CN207335881U - Laser center wavelength measuring device - Google Patents
Laser center wavelength measuring device Download PDFInfo
- Publication number
- CN207335881U CN207335881U CN201720222651.4U CN201720222651U CN207335881U CN 207335881 U CN207335881 U CN 207335881U CN 201720222651 U CN201720222651 U CN 201720222651U CN 207335881 U CN207335881 U CN 207335881U
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- Prior art keywords
- measuring device
- center wavelength
- laser center
- optical filter
- optical
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- 230000003287 optical effect Effects 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims description 6
- 230000005622 photoelectricity Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The utility model provides a laser center wavelength measuring device, including fiber connector, linear optical filter, photoelectric detector, optical wavelength calculating device, fiber connector passes through fiber connection and goes into the light mouth at linear optical filter, and linear optical filter goes out the light mouth and utilizes fiber connection photoelectric detector to go into the light mouth, and optical wavelength calculating device is connected to photoelectric detector power signal output part electricity. The utility model provides a laser center wavelength measuring device, simple structure, it is with low costs, facilitate the use.
Description
Technical field
Field of laser device technology is the utility model is related to, more particularly to a kind of laser center wavelength measuring device.
Background technology
At present, the capital equipment used for measuring laser center wavelength is grating wavelength computing device, the apparatus structure
Complexity, of high cost, for the measurement occasion less high to required precision, both heavy using the measuring apparatus, cost is again high, no
It is too suitable.
Accordingly, it is desirable to provide a kind of laser center wavelength measuring device is to solve above-mentioned technical problem.
Utility model content
The utility model is simple in structure mainly solving the technical problems that provide a kind of laser center wavelength measuring device,
Cost is low, easy to use.
In order to solve the above technical problems, the technical solution that the utility model uses is to provide a kind of laser center wavelength
Measuring device, including fiber connector, linear optical filter, photodetector, optical wavelength computing device, fiber connector pass through
Optical fiber is connected to linear optical filter light inlet, and linear optical filter light-emitting window connects photodetector light inlet using optical fiber,
Photodetector power signal output terminal is electrically connected optical wavelength computing device.
The beneficial effects of the utility model are：A kind of laser center wavelength measuring device provided by the utility model, structure
Simply, cost is low, easy to use.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the first preferred embodiment of laser center wavelength measuring device of the utility model
Figure；
Fig. 2 is laser power with wavelength change curve map.
Embodiment
The technical solution of the utility model is described in detail with reference to diagram.
It is shown in Figure 1, the laser center wavelength measuring device of the present embodiment, including the filter of fiber connector 1, linear light
Ripple device 2, photodetector 3, optical wavelength computing device 4, fiber connector 1 are connected to linear optical filter 2 by optical fiber and enter light
Mouthful, linear 2 light-emitting window of optical filter utilizes optical fiber connection 3 light inlet of photodetector, 3 power signal output terminal of photodetector
It is electrically connected optical wavelength computing device 4.
The operation principle of the present embodiment is：
The optical power signals that optical wavelength computing device 4 is received from photodetector, it is right to analyze institute at two halves peak power
The average value for the wavelength answered, and then determine centre wavelength, specifically, refer to shown in Fig. 2, wherein, centre wavelength corresponds to half-peak
It is worth the average value of corresponding two wavelength of power, therefore, the calculation formula of centre wavelength is
It so can very easily calculate the centre wavelength of laser.
The apparatus structure of the utility model is simple, cost is low, suitable for not being too high measurement occasion to required precision.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure made based on the specification and figures of the utility model, is directly or indirectly used in other relevant technologies
Field, is equally included in the patent within the scope of the utility model.
Claims (1)
- A kind of 1. laser center wavelength measuring device, it is characterised in that：Visited including fiber connector, linear optical filter, photoelectricity Device, optical wavelength computing device are surveyed, fiber connector is connected to linear optical filter light inlet by optical fiber, and linear optical filter goes out Optical port is electrically connected optical wavelength and is calculated dress using optical fiber connection photodetector light inlet, photodetector power signal output terminal Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720222651.4U CN207335881U (en) | 2017-03-08 | 2017-03-08 | Laser center wavelength measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720222651.4U CN207335881U (en) | 2017-03-08 | 2017-03-08 | Laser center wavelength measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335881U true CN207335881U (en) | 2018-05-08 |
Family
ID=62375784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720222651.4U Active CN207335881U (en) | 2017-03-08 | 2017-03-08 | Laser center wavelength measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967120A (en) * | 2019-11-08 | 2020-04-07 | 厦门彼格科技有限公司 | High-precision laser wavelength measuring instrument based on slope filter |
-
2017
- 2017-03-08 CN CN201720222651.4U patent/CN207335881U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110967120A (en) * | 2019-11-08 | 2020-04-07 | 厦门彼格科技有限公司 | High-precision laser wavelength measuring instrument based on slope filter |
| CN110967120B (en) * | 2019-11-08 | 2021-09-07 | 厦门彼格科技有限公司 | High-precision laser wavelength measuring instrument based on slope filter |
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