning machine and calibrating, fixing the two packaged optical fibers, cutting off redundant optical fibers, carrying out ball burning operation on the optical fibers, dispensing glue on the ball body after ball burning to enable the ball body to be wrapped, baking the adapter in an oven at 100 +/-3 ℃ for 2 hours, taking out and cooling, and carrying out system return loss test.
6. Middle inspection
And (4) carrying out semi-finished product test on the optical fiber adapter, wherein RL/DL is required to be more than or equal to index +5dB internal control (SM).
7. Three-channel package
And (3) penetrating the semi-finished product after the middle inspection into a stainless steel pipe, injecting steel pipe packaging glue into two ends of the stainless steel pipe by using a needle cylinder, and selecting three proper packaging molds (which are required to be cleaned). The glass tube is slightly pulled away from the steel tube, the outer wall of the glass tube is uniformly coated from the input end to the output end, glue is continuously filled into the steel tube from the top by using a glue filling process (no gap exists in the middle, and the glue is exposed out of the upper port surface of the steel tube as far as possible so as to avoid air glue and bubble generation), glue adding is stopped when all products are seen from the lower port and the lower end of the steel tube opening is tapped with glue flow, and the glue flow at the upper port is empty to the distance of about 1-2 mm from the tube opening (the flowed glue needs to be timely wiped off). Excess glue flowing down the output end of the product is removed by a glue removing bar, and the product is horizontally placed in a steel plate and is baked in an oven at 85 +/-3 ℃ for 45 minutes (+/-5 minutes). Putting the product into a vacuum drying oven, vacuumizing and keeping for 5-10 minutes, and taking out the product. The product is vertically placed into an oven at 85 plus or minus 3 ℃ for baking for 30 minutes.
8. Aging by temperature cycling
And (3) placing the product in a circulating box for a circulating test, wherein the product needs to be circulated in the circulating box at the temperature of minus 40 to plus 85 ℃ for 48 hours.
9. Test screening
Correcting the test light power, requiring the PDL of the system to be less than or equal to 0.03dB, testing the welding loss, requiring the maximum single welding loss to be not more than 0.05dB, carrying out PDL and IL tests on the product, testing the high-temperature and low-temperature characteristics of the coupler, and carrying out RL high-temperature and low-temperature tests. And then testing the return loss direction by using an SLED or ASE light source, wherein the system return loss requirement of the single-mode SMF-28e optical fiber is more than 67dB, and the system return loss requirement of the 980 optical fiber is more than 57 dB.
10. Quality inspection
And (4) carrying out quality inspection on the product, including operations of color marking inspection, cleaning and appearance inspection, fiber cutting, fiber winding and the like.
11. Packaging and warehousing
Putting the product into a blister box, covering a sponge cushion, putting into DATA SHEET, sticking a label of the blister box, inspecting the package completely, and putting into a warehouse.
Example (b):
the following lists a number of processable multi-path coupler fibers with TAP ends and their corresponding light source wavelengths:
| serial number | Light source | |
| 1 | 1310nm | SMF-28e ，CS1011b，SI1012A, |
| 2 | 1550 nm | SMF-28e ，Hi1060flex，CS1011b，SI1012A, |
| 3 | 980 nm | HI1060，Hi1060flex，OFS980-16 |
| 4 | 850 nm | 780-HP，CS850，CS780 |
Compared with the conventional multi-path coupler, the multi-path coupler with the TAP end processed by the optical fibers comprises the following components:
| serial number | Item comparison | The invention | Conventional |
| 1 | Size of | Phi 3.0 x 54mm round stainless steel tube package | 100 x 80 x 10mm ABS box package, even larger |
| 2 | Structure of the product | A plurality of optical fibers are melted and drawn at one time, the structure is compact and small, and the optical fiber is free of Welding point | Spliced by a plurality of 1-2 coupler units and internally provided with a plurality of welding joints
Point, |
| 3 | Performance of | Low intrinsic parasitic loss and polarization dependent loss Can be stabilized (the biggest characteristic is to obtain the original product Conversion of port light energy wasted in the process TAP terminal energy) | Each splicing unit is lossy, so are the welding points, the overall loss is large and the polarization dependent loss is large. TAP terminal light energy Branched from the signal end, resulting in the optical energy change of the signal end Is small. |
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A multi-path coupler with TAP (test access port) end comprises an input optical fiber (1), an output optical fiber (2) and a stainless steel tube (4) between the input optical fiber and the output optical fiber, and is characterized in that: the output optical fiber (2) is a multi-path output optical fiber, wherein one path is a TAP end (3); two ends of the stainless steel pipe (4) are fixed through steel pipe packaging glue (5); a base plate (8) is arranged in the middle of the stainless steel tube (4); the diameter of the substrate (8) is smaller than that of the stainless steel pipe (4), and the length of the substrate (8) is shorter than that of the stainless steel pipe (4); and two ends of the substrate (8) are fixed through the arranged substrate packaging glue (9).
2. The multi-path coupler with TAP terminals as claimed in claim 1, wherein: a round pipe (6) is arranged between the stainless steel pipe (4) and the substrate (8); the length of the round tube (6) is greater than that of the substrate (8) and less than that of the stainless steel tube (4); and two ends of the round pipe (6) are fixed through round pipe packaging glue (7).
3. The multi-path coupler with TAP terminals as claimed in claim 1, wherein: the steel pipe packaging glue (5) is silica gel.
4. The multi-path coupler with TAP terminals as claimed in claim 2, wherein: the round tube (6) is made of quartz.
5. The multi-path coupler with TAP terminals as claimed in claim 1, wherein: the substrate (8) is quartz.
6. A method for processing a multi-path coupler with TAP terminals as defined in any one of claims 1-5, wherein: the processing method comprises the following steps:
once tapering for multi-path optical fiber
② one packaging
③ two-pass encapsulation
Fourthly, terminal processing
And fifthly, packaging for three times.
7. The method of claim 6, wherein the TAP-terminated multi-coupler is manufactured by: the one-time tapering of the multi-path optical fiber comprises the following operation steps of:
firstly, placing a plurality of paths of optical fibers on a tapering fixture, clicking a pretension key, pre-tapering the flame head to a tapering position, performing pre-tapering operation according to the hydrogen flow 93SCCM, the oxygen flow 13SCCM, the movement length of the flame head 1.5mm and a delay set value of 7S, and stopping after reaching the delay set value;
secondly, according to the hydrogen flow 93SCCM, the oxygen flow 13SCCM, the movement speed of a fire head is 50mm/min, the movement length of the fire head is 3mm, the movement speed of a clamp is 1.5mm/min, the preset tapering length is 0.24mm, the operation is carried out at the light splitting ratio of 25% after the preset period is finished, and the operation is stopped after the preset tapering length is reached;
resetting the fire head, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 15SCCM and the delay setting value of 2S, and stopping after reaching the delay setting value;
clicking a tapering key, operating the flare head at a tapering position according to the hydrogen flow 118SCCM, the oxygen flow 22SCCM, the flare head movement length 4mm and the delay setting value 5S, and stopping after reaching the delay setting value;
fifthly, operating according to the hydrogen flow of 115SCCM, the oxygen flow of 22SCCM, the movement speed of a flame head of 50mm/min, the movement length of the flame head of 4.8mm, the movement speed of a clamp of 2.8mm/min and the preset length of a tapering cone of 5mm, and stopping after the preset length of the tapering cone is reached;
sixthly, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 10SCCM and the delay setting value of 3S, and stopping after reaching the delay setting value;
seventhly, operating according to the hydrogen flow of 100SCCM, the oxygen flow of 10SCCM, the movement speed of a fire head of 30mm/min, the movement length of the fire head of 5.1mm and the movement speed of a clamp of 3mm/min, and clicking a stop key after the operation is finished;
eighthly, the fire head is out of position, the operation is carried out according to the hydrogen flow rate of 95SCCM, the oxygen flow rate of 5SCCM, the fire head movement speed of 20mm/min, the fire head movement length of 3mm, the fixture movement speed of 2mm/min and the time delay setting value of 2S, and the operation is stopped after the time delay setting value is reached;
ninthly, clicking a reduction key, returning the clamp to the original position, operating according to the hydrogen flow of 90SCCM, the oxygen flow of 10SCCM, the fire head movement speed of 10mm/min, the clamp movement speed of 2mm/min, the initial splitting ratio of 25% in the preset period and the ending splitting ratio of 25% in the preset period, and ending tapering after reaching the time delay set value.
8. The method of claim 6, wherein the TAP-terminated multi-coupler is manufactured by: the method also comprises a step of cleaning materials before the primary tapering of the multi-path optical fiber.
9. The method of claim 6, wherein the TAP-terminated multi-coupler is manufactured by: and a detection and detection step is also included between the terminal processing and the three-channel packaging.
10. The method of claim 6, wherein the TAP-terminated multi-coupler is manufactured by: and after the three steps of packaging, the steps of temperature cycle aging, test screening, quality inspection and packaging and warehousing are also included.
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| CN202011373784.4A CN112285839A (en) | 2020-11-30 | 2020-11-30 | Multi-path coupler with TAP (test access port) end and processing method thereof |
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|---|---|---|---|---|
| JP2007322581A (en) * | 2006-05-31 | 2007-12-13 | Tatsuta Electric Wire & Cable Co Ltd | Optical fiber coupler |
| CN201293845Y (en) * | 2008-12-05 | 2009-08-19 | 深圳新飞通光电子技术有限公司 | 1*2 light power shunt coupler |
| CN104090338A (en) * | 2014-07-31 | 2014-10-08 | 光库通讯(珠海)有限公司 | Coupler and manufacturing method thereof |
| CN104238016A (en) * | 2014-05-19 | 2014-12-24 | 深圳朗光科技有限公司 | Optical fiber coupler, manufacturing method of optical fiber couplers and detection method for packaging efficacy losing of optical fiber couplers |
| CN214041802U (en) * | 2020-11-30 | 2021-08-24 | 山东锐峰光电科技有限公司 | Multi-path coupler with TAP (test access port) end |
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2020
- 2020-11-30 CN CN202011373784.4A patent/CN112285839A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007322581A (en) * | 2006-05-31 | 2007-12-13 | Tatsuta Electric Wire & Cable Co Ltd | Optical fiber coupler |
| CN201293845Y (en) * | 2008-12-05 | 2009-08-19 | 深圳新飞通光电子技术有限公司 | 1*2 light power shunt coupler |
| CN104238016A (en) * | 2014-05-19 | 2014-12-24 | 深圳朗光科技有限公司 | Optical fiber coupler, manufacturing method of optical fiber couplers and detection method for packaging efficacy losing of optical fiber couplers |
| CN104090338A (en) * | 2014-07-31 | 2014-10-08 | 光库通讯(珠海)有限公司 | Coupler and manufacturing method thereof |
| CN214041802U (en) * | 2020-11-30 | 2021-08-24 | 山东锐峰光电科技有限公司 | Multi-path coupler with TAP (test access port) end |
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