CN208459630U - The multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror - Google Patents
The multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror Download PDFInfo
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- CN208459630U CN208459630U CN201820768047.6U CN201820768047U CN208459630U CN 208459630 U CN208459630 U CN 208459630U CN 201820768047 U CN201820768047 U CN 201820768047U CN 208459630 U CN208459630 U CN 208459630U
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Abstract
The utility model belongs to technical field of optical fiber.Existing optical fiber prick-drawing device can make optical fiber the problem of uneven heating occur during drawing cone.For the problems of the prior art, the utility model discloses a kind of multi-angle optical fiber prick-drawing devices of carbon dioxide laser combination high-speed vibrating mirror, including the carbon dioxide laser for generating laser beam, laser scanning galvanometer, become the convex lens of collimated light beam for scanning galvanometer to be gone out the divergent beams projected, transflection is than the first transflection mirror for 2:1, for the transmitted light of the first transflection mirror to be totally reflected to the first total reflective mirror of the second transflection mirror, transflection is than the second transflection mirror for 1:1, for the transmitted light of the second transflection mirror to be totally reflected to the second total reflective mirror of third total reflective mirror, third total reflective mirror and for make optical fiber along axial tension stretching rotating device, first transflection mirror, the reflected light path of second transflection mirror and third total reflective mirror intersects at the axis of optical fiber.The utility model can improve the uniformity of optical fiber especially large-diameter fibre-optical heat absorption.
Description
Technical field
The utility model relates to a kind of optical fiber prick-drawing devices, and in particular to a kind of carbon dioxide laser combination high-speed vibrating mirror
Multi-angle optical fiber prick-drawing device, belongs to technical field of optical fiber.
Background technique
The drawing cone of optical fiber is usually to be realized by optical fiber by fused biconical taper technology, it is to be shelled one section using heat source
Except the optical fiber of coat carries out heating melting, while optical fiber both ends stationary fixture is driven by stepper motor, makes it to two side stretchings,
The special waveguiding structure of double cone shape formula is finally formed in heating zone.
Compared to traditional such as electrode discharge, oxyhydrogen flame, graphite silk heating lamp fused biconical taper method, carbon dioxide laser adds
Work process costs are low and heat source cleans, and can guarantee that naked fibre part does not have any attachment around Modulation Based on Optical Fiber Fused Taper, so as to protect
Demonstrate,prove the optical fibre device of production under the powerful use will not because impurity there are due to occur burning phenomenon, carbon dioxide laser adds
Work technique is by more and more preparations applied to the integrated optical device based on optical fiber processing.Currently, carbon dioxide laser
The laser beam that optical fiber prick-drawing device used in processing technology usually generates carbon dioxide laser is direct as heating source
Optical fiber tapering to be drawn is focused on, this will be so that the heated extremely unevenness in optical fiber tapering to be drawn, seriously affects the quality for drawing cone.Notification number
A kind of optical fiber welding using high-frequency impulse carbon dioxide laser as heat source is disclosed for the Chinese invention patent of CN102147499A
Melt cone method of drawing, use carbon dioxide laser as heat source in this method, spot diameter is 50 microns, while being equipped with laser
Scanning galvanometer, can be realized the one-dimensional scanning on fiber axis, can be improved to a certain extent to tapered fiber be heated it is uniform
Property, but for the optical fiber of larger diameter, however it remains heated to tapered fiber especially large-diameter fibre-optical the case where uneven heating
Uniformity it is still to be improved.
Utility model content
For the problems of the prior art, the utility model provides a kind of the polygonal of carbon dioxide laser combination high-speed vibrating mirror
Optical fiber prick-drawing device is spent, which can treat tapered fiber and carry out the irradiation of multi-angle constant power, and it is especially big straight to improve optical fiber
Diameter optical fiber heat absorption uniformity, with overcome in the prior art optical fiber especially large-diameter fibre-optical draw cone during because of uneven heating
And influence the problem of drawing cone quality.
To realize the above technical purpose, the technical solution of the utility model is:
A kind of multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror, including carbon dioxide laser,
Laser scanning galvanometer, convex lens, the first transflection mirror, the first total reflective mirror, the second transflection mirror, the second total reflective mirror, third total reflective mirror and
Rotating device is stretched, for generating laser beam, which goes out to project the carbon dioxide laser after laser scanning galvanometer
Divergent beams, the convex lens are set on the emitting light path of laser scanning galvanometer, go out the diverging light projected by laser scanning galvanometer
Become collimated light beam after beam planoconvex lens, the first transflection mirror is set on the emitting light path of convex lens, the first transflection mirror it is saturating
Inverse ratio is 2:1, and first total reflective mirror is located on the transmitted light path of the first transflection mirror, for the transmitted light of the first transflection mirror is complete
Portion is reflected on the second transflection mirror, and the transflection ratio of the second transflection mirror is 1:1, and second total reflective mirror is located at the second transflection mirror
Transmitted light path on, for the transmitted light of the second transflection mirror to be all reflected into third total reflective mirror, the first transflection mirror
The reflected light path of reflected light path, the reflected light path of the second transflection mirror and third total reflective mirror intersects at the axis to tapered fiber,
The stretching rotating device includes mobile platform, and mobile platform is equipped with optical fiber stationary fixture, the light under the drive of mobile platform
Fine stationary fixture clamping stretches it along axial sides to tapered fiber.The utility model passes through carbon dioxide laser and laser
The cooperation of scanning galvanometer not only draws cone process to become more to clean, but also can make to swash so that traditional heat point source is changed into line heat source
Light it is more uniform be incident on optical fiber wimble fraction to be drawn；In addition, light beam is averaged by the ingenious cooperation by total reflective mirror and transflection mirror
It is divided into the equal three beams of power, may be implemented to irradiate to the multi-angle constant power of tapered fiber, improve optical fiber especially major diameter
The uniformity of optical fiber hand heat, to greatly improve the quality that optical fiber draws cone.
Preferably, the first transflection mirror reflected light path, the second transflection mirror reflected light path, the reflection of third total reflective mirror
Optical path is spaced apart around optical fiber axial direction at 120 °.
Preferably, the stretching rotating device further includes turntable, and turntable is located on mobile platform, turntable
Center position be fixed with optical fiber stationary fixture, turntable drives 360 ° of optical fiber rotations by optical fiber stationary fixture.Turntable
It drives and is rotated to tapered fiber, can be further improved the heated uniformity of optical fiber.
Preferably, the optical fiber stationary fixture is the fibre holder with optical fiber duct.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Appended drawing reference:
1. 2. laser scanning galvanometer of carbon dioxide laser, 3. convex lens, 4. first transflection mirror, 5. first total reflective mirror 6.
Second 7. second total reflective mirror of transflection mirror, 8. third total reflective mirror 90. stretches 91. turntable of rotating device, 92. mobile platform
93. optical fiber stationary fixture 10. is to tapered fiber
Specific embodiment
A specific embodiment of the utility model is described in detail combined with Figure 1 and Figure 2, but not to the power of the utility model
Benefit requires to do any restriction.
As depicted in figs. 1 and 2, the multi-angle optical fiber prick-drawing device of a kind of carbon dioxide laser combination high-speed vibrating mirror, including
Carbon dioxide laser 1, laser scanning galvanometer 2, convex lens 3, the first transflection mirror 4, the first total reflective mirror 5, the second transflection mirror 6,
Two total reflective mirrors 7, third total reflective mirror 8 and stretching rotating device 90, the carbon dioxide laser 1 is for generating laser beam as point
Heat source, the wavelength for the laser that carbon dioxide laser 1 generates are 10.6 μm, and power 45W, the laser beam is through laser scanning galvanometer
Divergent beams are emitted out after 2, wherein light beam may be implemented in the scanning of X-Y axis in laser scanning galvanometer 2, it is believed that by heat point source
Extension is set on the emitting light path of laser scanning galvanometer 2 for line heat source, the convex lens 3, goes out to project by laser scanning galvanometer 2
Divergent beams planoconvex lens 3 after become collimated light beam, the first transflection mirror 4 is set on the emitting light path of convex lens 3, first
The transflection ratio of transflection mirror 4 is 2:1, and first total reflective mirror 5 is located on the transmitted light path of the first transflection mirror 4, for saturating by first
The transmitted light of anti-mirror 4 is all reflected on the second transflection mirror 6, and the second transflection mirror 6 is set to the emitting light path of the first total reflective mirror 5
On, the transflection ratio of the second transflection mirror 6 is 1:1, and second total reflective mirror 7 is located on the transmitted light path of the second transflection mirror 6, and being used for will
The transmitted light of second transflection mirror 6 is all reflected on third total reflective mirror 8, the reflected light path of the first transflection mirror 4, the second transflection
The reflected light path of mirror 6 and the reflected light path of third total reflective mirror 8 intersect at the axis to tapered fiber 10, and the first transflection mirror 4
Reflected light path, 6 reflected light path of the second transflection mirror, the angle of 8 reflected light path of third total reflective mirror between any two are 120 °, the drawing
Rotating device 90 is stretched set on the both ends to tapered fiber 10, and stretching rotating device 90 includes turntable 91 and mobile platform 92, rotation
Turntable 91 is set on mobile platform 92, and the center position of turntable 91 is fixed with optical fiber stationary fixture 93, optical fiber stationary fixture
93 for clamping to tapered fiber 10, and optical fiber stationary fixture 93 can be the fibre holder with optical fiber duct, and turntable 91 is logical
Crossing optical fiber stationary fixture 93 drives 360 ° of optical fiber rotations to further increase the heated uniformity of optical fiber, and mobile platform 92 is used for band
It is dynamic to be stretched to tapered fiber 10 along axial sides.
Working principle of the utility model is:
Optical fiber tapering to be drawn position is stripped into coat, with being fixed on fibre holder after alcohol wipe；
The laser beam that carbon dioxide laser 1 generates is incident on laser scanning galvanometer 2, realizes X-Y through laser scanning galvanometer 2
The light beam of plane scans injection divergent beams, and the eye point of divergent beams is located at the focal point of convex lens 3, so that diverging
Light beam becomes collimated light beam after convex lens 3；After collimated light beam passes through the first transflection mirror 4, the laser reflection of 1/3 power to light
Fibre wimble fraction to be drawn, the laser of 2/3 power is transmitted through the laser for being incident on 5,2/3 power of the first total reflective mirror after the first transflection mirror 4
Be reflected into the second transflection mirror 6 by the first total reflective mirror 5, the second transflection mirror 6 be it is semi-transparent semi-reflecting, finally make the laser of 1/3 power
It is reflected into optical fiber wimble fraction to be drawn, the laser of 1/3 power is incident on optical fiber by the second total reflective mirror 7, third total reflective mirror 8 and waits drawing cone
Part；
After carbon dioxide laser 1 out light, after optical fiber after drawing wimble fraction to be pre-heated to certain temperature, pass through turntable
91 drive fiber spinnings so that optical fiber thermally equivalent, while being made to tapered fiber 10 by mobile station to two side stretchings.
In conclusion the utility model has the advantage that
1. the utility model passes through the cooperation of carbon dioxide laser and laser scanning galvanometer, so that traditional heat point source turns
Become line heat source, not only draw cone process become more to clean, but also make laser it is more uniform be incident on optical fiber wimble fraction to be drawn；
2. the utility model is used cooperatively by total reflective mirror and transflection mirror, light beam is equally divided into equal three of power
Beam, and be spaced 120 ° in space and be irradiated on optical fiber, so that the optical fiber of bigger core diameter further realizes uniform pickup, greatly
The molten quality for drawing cone is improved greatly.
3. the utility model rotate optical fiber can uniformly during drawing and boring by stretching rotating device, light can be made
Fine Omnibearing heating further improves the heated uniformity of optical fiber.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment.Those skilled in the art should understand that still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (4)
1. a kind of multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror, which is characterized in that including titanium dioxide
Carbon laser, laser scanning galvanometer, convex lens, the first transflection mirror, the first total reflective mirror, the second transflection mirror, the second total reflective mirror, third
Total reflective mirror and stretching rotating device, the carbon dioxide laser is for generating laser beam, and the laser beam is through laser scanning galvanometer
After be emitted out divergent beams, the convex lens is set on the emitting light path of laser scanning galvanometer, goes out to project by laser scanning galvanometer
Divergent beams planoconvex lens after become collimated light beam, the first transflection mirror is set on the emitting light path of convex lens, and first thoroughly
The transflection ratio of anti-mirror is 2:1, and first total reflective mirror is located on the transmitted light path of the first transflection mirror, for by the first transflection mirror
Transmitted light is all reflected on the second transflection mirror, and the transflection ratio of the second transflection mirror is 1:1, and second total reflective mirror is located at the
On the transmitted light path of two transflection mirrors, for the transmitted light of the second transflection mirror to be all reflected into third total reflective mirror, described first
The reflected light path of the reflected light path of transflection mirror, the reflected light path of the second transflection mirror and third total reflective mirror is intersected to tapered fiber
At axis, the stretching rotating device includes mobile platform, and mobile platform is equipped with optical fiber stationary fixture, in the band of mobile platform
Dynamic lower optical fiber stationary fixture clamping stretches it along axial sides to tapered fiber.
2. a kind of multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror as described in claim 1, special
Sign is that the first transflection mirror reflected light path, the second transflection mirror reflected light path, third total reflective mirror reflected light path surround fiber axis
It is spaced apart at 120 °.
3. a kind of multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror as described in claim 1, special
Sign is that the stretching rotating device further includes turntable, and turntable is located on mobile platform, and the center position of turntable is solid
Surely there is optical fiber stationary fixture, turntable drives 360 ° of optical fiber rotations by optical fiber stationary fixture.
4. a kind of multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror as described in claim 1, special
Sign is that the optical fiber stationary fixture is the fibre holder with optical fiber duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820768047.6U CN208459630U (en) | 2018-05-21 | 2018-05-21 | The multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820768047.6U CN208459630U (en) | 2018-05-21 | 2018-05-21 | The multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459630U true CN208459630U (en) | 2019-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820768047.6U Active CN208459630U (en) | 2018-05-21 | 2018-05-21 | The multi-angle optical fiber prick-drawing device of carbon dioxide laser combination high-speed vibrating mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208459630U (en) |
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2018
- 2018-05-21 CN CN201820768047.6U patent/CN208459630U/en active Active
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