CN219496710U - Ultraviolet laser version fiber bragg grating inscription device - Google Patents
Ultraviolet laser version fiber bragg grating inscription device Download PDFInfo
- Publication number
- CN219496710U CN219496710U CN202320764563.2U CN202320764563U CN219496710U CN 219496710 U CN219496710 U CN 219496710U CN 202320764563 U CN202320764563 U CN 202320764563U CN 219496710 U CN219496710 U CN 219496710U
- Authority
- CN
- China
- Prior art keywords
- fiber
- light source
- ultraviolet laser
- optical fiber
- inscription
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The utility model discloses an ultraviolet laser version fiber bragg grating inscription device which comprises a light source part, an inscription part and a test part, wherein the light source part comprises an ultraviolet laser light source, a small-hole diaphragm, a one-dimensional electric translation table, a 45-degree total reflection mirror and a cylindrical mirror, the inscription part comprises three-dimensional adjusting frames, two three-dimensional adjusting frames are arranged, fiber clamps are arranged on the three-dimensional adjusting frames, a mask clamping device is arranged between the two fiber clamps, the two fiber clamps respectively clamp two ends of an optical fiber, and the test part comprises an optical fiber circulator, a reflecting end monitoring device, an amplified spontaneous emission light source and a transmitting end monitoring device. The writing device is simple in structure, convenient to operate, convenient to build, capable of conducting mass industrial production, good in energy distribution uniformity, capable of writing gratings with any reflectivity, and capable of effectively improving production efficiency of the writing device.
Description
Technical Field
The utility model relates to the technical field of fiber bragg grating inscription, in particular to an ultraviolet laser plate fiber bragg grating inscription device.
Background
There are two kinds of fiber bragg grating inscribing techniques which are commonly used at present, namely point-by-point inscribing. The method has the advantages that parameters such as the period and the chirp rate of the fiber bragg grating can be flexibly controlled, but if the low-order fiber bragg grating needs to be inscribed, the nanometer-order light spot size is required, the requirements on the stability of an optical path and experimental environment are extremely high, and the method is not easy to operate, so that the method is commonly used for inscribing the high-order fiber bragg grating or the long-period fiber bragg grating. But the phase mask plate for writing the Bragg grating has high requirements and high price, and the writing parameters are single, so that the manufacturing cost of the fiber grating is indirectly increased. In addition, the excimer light source in the current research is the most commonly used inscription light source, and has the characteristics of high output power and large light spot area. The large spot area causes uneven energy distribution, the beam must be shaped before the use, the aperture is used for limiting light, the uniform energy part is taken to complete writing, and the energy waste is caused while the complexity of the light path is increased. How to make best use of the best of the technology and keep away from the shortness to optimize the writing process, and meanwhile, the writing efficiency and effect can be improved, so that the method becomes a key problem in the current research of the fiber grating writing technology. Therefore, we propose an ultraviolet laser type fiber bragg grating inscription device.
Disclosure of Invention
In order to solve the problems, the utility model provides an ultraviolet laser type fiber bragg grating inscription device. The utility model solves the problems that the energy distribution is uneven due to the large light spot area of the excimer light source, the shaping of the light beam is needed before the use, the light limiting is carried out by using the diaphragm, the writing can be well completed by taking the uniform energy part, and the energy waste is caused while the complexity of the light path is increased.
The utility model relates to an ultraviolet laser version fiber bragg grating inscription device which comprises a light source part, an inscription part and a test part, wherein the light source part comprises an ultraviolet laser light source, a small hole diaphragm, a one-dimensional electric translation stage, a 45-degree total reflection mirror and a cylindrical mirror;
the writing part comprises two three-dimensional adjusting frames, wherein the three-dimensional adjusting frames are provided with optical fiber clamps, a mask clamping device is arranged between the two optical fiber clamps, and the two optical fiber clamps respectively clamp two ends of an optical fiber;
the test part comprises an optical fiber circulator, a reflecting end monitoring device, an amplified spontaneous emission light source and a transmitting end monitoring device.
In the above scheme, the aperture diaphragm is positioned at the emitting end of the ultraviolet laser source.
In the above scheme, a tension sensor is arranged on one optical fiber clamp.
In the above scheme, the input end of the optical fiber circulator is connected with the amplified spontaneous emission light source, the emitting end of the optical fiber circulator is connected with the optical fiber, the output end of the optical fiber circulator is connected with the reflecting end monitoring device, and one end, far away from the optical fiber circulator, of the optical fiber is connected with the transmitting end monitoring device.
The utility model has the advantages and beneficial effects that: the utility model provides an ultraviolet laser plate fiber bragg grating inscription device, wherein a mask plate is fixed at a position 0.05-0.1 mm in front of an optical fiber to be inscribed through a mask plate clamping device, a light source emitted by an ultraviolet laser light source can be emitted through a small hole diaphragm, laser is focused into linear light spots through a cylindrical mirror after being refracted through a 45-degree total reflection mirror, and therefore the ultraviolet laser light source can carry out photoetching on the optical fiber. The writing device is simple in structure, convenient to operate, convenient to build, capable of conducting mass industrial production, good in energy distribution uniformity, capable of writing gratings with any reflectivity, and capable of effectively improving production efficiency of the writing device.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1. the device comprises a light source part 11, an ultraviolet laser light source 12, a small aperture diaphragm 13, a one-dimensional electric translation stage 14, a 45-degree total reflection mirror 15, a cylindrical mirror 2, a inscription part 21, a three-dimensional adjusting frame 22, an optical fiber clamp 23, a mask plate clamping device 3, a test part 31, an optical fiber circulator 32, a reflection end monitoring device 33, an amplified spontaneous emission light source 34, a transmission end monitoring device 4 and an optical fiber.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
As shown in fig. 1, the utility model relates to an ultraviolet laser type fiber bragg grating inscription device, which comprises a light source part 1, an inscription part 2 and a test part 3, wherein the light source part 1 comprises an ultraviolet laser light source 11, a small hole diaphragm 12, a one-dimensional electric translation table 13, a 45-degree total reflection mirror 14 and a cylindrical mirror 15, the light source emitted by the ultraviolet laser light source 11 can emit through the small hole diaphragm 12, laser is focused into linear light spots by the cylindrical mirror after being refracted by the 45-degree total reflection mirror 14, the one-dimensional electric translation table 13 can regulate the 45-degree total reflection mirror 14 and the cylindrical mirror 15 in the horizontal direction, the ultraviolet laser light source adopts Nd: VO4 five-time frequency solid laser, and can provide ultraviolet light output with the diameters of 6.1ns, 13KHz and 0.3mm, and the average power is 0-150 mW.
The writing part 2 comprises two three-dimensional adjusting frames 21, wherein two three-dimensional adjusting frames 21 are arranged, optical fiber clamps 22 are arranged on the three-dimensional adjusting frames 21, a mask plate clamping device 23 is arranged between the two optical fiber clamps 22, and the two optical fiber clamps 22 respectively clamp two ends of an optical fiber 4;
the test section 3 comprises a fiber optic circulator 31, a reflective end monitoring device 32, an amplified spontaneous emission light source 33, and a transmissive end monitoring device 34.
The aperture diaphragm 12 is located at the emitting end of the ultraviolet laser source 11.
A tension sensor is provided on one of the fiber clamps 22.
The input end of the optical fiber circulator 31 is connected with an amplified spontaneous emission light source 33, the emitting end of the optical fiber circulator 31 is connected with an optical fiber 4, the output end of the optical fiber circulator 31 is connected with a reflecting end monitoring device 32, one end of the optical fiber 4 far away from the optical fiber circulator 31 is connected with a transmitting end monitoring device 34,
specifically, in the utility model, when the fiber bragg grating is inscribed, firstly, the fiber 4 to be inscribed is firstly stripped to be more than the coating layer of the inscribed length, then the linear light spot focused by the ultraviolet laser source 11 is placed at the focal position of the cylindrical mirror 15, the non-stripped parts at the two ends of the fiber 4 are respectively placed in the fixing grooves of the fiber clamps 22 for clamping, meanwhile, the tension sensor is fixed between the two fiber clamps 22, the mask plate is fixed at the position of 0.05 mm-0.1 mm in front of the fiber to be inscribed through the mask plate clamping device, the light source emitted by the ultraviolet laser source 11 can be emitted through the small hole diaphragm 12, and the laser is focused into the linear light spot by the cylindrical mirror after being refracted by the 45-degree total reflection mirror 14, so that the ultraviolet laser source 11 can carry out photoetching on the fiber 4.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The ultraviolet laser type fiber bragg grating inscription device comprises a light source part (1), an inscription part (2) and a test part (3), and is characterized in that the light source part (1) comprises an ultraviolet laser light source (11), a small hole diaphragm (12), a one-dimensional electric translation table (13), a 45-degree total reflection mirror (14) and a cylindrical mirror (15);
the writing part (2) comprises two three-dimensional adjusting frames (21), wherein two three-dimensional adjusting frames (21) are arranged, optical fiber clamps (22) are arranged on the three-dimensional adjusting frames (21), mask plate clamping devices (23) are arranged between the two optical fiber clamps (22), and the two optical fiber clamps (22) respectively clamp two ends of an optical fiber (4);
the test section (3) includes a fiber optic circulator (31), a reflective end monitoring device (32), an amplified spontaneous emission light source (33), and a transmissive end monitoring device (34).
2. The ultraviolet laser version fiber grating inscription device according to claim 1, wherein the aperture diaphragm (12) is located at the emitting end of the ultraviolet laser light source (11).
3. The ultraviolet laser version fiber grating inscription device according to claim 1, characterized in that a tension sensor is provided on one of the fiber clamps (22).
4. The ultraviolet laser version fiber bragg grating inscription device according to claim 1, wherein an input end of the fiber circulator (31) is connected with an amplified spontaneous emission light source (33), an emitting end of the fiber circulator (31) is connected with an optical fiber (4), an output end of the fiber circulator (31) is connected with a reflecting end monitoring device (32), and one end, far away from the fiber circulator (31), of the optical fiber (4) is connected with a transmitting end monitoring device (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320764563.2U CN219496710U (en) | 2023-04-10 | 2023-04-10 | Ultraviolet laser version fiber bragg grating inscription device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320764563.2U CN219496710U (en) | 2023-04-10 | 2023-04-10 | Ultraviolet laser version fiber bragg grating inscription device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219496710U true CN219496710U (en) | 2023-08-08 |
Family
ID=87511649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320764563.2U Active CN219496710U (en) | 2023-04-10 | 2023-04-10 | Ultraviolet laser version fiber bragg grating inscription device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219496710U (en) |
-
2023
- 2023-04-10 CN CN202320764563.2U patent/CN219496710U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110673258A (en) | System for writing various fiber gratings by ultraviolet laser mask plate method | |
| CN101826697B (en) | Method for manufacturing distributed Bragg reflection optical fiber laser | |
| CN101266319A (en) | Long period optical fibre grating ultraviolet laser point-to-point writing method | |
| CN100421316C (en) | Generation of solid laser with biquadratic harmonic wave | |
| CN203617539U (en) | Passively Q-switched picosecond laser seed light source | |
| CN204422809U (en) | Femtosecond laser Tabo effect is utilized to prepare the device of long period fiber grating | |
| CN100384035C (en) | Pulse width adjustable acousto-optic Q-switched double-cladding optical fiber laser | |
| CN219496710U (en) | Ultraviolet laser version fiber bragg grating inscription device | |
| Bartulevicius et al. | Compact femtosecond 10 μJ pulse energy fiber laser with a CFBG stretcher and CVBG compressor | |
| CN202167755U (en) | Outside-cavity resonant ultraviolet laser generating device | |
| Talbot et al. | Inner-cladding pump reflector based on chirped volume Bragg gratings | |
| CN2867664Y (en) | Cavity resonator producing high brightness laser source | |
| CN112421360A (en) | Integrated optical fiber resonant cavity and manufacturing method and application thereof | |
| CN216485631U (en) | Device for inscribing fiber Bragg grating by femtosecond laser phase template | |
| US20220283540A1 (en) | Volume bragg grating in a cylindrical bulk medium | |
| CN100589296C (en) | Acousto-optic modulator used for high power pulse optical fiber | |
| CN210465747U (en) | Phase-shift fiber grating inscribing system of distributed feedback fiber laser | |
| CN2904397Y (en) | Optical fiber output laser for parallel machine tool | |
| CN114137654A (en) | Grating preparation method and grating preparation monitoring system for annular waveguide fiber | |
| Huang et al. | Demonstration of side coupling between high power laser diode array and double-clad fiber using sub-wavelength grating | |
| CN113325508A (en) | Method for manufacturing fiber grating based on photo-polymerization material | |
| CN1885642A (en) | Optical fibre laser and frequency generation red-light device | |
| CN216436386U (en) | Optical fiber laser | |
| CN112332206B (en) | Semiconductor optical fiber coupling single-mode laser based on fiber grating feedback | |
| CN218917703U (en) | Fiber bragg grating pair inscription device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |