CN213814034U - Double-fiber optical fiber end cap with indicating light - Google Patents
Double-fiber optical fiber end cap with indicating light Download PDFInfo
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- CN213814034U CN213814034U CN202022866487.5U CN202022866487U CN213814034U CN 213814034 U CN213814034 U CN 213814034U CN 202022866487 U CN202022866487 U CN 202022866487U CN 213814034 U CN213814034 U CN 213814034U
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Abstract
The utility model discloses a two fine optic fibre end caps of area pilot light, including quartz stick, laser transmission optic fibre, pilot light transmission optic fibre and pilot light source, quartz stick is coaxial with laser transmission optic fibre, and laser transmission optic fibre and quartz stick's input end face butt fusion, quartz stick and pilot light transmission optic fibre disalignment, the one end of pilot light transmission optic fibre and the input end face butt fusion of quartz stick, the other end and the butt fusion of pilot light source. The indicating light emitted by the indicating light source can be directly output through the indicating light transmission optical fiber and the quartz rod, and the double-fiber optical fiber end cap is different from a long optical fiber coupling optical path and a complex space coupling optical path, has the advantages of simple structure, small volume, low loss, easiness in integration and the like, and is favorable for better application of an optical fiber laser in the fields of industry, scientific research and the like.
Description
Technical Field
The utility model relates to a fiber laser technical field specifically is a two fine optic fibre end caps of area pilot light.
Background
Medium and high power fiber lasers typically have a fiber end cap as the output head, while the visible indicating light plays an important role in the practical application of the fiber laser. The most common methods for coupling the indicating light at present are two, one is to fuse the indicating light source with the signal fiber of the pump-signal beam combiner so as to couple the indicating light into the fiber laser resonant cavity and then output the indicating light by the fiber end cap; one is to add a spatial coupling optical path at the output end to realize the synchronous output of the signal laser and the indicating light. The former has long optical path and large loss, and the latter has complex structure and large volume, thus being inconvenient for integrated application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two fine optic fibre end caps of light are instructed in area to it is complicated to solve traditional optic fibre coupling light path and space coupling light path structure, and is bulky, and the loss is high, shortcoming such as the integration of not being convenient for. In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a two fine optic fibre end caps of light are instructed in area, includes quartz rod, laser transmission optic fibre, instruction light transmission optic fibre and instruction light source, its characterized in that: the quartz stick with laser transmission optic fibre is coaxial, the input terminal surface butt fusion of laser transmission optic fibre quartz stick, the quartz stick with instruct the optical transmission optic fibre disalignment, instruct optical transmission optic fibre one end with the input terminal surface butt fusion of quartz stick, instruct optical transmission optic fibre's the other end with instruct the light source butt fusion.
Further, the laser transmission fiber and the indication light transmission fiber are double-clad passive fibers.
Further, the diameter of the cladding of the laser transmission fiber is less than or equal to one third of the diameter of the quartz rod.
Further, the cladding diameter of the indicator light transmission fiber is smaller than the cladding diameter of the laser transmission fiber.
Further, the indicating light source is a red light source or a green light source.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a two fine optic fibre end caps of area pilot light has simple structure, and is small, and the loss is low, easily advantages such as integrated help fiber laser to use fields such as industry, scientific research better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a quartz rod; 2. a laser transmission optical fiber; 3. an indicator light transmission fiber; 4. a source of indicator light.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a two fine optic fibre end caps of area pilot light, including quartz rod 1, laser transmission optic fibre 2, pilot light transmission optic fibre 3 and pilot light source 4, its characterized in that: the quartz rod 1 is coaxial with the laser transmission optical fiber 2, the laser transmission optical fiber 2 is welded with the input end face of the quartz rod 1, the quartz rod 1 is not coaxial with the indication light transmission optical fiber 3, one end of the indication light transmission optical fiber 3 is welded with the input end face of the quartz rod 1, and the other end of the indication light transmission optical fiber 3 is welded with the indication light source 4.
In another embodiment of the dual-fiber end cap with the indicating light of the present invention, the laser transmission fiber 2 and the indicating light transmission fiber 3 are dual-clad passive fibers.
In another embodiment of the dual-fiber end cap with the indicating light of the present invention, the diameter of the cladding of the laser transmission fiber 2 is less than or equal to one third of the diameter of the quartz rod 1.
In another embodiment of the dual-fiber end cap with the indicating light of the present invention, the cladding diameter of the indicating light transmitting fiber 3 is smaller than the cladding diameter of the laser transmitting fiber 2.
In another embodiment of the dual-fiber end cap with the indicating light of the present invention, the indicating light source 4 is a red light source or a green light source.
The utility model discloses take red optical fiber end cap's of instructing concrete implementation method as follows: the quartz rod 1 and the laser transmission fiber 2 are welded together, then parameters of a welding system are properly adjusted, the quartz rod 1 and one end of the indicating light transmission fiber 3 are welded together, and finally the other end of the indicating light transmission fiber 3 and the indicating light source 4 are welded together. After the indicating light source is turned on, the indicating light can be directly output through the indicating light transmission optical fiber 3 and the quartz rod 1.
To sum up, the utility model discloses be different from lengthy fiber coupling light path and complicated space coupling light path, have simple structure, small, the loss is low, advantages such as easily integration help fiber laser to use fields such as industry, scientific research better.
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 (5)
1. The utility model provides a two fine optic fibre end caps of light are instructed in area, includes quartz rod (1), laser transmission optic fibre (2), instruction light transmission optic fibre (3) and instruction light source (4), its characterized in that: quartz stick (1) with laser transmission optic fibre (2) are coaxial, the input terminal surface butt fusion of laser transmission optic fibre (2) and quartz stick (1), quartz stick (1) with instruct optical transmission optic fibre (3) disalignment, the one end of instructing optical transmission optic fibre (3) with the input terminal surface butt fusion of quartz stick (1), the other end of instructing optical transmission optic fibre (3) with instruct light source (4) butt fusion.
2. The dual-fiber optical fiber end cap with indicator light of claim 1, wherein: the laser transmission fiber (2) and the indication light transmission fiber (3) are double-clad passive fibers.
3. A dual fiber optical fiber endcap with indicator light, as in any of claims 1-2, wherein: the diameter of the cladding of the laser transmission fiber (2) is less than or equal to one third of the diameter of the quartz rod (1).
4. A dual fiber optical fiber endcap with indicator light, as in any of claims 1-2, wherein: the cladding diameter of the indicating light transmission fiber (3) is smaller than that of the laser transmission fiber (2).
5. The dual-fiber optical fiber end cap with indicator light of claim 1, wherein: the indicating light source (4) is a red light source or a green light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866487.5U CN213814034U (en) | 2020-12-03 | 2020-12-03 | Double-fiber optical fiber end cap with indicating light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022866487.5U CN213814034U (en) | 2020-12-03 | 2020-12-03 | Double-fiber optical fiber end cap with indicating light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213814034U true CN213814034U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022866487.5U Active CN213814034U (en) | 2020-12-03 | 2020-12-03 | Double-fiber optical fiber end cap with indicating light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213814034U (en) |
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2020
- 2020-12-03 CN CN202022866487.5U patent/CN213814034U/en active Active
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