CN217507919U - Multi-wavelength narrow linewidth ultraviolet laser generator - Google Patents
Multi-wavelength narrow linewidth ultraviolet laser generator Download PDFInfo
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- CN217507919U CN217507919U CN202221851521.4U CN202221851521U CN217507919U CN 217507919 U CN217507919 U CN 217507919U CN 202221851521 U CN202221851521 U CN 202221851521U CN 217507919 U CN217507919 U CN 217507919U
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Abstract
The utility model discloses a multi-wavelength, narrow linewidth ultraviolet laser generator, include: the laser device comprises a first laser channel, a second laser channel and a third laser channel which are arranged on a laser transmission line, wherein laser of the first laser channel is divided into a first light beam and a second light beam through a first spectroscope, the first light beam is used for generating and outputting 1064nm infrared laser, when a first switch is opened, the second light beam enters the second laser channel through the first light beam, the laser device emits 532nm green laser, laser of the second laser channel is divided into a third light beam and a fourth light beam through a second spectroscope, the second switch is opened, the fourth light beam enters the third laser channel, and the laser device emits 355nm ultraviolet laser. The utility model discloses a can the multiple different wavelength's of multiple switching output ultraviolet laser, application scope is wide, moreover, compact structure, the volume is littleer.
Description
Technical Field
The utility model belongs to the technical field of laser, specific theory relates to a multi-wavelength, narrow linewidth ultraviolet laser generator.
Background
The laser refers to a device capable of emitting laser, the light emitted by the laser has pure quality and stable spectrum, and due to various outstanding characteristics of the laser, the laser is rapidly applied to various aspects of industry, agriculture, precision measurement and detection, communication and information processing, medical treatment, military affairs and the like, and revolutionary breakthrough is caused in many fields. Besides being used for communication, night vision, early warning, distance measurement and the like in military, various laser weapons and laser guided weapons have also been put into practical use.
With the rapid development of laser technology, lasers with various wavelengths are coming out, and have been covered with various common bands of visible light, ultraviolet light, infrared light, and the like. In the prior art, one laser can only singly output laser with one wavelength of 1064nm or 532nm, but the laser is limited by the singleness of laser wavelength, and if two lasers with single wavelength (1064nm or 532nm) are stacked side by side for use, the laser has large volume, high cost, large system control difficulty, easy failure and inconvenient operation.
Based on this, the prior art has the following technical problems:
how to provide a laser with simple structure, low cost and multiple wavelength types becomes an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a multi-wavelength, narrow linewidth ultraviolet laser generator for a simple structure, with low costs, the many lasers of wavelength kind are provided.
The utility model discloses a multi-wavelength, narrow linewidth ultraviolet laser generator, include: the first laser channel, the second laser channel and the third laser channel are arranged on the laser transmission line;
laser of the first laser channel is divided into a first light beam and a second light beam through a first spectroscope (7), the second light beam enters the second laser channel, and the first laser channel is used for generating and outputting 1064nm infrared laser;
laser of the second laser channel is divided into a third light beam and a fourth light beam through a second spectroscope (8), the fourth light beam enters the third laser channel, and the second laser channel is used for generating and outputting 532nm green laser;
and the third laser channel is used for generating and outputting 355nm ultraviolet laser.
Preferably, the first laser channel comprises a pump laser (1), an erbium-doped fiber element (2), a fiber grating element (3), a laser crystal component (4) and a first spectroscope (7) which are arranged on the laser transmission line in sequence; the pump laser (1) outputs pulse pump light with wavelength of 808nm or 880nm at a preset frequency, the pulse pump light enters the fiber grating element (3) through the erbium-doped fiber element (2) for frequency selection modulation, and the pulse pump light after frequency selection modulation enters the laser crystal assembly (4) to form particle inversion to form 1064nm infrared laser.
Preferably, the second laser channel comprises a first reflector (9), a frequency doubling crystal and sum frequency crystal (11) and a first filter (5) which are arranged on the laser transmission line in sequence; the second light beam is reflected by the first reflecting mirror (9) to enter the frequency doubling crystal and the sum frequency crystal (11), part of 1064nm pulse infrared laser is converted into 532nm pulse green light, and the 1064nm pulse infrared laser and the 532nm pulse green light pass through the first filter (5) to output the 532nm pulse green light.
Preferably, the third laser channel comprises a second reflector (10), a frequency tripling crystal (12) and a second filter (6) which are arranged on the laser transmission line in sequence; the fourth light beam is emitted into a frequency tripling crystal (12) through the second reflector (10) for frequency summation to generate 355nm ultraviolet laser; the output end of the frequency tripling crystal (12) is cut by a Brinell angle, 1064nm infrared laser, 532nm green laser and 355nm ultraviolet laser are separated, and the 1064nm infrared laser, the 532nm green laser and the 355nm ultraviolet laser output the 355nm ultraviolet laser through second filtering.
Preferably, the device further comprises a first switch (13) and a second switch (14), wherein the first switch (13) and the second switch (14) are electro-optical switches; the first switch (13) controls the first spectroscope (7) to be turned on/off through an applied voltage; the second switch (14) controls the second beam splitter (8) to be switched on/off through an applied voltage.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the utility model discloses in, produce infrared laser through first laser channel, set up two frequency doubling crystal (11) and first wave filter (5) in the second laser channel and produced green glow laser to and set up frequency tripling crystal (12) and second wave filter (6) in the third laser channel and produce ultraviolet laser, realize the ultraviolet laser that can multiple different wavelength of multiple switching output, application scope is wide, moreover, compact structure, the volume is littleer.
Drawings
Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention.
Detailed description of the invention
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 efforts all belong to the protection scope of the present invention.
The utility model discloses a multi-wavelength, narrow linewidth ultraviolet laser generator, include: the first laser channel, the second laser channel and the third laser channel are arranged on the laser transmission line;
laser of the first laser channel is divided into a first light beam and a second light beam through a first spectroscope (7), the second light beam enters a second laser channel, and the first laser channel is used for generating and outputting 1064nm infrared laser;
laser of the second laser channel is divided into a third light beam and a fourth light beam through a second spectroscope (8), the fourth light beam enters the third laser channel, and the second laser channel is used for generating and outputting 532nm green laser;
and the third laser channel is used for generating and outputting 355nm ultraviolet laser.
Referring to fig. 1, the first laser channel includes a pump laser (1), an erbium-doped fiber element (2), a fiber grating element (3), a laser crystal assembly (4), and a first beam splitter (7) sequentially disposed on the laser transmission line; the pump laser (1) outputs pulse pump light with wavelength of 808nm or 880nm at a preset frequency, the pulse pump light enters the fiber grating element (3) through the erbium-doped fiber element (2) for frequency selection modulation, and the pulse pump light after frequency selection modulation enters the laser crystal component (4) to form particle inversion to form 1064nm infrared laser. The laser crystal component (4) converts laser provided by the pump laser (1) into 1064nm infrared laser which is coherent in space and time and has high parallelism and monochromaticity through an optical resonant cavity, and the fiber grating element (3) carries out narrow-band frequency modulation processing on the laser provided by the pump laser (1).
The second laser channel comprises a first reflector (9), a frequency doubling crystal and sum frequency crystal (11) and a first filter (5) which are arranged on the laser transmission line in sequence; the second light beam is reflected by the first reflector (9) to enter the frequency doubling crystal and the sum frequency crystal (11), part of 1064nm pulse infrared laser is converted into 532nm pulse green light, and the 1064nm pulse infrared laser and the 532nm pulse green light pass through the first filter (5) to output the 532nm pulse green light. Wherein, 1064nm pulse infrared laser generates frequency doubling effect through a frequency doubling crystal (11), and part of 1064nm pulse infrared laser is converted into 532nm pulse green laser and output.
The third laser channel comprises a second reflector (10), a frequency tripling crystal (12) and a second filter (6) which are arranged on the laser transmission line in sequence; the fourth light beam is emitted into a frequency tripling crystal (12) through a second reflector (10) for sum frequency to generate 355nm ultraviolet laser; the output end of the frequency tripling crystal (12) is cut by a Brinell angle, 1064nm infrared laser, 532nm green laser and 355nm ultraviolet laser are separated, the 1064nm infrared laser, the 532nm green laser and the 355nm ultraviolet laser output the 355nm ultraviolet laser through second filtering, wherein part of 532nm green laser and the rest 1064nm infrared laser in a fourth light beam sum frequency in frequency tripling to generate 355nm ultraviolet laser, the output end of the frequency tripling crystal (12) is cut by a Brinell angle, the 1064nm infrared laser, the 532nm green laser and the 355nm ultraviolet laser are separated, and the 355nm ultraviolet laser is emitted.
The embodiment of the utility model provides an in, still include first switch (13), second switch (14), first switch (13), second switch (14) are the lightning switch, first switch (13) are opened/close through impressed voltage control first spectroscope (7), second switch (14) are opened/close through impressed voltage control second spectroscope (8), when exerting voltage to first switch (13), first switch (13) are opened, the second laser channel is jeted into to the second light beam from first spectroscope (7), 532nm green glow laser is jeted out to the laser instrument, when exerting voltage to second switch (14), second switch (14) are opened, the third laser channel is jeted into to the fourth light beam from second spectroscope (8), 355nm ultraviolet laser is jeted out to the laser instrument.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A multi-wavelength, narrow linewidth ultraviolet laser generator, comprising: the first laser channel, the second laser channel and the third laser channel are arranged on the laser transmission line;
laser of the first laser channel is divided into a first light beam and a second light beam through a first spectroscope (7), the second light beam enters the second laser channel, and the first laser channel is used for generating and outputting 1064nm infrared laser;
laser of the second laser channel is divided into a third light beam and a fourth light beam through a second spectroscope (8), the fourth light beam enters the third laser channel, and the second laser channel is used for generating and outputting 532nm green laser;
and the third laser channel is used for generating and outputting 355nm ultraviolet laser.
2. A multi-wavelength, narrow linewidth uv laser generator as claimed in claim 1, wherein: the first laser channel comprises a pump laser (1), an erbium-doped optical fiber element (2), an optical fiber grating element (3), a laser crystal component (4) and a first spectroscope (7) which are arranged on a laser transmission line in sequence.
3. A multi-wavelength, narrow linewidth uv laser generator as claimed in claim 1, wherein: the second laser channel comprises a first reflector (9), a frequency doubling crystal, a sum frequency crystal (11) and a first filter (5) which are sequentially arranged on the laser transmission line.
4. A multi-wavelength, narrow linewidth uv laser generator as claimed in claim 1, wherein: the third laser channel comprises a second reflector (10), a frequency tripling crystal (12) and a second filter (6) which are arranged on the laser transmission line in sequence.
5. The multi-wavelength, narrow linewidth uv laser generator according to claim 1, further comprising a first switch (13), a second switch (14), said first switch (13), said second switch (14) being electro-optical switches; the first switch (13) controls the first spectroscope (7) to be turned on/off through an applied voltage; the second switch (14) controls the second beam splitter (8) to be switched on/off through an applied voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851521.4U CN217507919U (en) | 2022-07-19 | 2022-07-19 | Multi-wavelength narrow linewidth ultraviolet laser generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851521.4U CN217507919U (en) | 2022-07-19 | 2022-07-19 | Multi-wavelength narrow linewidth ultraviolet laser generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217507919U true CN217507919U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221851521.4U Active CN217507919U (en) | 2022-07-19 | 2022-07-19 | Multi-wavelength narrow linewidth ultraviolet laser generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217507919U (en) |
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2022
- 2022-07-19 CN CN202221851521.4U patent/CN217507919U/en active Active
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