CN210774378U - Laser wavelength testing device - Google Patents
Laser wavelength testing device Download PDFInfo
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- CN210774378U CN210774378U CN201922136936.8U CN201922136936U CN210774378U CN 210774378 U CN210774378 U CN 210774378U CN 201922136936 U CN201922136936 U CN 201922136936U CN 210774378 U CN210774378 U CN 210774378U
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Abstract
The utility model relates to a laser instrument field, concretely relates to laser instrument wavelength testing arrangement. The laser wavelength testing device comprises a laser for emitting laser; the calorimeter receives the laser emitted by the laser and reflects part of the laser; and the laser wavelength testing mechanism is used for receiving the laser reflected by the calorimeter and testing the wavelength of the received laser. Through setting up the calorimeter and receiving the laser of laser instrument transmission and partially reflecting laser, laser wavelength accredited testing organization tests the wavelength of the laser that the calorimeter reflected, and the calorimeter can bear powerful laser, reflects the partial laser of laser instrument transmission to realize follow-up test to laser wavelength, realize the test of laser wavelength, especially realize the test to the laser wavelength of high-power laser instrument transmission.
Description
Technical Field
The utility model relates to a laser instrument field, concretely relates to laser instrument wavelength testing arrangement.
Background
A laser is a device capable of emitting laser light. With the development of science and technology, the application of lasers is more and more extensive, especially high-power lasers.
In the application of high-power laser, the wavelength of the laser light emitted by the high-power laser needs to be tested. In the existing laser wavelength test scheme, usually, an integrating sphere is adopted for testing the wavelength of a high-power laser, the laser is transmitted into the integrating sphere, the laser is subjected to diffuse reflection in the integrating sphere, and the integrating sphere is used as a light splitter for splitting part of light into an instrument for testing the laser wavelength for wavelength test. Therefore, the high power laser cannot be tested.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a laser instrument wavelength testing arrangement, overcome the unable problem of testing to high-power laser of current laser wavelength test scheme.
The utility model provides a technical scheme that its technical problem adopted is: provided is a laser wavelength testing device, including:
a laser for emitting laser light;
the calorimeter receives the laser emitted by the laser and reflects part of the laser;
and the laser wavelength testing mechanism is used for receiving the laser reflected by the calorimeter and testing the wavelength of the received laser.
The utility model discloses a further preferred scheme is: the angle of incidence of the laser emitted by the laser to the calorimeter is 10 degrees.
The utility model discloses a further preferred scheme is: the calorimeter comprises a detection surface used for reflecting part of laser emitted by the laser, the laser wavelength testing mechanism comprises an incident jumper wire used for receiving the laser reflected by the calorimeter, and the distance between the incident jumper wire and the detection surface is 3-7 cm.
The utility model discloses a further preferred scheme is: the calorimeter is provided with a groove, and the detection surface is arranged on the bottom end surface of the groove.
The utility model discloses a further preferred scheme is: the laser wavelength testing mechanism is a spectrometer.
The utility model discloses a further preferred scheme is: the laser wavelength testing device also comprises a direct current power supply connected with the laser.
The utility model discloses a further preferred scheme is: the laser wavelength testing device further comprises a clamp used for fixing an incident jumper wire of the laser wavelength testing mechanism, and the clamp fixes the incident jumper wire in front of the detection surface of the calorimeter so as to receive laser reflected by the detection surface.
The utility model discloses a further preferred scheme is: the laser is a high-power laser.
The beneficial effects of the utility model reside in that, compare with prior art, through setting up the laser that the calorimeter received the laser instrument transmission and reflect part laser, laser wavelength accredited testing organization tests the wavelength of the laser that the calorimeter reflects, and the calorimeter can bear powerful laser, reflects the part laser that the laser instrument transmitted to realize follow-up test to laser wavelength, realize the test of laser wavelength, especially realize the test to the laser wavelength of high-power laser instrument transmission.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural diagram of the laser wavelength testing apparatus of the present invention.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a preferred embodiment of a laser wavelength measurement device.
A laser wavelength testing device comprises a laser 10, a light source and a light source, wherein the laser is used for emitting laser; the calorimeter 20 is used for receiving the laser emitted by the laser 10, and reflecting part of the laser; and a laser wavelength testing mechanism 30 for receiving the laser reflected by the calorimeter 20 and testing the wavelength of the received laser.
By arranging the calorimeter 20 to receive the laser emitted by the laser 10 and reflect part of the laser, the laser wavelength testing mechanism 30 tests the wavelength of the laser reflected by the calorimeter 20, the calorimeter 20 can bear high-power laser and reflect part of the laser emitted by the laser 10 so as to realize subsequent testing of the laser wavelength, realize testing of the laser wavelength and particularly realize testing of the laser wavelength emitted by the high-power laser.
Wherein the calorimeter 20 is an absorber coated with a pyroelectric material, the pyroelectric material absorbs most of the light energy and converts it into heat, only a small portion of the light energy is reflected, the absorption and reflection ratios are related to the spectral response curve of the material, and the heat storage volume of the absorber and its thickness determine the rate of heat transfer to the probe and the reaction time. The temperature of the probe changes, and current can be generated and converted into a voltage signal through the sheet annular resistor to be transmitted.
The calorimeter 20 receives the laser emitted by the laser 10, absorbs most of the laser, and reflects part of the laser into the laser wavelength testing mechanism 30 to test the wavelength of the laser.
Wherein, the angle of incidence of the laser emitted by the laser 10 to the calorimeter 20 is 10 degrees.
In this embodiment, the calorimeter 20 includes a detection surface 21 for reflecting part of laser light emitted by the laser 10, the laser wavelength testing mechanism 30 includes an incident jumper 31 for receiving the laser light reflected by the calorimeter 20, and a distance between the incident jumper 31 and the detection surface 21 is 3-7 cm.
Specifically, the angle at which the laser light emitted by the laser 10 is incident on the detection surface 21 of the calorimeter 20 is 10 degrees. The angle of laser incidence to the detection surface 21 of the calorimeter 20 is set to be 10 degrees, and the distance between the incidence jumper 31 and the detection surface 21 is set to be 3-7 centimeters, so that the laser emitted by the laser 10 can be reflected by the detection surface 21 of the calorimeter 20 and then accurately enters the incidence jumper 31 of the laser wavelength testing mechanism 30.
The distance between the incident jumper 31 and the detection surface 21 is preferably 5 cm.
In this embodiment, the calorimeter 20 is provided with a groove 22, and the detection surface 21 is provided on a bottom end surface of the groove 22.
In this embodiment, the laser wavelength testing mechanism 30 is a spectrometer. The spectrometer is a device for measuring the intensities of spectral lines at different wavelength positions by using light detectors such as a photomultiplier tube. It consists of an entrance slit, a dispersive system, an imaging system and one or more exit slits, with dispersive elements separating the electromagnetic radiation from the radiation source into the desired wavelength or wavelength region and measuring the intensity at the selected wavelength (or scanning a band). The laser wavelength can be tested by using a spectrometer. Of course, in other embodiments, the laser wavelength testing mechanism 30 may also be used for testing by using an optical component analyzer, a polarization controller, a high-power optical attenuator, a digital communication analyzer, a pulse pattern generator, a parallel bit error rate tester, an optical receiver enhancement tester, and the like.
Further, the laser wavelength testing device further comprises a direct current power supply 40 connected with the laser 10. The direct current power supply 40 supplies power to the laser 10, so that laser emitted by the laser 10 is incident on the calorimeter 20.
Further, the laser wavelength testing device further comprises a clamp (not shown) for fixing the incident jumper 31 of the laser wavelength testing mechanism 30, wherein the clamp fixes the incident jumper 31 in front of the detection surface 21 of the calorimeter 20 so as to receive the laser reflected by the detection surface 21.
In this embodiment, the laser 10 is a high power laser. The calorimeter 20 can withstand the laser light emitted by the high power laser and reflect a portion of the laser light into the incident jumper 31 of the spectrometer.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.
Claims (8)
1. A laser wavelength testing device, comprising:
a laser for emitting laser light;
the calorimeter receives the laser emitted by the laser and reflects part of the laser;
and the laser wavelength testing mechanism is used for receiving the laser reflected by the calorimeter and testing the wavelength of the received laser.
2. The laser wavelength test device according to claim 1, wherein an angle at which the laser light emitted from the laser is incident to the calorimeter is 10 degrees.
3. The laser wavelength testing device according to claim 1, wherein the calorimeter comprises a detection surface for reflecting part of laser light emitted by the laser, the laser wavelength testing mechanism comprises an incident jumper wire for receiving the laser light reflected by the calorimeter, and the distance between the incident jumper wire and the detection surface is 3-7 cm.
4. The laser wavelength test device according to claim 3, wherein the calorimeter is provided with a groove, and the detection surface is provided on a bottom end surface of the groove.
5. The laser wavelength test device of claim 1, wherein the laser wavelength test mechanism is a spectrometer.
6. The laser wavelength test device of claim 1, further comprising a dc power supply connected to the laser.
7. The laser wavelength testing device of claim 3, further comprising a clamp for fixing an incident jumper wire of the laser wavelength testing mechanism, wherein the clamp fixes the incident jumper wire in front of the detection surface of the calorimeter so as to receive the laser light reflected by the detection surface.
8. The laser wavelength test device according to any one of claims 1 to 7, wherein the laser is a high power laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136936.8U CN210774378U (en) | 2019-12-03 | 2019-12-03 | Laser wavelength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136936.8U CN210774378U (en) | 2019-12-03 | 2019-12-03 | Laser wavelength testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210774378U true CN210774378U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922136936.8U Active CN210774378U (en) | 2019-12-03 | 2019-12-03 | Laser wavelength testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210774378U (en) |
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2019
- 2019-12-03 CN CN201922136936.8U patent/CN210774378U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 No. 35, Cuijing Road, Pingshan New District, Shenzhen, Guangdong Patentee after: Ona Technology (Shenzhen) Group Co.,Ltd. Address before: No.35 Cuijing Road, Pingshan District, Shenzhen City, Guangdong Province Patentee before: O-NET COMMUNICATIONS (SHENZHEN) Ltd. |
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| CP03 | Change of name, title or address |