CN213845826U - Pulse laser amplification system of polarized light double-end pump - Google Patents
Pulse laser amplification system of polarized light double-end pump Download PDFInfo
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- CN213845826U CN213845826U CN202023132509.1U CN202023132509U CN213845826U CN 213845826 U CN213845826 U CN 213845826U CN 202023132509 U CN202023132509 U CN 202023132509U CN 213845826 U CN213845826 U CN 213845826U
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Abstract
The utility model discloses a pulse laser amplification system of polarized light double-end pumping, which comprises a two-stage amplification light path; the first-stage amplification light path performs double-pass amplification on the S polarized light through a first laser crystal; s polarized light emitted by the first laser crystal in a double-pass mode is converted into P polarized light through the polarization assembly, and P polarized amplified laser is emitted; the second-stage amplification light path performs double-pass amplification on the P-polarized amplification laser through a second laser crystal to emit final amplification laser; the LD laser pumping assembly utilizes the pumping light generated by the two pumping sources to separate the S-polarized pumping light to pump the first laser crystal, and separate the P-polarized pumping light to pump the second laser crystal, so as to form a two-stage amplification double-end pumping structure. The utility model discloses a second grade amplifies the polarization pumping of light path with the difference, effectively improves the absorptivity of laser to the pump light, improves the light conversion rate to this amplified power that improves laser obtains higher quality facula quality.
Description
Technical Field
The utility model relates to the field of laser technology, especially, relate to a pulse laser amplification system of polarized light bi-polar pumping.
Background
In the existing pulse laser technology, seed light is optically amplified through a solid crystal, and the method is used as a mature technology for industrial production. Because the optical pulse stability of the technology is high, the single pulse energy is higher than that of the optical fiber laser output by a single tail fiber, the laser crystal absorbs the energy of the pump light at the solid amplification stage, the inversion number of the particles is increased, the seed light passes through the excited particles, and the optical power is amplified, so that the absorption of the crystal to the pump light is improved, and the whole amplification performance of the amplifier is improved.
However, the inventor of the present application finds that, because the polarization direction of the LD laser is random, the LD laser cannot be completely matched with the absorption polarization characteristics of the laser crystal, and thus the gain crystal cannot sufficiently absorb the pump light energy, which affects the light amplification effect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a pulse laser amplification system of polarized light double-ended pump, has solved the technical problem that the polarization direction of pump light and laser crystal's absorption polarization nature can't match completely among the prior art, through making the more effective and even incidence of pump light in the laser crystal to improve laser amplification's conversion efficiency.
The embodiment of the application provides a pulse laser amplification system of polarized light double-end pumping, includes: the laser comprises a seed laser, a two-stage amplification light path and an LD laser pumping component, wherein the two-stage amplification light path comprises a first-stage amplification light path and a second-stage amplification light path;
the seed laser generates S polarized seed light;
the first-stage amplification light path comprises a first laser crystal and a polarization component, and the first laser crystal is used for carrying out double-pass amplification on the S-polarized seed light; the S-polarized laser emitted by the first laser crystal in a double-pass mode is converted into P-polarized laser through the polarization assembly, and P-polarized amplified laser is emitted;
the second-stage amplification light path comprises a second laser crystal, and the second laser crystal is used for carrying out double-pass amplification on the P-polarized amplification laser again to emit final amplification laser;
the LD laser pumping assembly utilizes two pumping sources to generate randomly polarized pumping light, the S-polarized pumping light is separated out respectively to pump the first laser crystal, and the P-polarized pumping light is separated out to pump the second laser crystal, so that a two-stage amplification double-end pumping structure is formed.
Preferably, the LD laser pump assembly at least includes an LD laser, a collimating lens, a pump polarization beam splitter, and a focusing lens;
generating pump light by the LD laser;
expanding the pump light generated by the LD laser into parallel pump light through the collimating lens;
separating the pump light generated by the LD laser into S-polarized pump light and P-polarized pump light by the pump polarization beam splitter;
and focusing and emitting the S-polarized pump light into the first laser crystal or focusing and emitting the P-polarized pump light into the second laser crystal through the focusing lens.
Preferably, the polarization component comprises a laser polarization beam splitter, a Faraday magnetic rotator and an optical rotation sheet;
the laser polarization beam splitter is used for separating S-polarized seed light and P-polarized double-pass amplified laser in a light path;
the Faraday rotator rotates the polarization direction of laser by 45 degrees clockwise by utilizing the polarization state rotation effect of the laser transmitted in a magnetic field;
the optical rotation sheet is used for rotating the polarization directions of the laser in different directions by 45 degrees clockwise or anticlockwise, so that when the polarization direction of the laser passing for the first time rotates by 45 degrees anticlockwise and returns to pass, the laser rotates by 45 degrees clockwise.
Preferably, the first-stage amplification optical path further includes a first 45 ° dichroic mirror and a first 90 ° dichroic mirror;
the S-polarized pump light is transmitted through the first 45-degree dichroic mirror, and S-polarized seed light and S-polarized double-pass amplified laser are reflected;
the S-polarized pump light is transmitted through the first 90-degree dichroic mirror, and the S-polarized one-pass amplified laser emitted from the first laser crystal is reflected, so that the one-pass amplified laser returns to the first laser crystal along the original path and is amplified again.
Preferably, the second-stage amplification light path further comprises a second 45 ° dichroic mirror, a second 90 ° dichroic mirror,
the second 45-degree dichroic mirror is used for transmitting the P-polarized pump light and reflecting the P-polarized double-pass amplified laser and the final amplified laser;
the second 90-degree dichroic mirror is used for transmitting the P-polarized pump light, reflecting the P-polarized one-pass amplified laser emitted from the second laser crystal, and returning the P-polarized one-pass amplified laser to the second laser crystal along the original path for re-amplification.
Preferably, the optical axes of the first laser crystal and the second laser crystal are disposed perpendicular to each other, and the optical axis direction of the first laser crystal/the second laser crystal is parallel to the polarization direction of the pump light projected on the corresponding laser crystal.
Preferably, the first laser crystal and the second laser crystal adopt a crystal structure including Nd: YVO4 crystal, Nd: GdVO4 crystal, Yb: a laser crystal having an absorption spectrum including YVO4 crystal and polarization characteristics.
Preferably, the second-stage amplification optical path and the LD laser pumping assembly further include a plurality of mirrors, and the mirrors reflect an incident optical axis to guide the optical axis to propagate along a preset optical path.
Preferably, the laser amplification device further comprises a power meter, wherein the power meter is communicated with the second 45 ° dichroic mirror and is used for measuring the power of the final amplified laser emitted from the second 45 ° dichroic mirror.
The polarized light double-end pumped pulse laser amplification system provided in the embodiment of the application at least has the following technical effects:
because seed light is enlargied through the second grade in proper order, and first order enlargies the light path and the second grade enlargies the light path and adopts different polarization pumping, effectively improves the absorption rate of laser to the pump light, improves light conversion rate to this amplification power who improves laser obtains higher-quality facula quality.
2, because two LD laser pumps are adopted, the pump end of each LD laser is provided with a pump polarization beam splitter, each stage of amplification adopts pi-direction polarized pump light with large absorption coefficient, and the pump polarization beam splitters project the corresponding polarized pump light to two ends of the laser crystal, thereby realizing a double-end-face pump structure; through two amplifying stages of the seed light in turn, the pumping light is more effectively and uniformly incident to the laser crystal, so that the light-light conversion efficiency is improved.
Drawings
Fig. 1 is an optical path diagram of a polarized light double-end pumped pulse laser amplification system according to an embodiment of the present application.
Reference numerals:
the laser includes a seed laser 100, a first laser crystal 210, a laser polarization beam splitter 221, a faraday rotator 222, an optical rotation sheet 223, a first 45 ° dichroic mirror 224, a first 90 ° dichroic mirror 225, a second laser crystal 310, a second 45 ° dichroic mirror 321, a second 90 ° dichroic mirror 322, a first reflecting mirror 323, a second reflecting mirror 324, a third reflecting mirror 325, a first LD laser 411, a first collimating lens 412, a first pumping polarization beam splitter 413, a first focusing lens 414, a second focusing lens 415, a fourth reflecting mirror 416, a fifth reflecting mirror 417, a sixth reflecting mirror 418, a seventh reflecting mirror 419, a second laser LD 421, a second collimating lens 422, a second pumping polarization beam splitter 423, a third focusing lens 424, and a fourth focusing lens 425.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1, an embodiment of the present application provides a polarized light double-end pumped pulse laser amplification system, including: the laser comprises a seed laser 100, a two-stage amplification light path and an LD laser pumping assembly, wherein the two-stage amplification light path comprises a first-stage amplification light path and a second-stage amplification light path.
The seed laser 100 in the present embodiment generates S-polarized seed light. Further, the seed laser 100 in the present embodiment employs a picosecond seed laser 100.
The first-stage amplification light path in the embodiment includes a first laser crystal 210 and a polarization component, and the first laser crystal 210 is used for carrying out double-pass amplification on the S-polarized seed light; the S-polarized laser light emitted by the first laser crystal 210 in a double-pass manner is converted into P-polarized laser light by the polarization component, and P-polarized amplified laser light is emitted. Further, in the first-stage amplification optical path, the wavelength and the line width of the S-polarized pump light absorbed by the first laser crystal 210 are matched with the absorption spectrum of the first laser crystal 210.
Further, the polarization component in this embodiment includes a laser polarization beam splitter 221, a faraday rotator 222, and an optical rotation plate 223; the laser polarization beam splitter 221 is configured to separate the S-polarized seed light and the P-polarized double-pass amplified laser in the optical path; the faraday rotator 222 uses the polarization state rotation effect of laser propagating in the magnetic field to rotate the polarization direction of the laser clockwise by 45 °, that is, the seed light in the first optical path rotates clockwise by 45 °, and the double-pass amplified laser that passes through again rotates clockwise by 45 °.
The optical rotation plate 223 is used to rotate the polarization direction of the laser light with different propagation directions by 45 ° clockwise or counterclockwise, so that when the polarization direction of the first-passed laser light is rotated by 45 ° counterclockwise and then returns to pass again, it is rotated by 45 ° clockwise. Further, when the seed light passes through the optical path for the first time, the seed light sequentially passes through the faraday rotator 222 and the optical rotation plate 223, the polarization direction is maintained as the S-polarized light, after the laser light passes through the first amplification optical path in a double-pass manner, the laser light passes through the polarization assembly again, sequentially passes through the optical rotation plate and the faraday rotator, the polarization direction is rotated by 90 degrees, and the P-polarized light is obtained.
The first-stage amplification optical path in this embodiment further includes a first 45 ° dichroic mirror 224, a first 90 ° dichroic mirror 225; the S-polarized pump light is transmitted through a first 45-degree dichroic mirror 224, and S-polarized seed light and S-polarized double-pass amplified laser light are reflected; the S-polarized pump light is transmitted by the first 90 ° dichroic mirror 225, and the S-polarized first-pass amplified laser light emitted from the first laser crystal 210 is reflected, so that the first-pass amplified laser light returns to the first laser crystal 210 along the original path and is amplified again.
The second-stage amplification optical path in this embodiment includes a second laser crystal 310, and performs double-pass amplification on the received P-polarized light through the second laser crystal 310 to emit final amplified laser light. Further, in the second stage amplification optical path, the wavelength and the line width of the P-polarized pump light absorbed by the second laser crystal 310 are matched with the absorption spectrum of the second laser crystal 310.
The second-stage amplification light path in this embodiment further includes a second 45 ° dichroic mirror 321 and a second 90 ° dichroic mirror 322, and transmits the P-polarized pump light through the second 45 ° dichroic mirror 321, and reflects the P-polarized bi-pass amplified laser light and the final amplified laser light; the P-polarized pump light is transmitted through the second 90 ° dichroic mirror 322, and the P-polarized first-pass amplified laser light emitted from the second laser crystal is reflected, so that the P-polarized first-pass amplified laser light returns to the second laser crystal 310 along the original path to be amplified again.
The first laser crystal 210 and the second laser crystal 310 in this embodiment are disposed perpendicular to each other, and the optical axis direction of the S-polarization or the P-polarization is parallel to the polarization direction of the pump light projected on the corresponding laser crystal.
In one embodiment, first laser crystal 210 and second laser crystal 310 employ a laser including, but not limited to, Nd: YVO4 crystal, Nd: GdVO4 crystal, Yb: a laser crystal having an absorption spectrum including YVO4 crystal and polarization characteristics.
The LD laser pumping assembly in this embodiment generates randomly polarized pump light by using two pump sources, separates the S-polarized pump light to pump the first laser crystal 210, and separates the P-polarized pump light to pump the second laser crystal 310, thereby forming a two-stage amplification two-end pumping structure.
Further, in order to conform to the absorption and emission spectrum line diagram of the laser crystal, if the pump light is pi-polarized light, the amplified seed light/polarized laser light is also pi-polarized, and further, in this embodiment, the first laser crystal 210 receives S-polarized pump light, and the amplified seed light/laser light is also S-polarized laser light; meanwhile, the second laser crystal 310 receives P-polarized pump light, and the amplified laser light is also P-polarized laser light. Through the first laser crystal 210 in the first-stage amplification light path of bi-pass, the second laser crystal 310 in the second-stage amplification light path of bi-pass in proper order with seed light to improve the power of amplifying laser more effectively evenly, promptly, through improving laser crystal when to the pump light absorptivity, improve light conversion rate, thereby realize optimizing the facula quality of amplifying laser.
Further, the LD laser pump assembly in this embodiment separates the randomly polarized pump light into S-polarized pump light and P-polarized pump light, and then the S-polarized pump light is incident into the first laser crystal 210, and the P-polarized pump light is incident into the second laser crystal 310. That is, the S-polarized pump light of the two pump sources is projected within the first laser crystal 210 and the P-polarized pump light of the two pump sources is projected within the second laser crystal 310.
In one embodiment, the LD laser pumping optical path includes at least an LD laser, a collimating lens, a pump polarization beam splitter, and a focusing lens; generating pump light by an LD laser; expanding the pump light generated by the LD laser into parallel pump light through a collimating lens; separating the parallel pump light into S polarized pump light and P polarized pump light by a pump polarization beam splitter; the S-polarized pump light is focused by the focusing lens into the first laser crystal 210 or the P-polarized pump light is focused into the second laser crystal 310.
Further, the LD laser pumping assembly includes a first LD pumping assembly and a second LD pumping assembly, the first LD pumping assembly includes a first LD laser 411, a first collimating lens 412, a first pump polarization beam splitter 413, a first focusing lens 414, and a second focusing lens 415; the second LD pump assembly includes a second LD laser 421, a second collimating lens 422, a second pump polarization beam splitter 423, a third focusing lens 424, and a fourth focusing lens 425.
Further, in this embodiment, the absorption polarization characteristics of the first laser crystal 210 and the second laser crystal 310 to the pump light are sequentially utilized, so that the pump light is more effectively and uniformly incident into the laser crystal, and the light-to-light conversion efficiency is improved. In one embodiment, a metal such as Nd: YVO4 crystal and Nd: absorption polarization characteristics of the GdVO4 crystal, generally, absorption of pi-polarized (pi-polarized is not limited to S-polarized, P-polarized) light (E/C) is larger than absorption of sigma-polarized light (E ≠ C). Adding a mixed solution of Nd: YVO4 crystal is exemplified by Nd: the YVO4 crystal absorbs pi polarized light about 2 times as much as sigma polarized light (i.e., the absorption line width is also 2 times). Nd: the absorption of the GdVO4 crystal for pi polarized light is about 4 times that for sigma polarized light. Because of the randomness of the polarization direction of the pump source LD laser, the present embodiment utilizes a Polarization Beam Splitter (PBS) to split the pump light, and further, in the present embodiment, the pump light is split into P-polarized pump light and S-polarized pump light which are perpendicular to each other, and the P-polarized pump light and the S-polarized pump light are respectively projected onto the laser crystal whose optical axes are perpendicular to each other, and the second-order amplification is performed, so that the pump light is more uniformly and effectively incident into the laser crystal, and further, the laser crystal fully absorbs the energy of the pump light to obtain more inversion numbers of activated particles.
In addition, the second-stage amplification optical path and the LD laser pumping assembly in this embodiment further include a plurality of mirrors, and reflect the incident optical axis through the mirrors to guide the optical axis to propagate along the preset optical path. Further, the mirror in the present embodiment includes: a first mirror 323, a second mirror 324 and a third mirror 325 on the second-stage amplification light path; the first LD pump assembly includes a fourth mirror 416, a fifth mirror 417, a sixth mirror 418, and a seventh mirror 419.
In summary, the working process of the polarized light double-end pumped pulse laser amplification system in this embodiment is as follows:
the pump light emitted by the first LD laser 411 is changed into expanded parallel pump light after passing through the first collimating lens 412, and then passes through the first pump polarization beam splitter 413 to separate S-polarized pump light and P-polarized pump light, the S-polarized pump light is reflected on the surface of the first pump polarization beam splitter 413, reflected by the fourth mirror 416, enters the first focusing lens 414 for focusing, then transmits through the first 90 ° dichroic mirror 225, and is focused and incident from one side of the first laser crystal 210; the P-polarized pump light is transmitted through the first pump polarization beam splitter 413, reflected by the fifth mirror 417 and the sixth mirror 418 in sequence, focused by the second focusing lens 415, reflected by the seventh mirror 419, transmitted through the second 90 ° dichroic mirror 322, and focused by one side of the second laser crystal 310.
The pump light emitted by the second LD laser 421 passes through the second collimating lens 422, becomes expanded parallel pump light, passes through the second pump polarization beam splitter 423, and is separated into S-polarized pump light and P-polarized pump light, the S-polarized pump light is reflected on the surface of the second pump polarization beam splitter 423, enters the third focusing lens 424 for focusing, transmits through the first 45 ° dichroic mirror 224, and is focused and incident from the other side of the first laser crystal 210; the P-polarized pump light is transmitted through the second pump polarization beam splitter 423, enters the fourth focusing lens 425 for focusing, transmits through the second 45 ° dichroic mirror 321, and is focused and incident from the other side of the second laser crystal 310.
The seed laser 100 generates and emits S-polarized seed light into the first stage amplification path.
The seed light is reflected by the laser polarization beam splitter 221, and passes through the faraday rotator 222 and the optical rotation plate 223 in sequence, and the polarization direction of the S-polarized seed light is unchanged and is still S-polarized. Further, the S-polarized seed light enters the first laser crystal 210 after being reflected on the surface of the first 45 ° dichroic mirror 224, so that a first pass of the first laser crystal 210 is amplified and then emitted, an output pass of the amplified laser is reflected on the surface of the first 90 ° dichroic mirror 225, and returns to the first laser crystal 210 along the original path, and is emitted after being amplified by a second pass of the first laser crystal 210, and is reflected on the surface of the first 45 ° dichroic mirror 224, and then passes through the glare sheet and the faraday rotator 222 in sequence, so that the S-polarized double-pass amplified laser after the first-stage double-pass amplification is changed into the P-polarized double-pass amplified laser, and is transmitted through the first pump polarization beam splitter 413 to be transmitted as the P-polarized double-pass amplified laser, and then enters the second-stage amplified light path.
The P-polarized double-pass amplified laser in the second-stage amplification light path sequentially passes through the surface of the first reflector 323, the surface of the second reflector 324 and the surface of the third reflector 325 for reflection, and is incident on the surface of the second 45-degree dichroic mirror 321 at a certain small angle, and enters the second laser crystal 310 after being reflected by the surface of the second 45-degree dichroic mirror 321, so that the second laser crystal 310 is emitted after being amplified, is reflected by the surface of the second 90-degree dichroic mirror 322, returns to the second laser crystal 310 along the original path, is emitted after being amplified by two passes through the second laser crystal 310, and is reflected by the surface of the second 45-degree dichroic mirror 321 to emit final amplified laser. And the power of the finally amplified laser is measured by a power meter.
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 to the present invention 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 and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. A pulse laser amplification system of polarized light double-end pumping is characterized by comprising a seed laser, a two-stage amplification light path and an LD laser pumping component, wherein the two-stage amplification light path comprises a first-stage amplification light path and a second-stage amplification light path;
the seed laser generates S polarized seed light;
the first-stage amplification light path comprises a first laser crystal and a polarization component, and the first laser crystal is used for carrying out double-pass amplification on the S-polarized seed light; the S-polarized laser emitted by the first laser crystal in a double-pass mode is converted into P-polarized laser through the polarization assembly, and P-polarized amplified laser is emitted;
the second-stage amplification light path comprises a second laser crystal, and the second laser crystal is used for carrying out double-pass amplification on the P-polarized amplification laser again to emit final amplification laser;
the LD laser pumping assembly utilizes two pumping sources to generate randomly polarized pumping light, the S-polarized pumping light is separated out respectively to pump the first laser crystal, and the P-polarized pumping light is separated out to pump the second laser crystal, so that a two-stage amplification double-end pumping structure is formed.
2. The polarized-light double-end pumped pulse laser amplification system of claim 1, wherein the LD laser pump assembly comprises at least an LD laser, a collimating lens, a pump polarization beam splitter, a focusing lens;
generating pump light by the LD laser;
expanding the pump light generated by the LD laser into parallel pump light through the collimating lens;
separating the parallel pump light into S-polarized pump light and P-polarized pump light by the pump polarization beam splitter;
and focusing and emitting the S-polarized pump light into the first laser crystal or focusing and emitting the P-polarized pump light into the second laser crystal through the focusing lens.
3. The polarized-light double-end pumped pulse laser amplification system of claim 1, wherein the polarization component comprises a laser polarization beam splitter, a faraday rotator, an optical rotation plate;
the laser polarization beam splitter is used for separating S-polarized seed light and P-polarized double-pass amplified laser in a light path;
the Faraday rotator rotates the polarization direction of laser by 45 degrees clockwise by utilizing the polarization state rotation effect of the laser transmitted in a magnetic field;
the optical rotation sheet is used for rotating the polarization directions of the laser beams which are transmitted in different directions by 45 degrees clockwise or anticlockwise, so that when the polarization direction of the laser beam which passes through for the first time is rotated by 45 degrees anticlockwise and returns to pass through again, the laser beam rotates by 45 degrees clockwise.
4. The polarized-light double-end pumped pulsed laser amplification system of claim 1, wherein the first-stage amplification optical path further comprises a first 45 ° dichroic mirror, a first 90 ° dichroic mirror;
the S-polarized pump light is transmitted through the first 45-degree dichroic mirror, and S-polarized seed light and S-polarized double-pass amplified laser are reflected;
the S-polarized pump light is transmitted through the first 90-degree dichroic mirror, and the S-polarized one-pass amplified laser emitted from the first laser crystal is reflected, so that the one-pass amplified laser returns to the first laser crystal along the original path and is amplified again.
5. The polarized-light double-end pumped pulsed laser amplification system of claim 1, wherein said second-stage amplification optical path further comprises a second 45 ° dichroic mirror, a second 90 ° dichroic mirror,
transmitting the P-polarized pump light through the second 45-degree dichroic mirror, and reflecting the P-polarized bi-pass amplified laser and the final amplified laser;
and transmitting the P-polarized pump light through the second 90-degree dichroic mirror, reflecting the P-polarized one-pass amplified laser emitted from the second laser crystal, and returning the P-polarized one-pass amplified laser to the second laser crystal along the original path for re-amplification.
6. The polarized-light double-end pumped pulse laser amplification system of claim 1, wherein the optical axes of the first laser crystal and the second laser crystal are disposed perpendicular to each other, and the direction of the optical axis of the first laser crystal/the second laser crystal is parallel to the polarization direction of the pump light projected on the corresponding laser crystal.
7. The polarized-light double-end pumped pulsed laser amplification system of claim 1, wherein the first laser crystal and the second laser crystal employ a laser comprising Nd: YVO4 crystal, Nd: GdVO4 crystal, Yb: a laser crystal having an absorption spectrum including YVO4 crystal and polarization characteristics.
8. The polarized light double-end pumped pulse laser amplification system of claim 1, further comprising a plurality of mirrors on the second-stage amplification optical path and the LD laser pump assembly, wherein the mirrors reflect the incident optical axis to guide the optical axis to propagate along the predetermined optical path.
9. The polarized-light double-end pumped pulsed laser amplification system of claim 5, further comprising a power meter in communication with the second 45 ° dichroic mirror for measuring the power of the finally amplified laser light exiting the second 45 ° dichroic mirror.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809627A (en) * | 2021-11-18 | 2021-12-17 | 北京盛镭科技有限公司 | Laser amplifier |
| CN115832850A (en) * | 2023-02-15 | 2023-03-21 | 北京中星时代科技有限公司 | Laser amplification method of LD pumping laser amplifier |
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2020
- 2020-12-23 CN CN202023132509.1U patent/CN213845826U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113809627A (en) * | 2021-11-18 | 2021-12-17 | 北京盛镭科技有限公司 | Laser amplifier |
| CN113809627B (en) * | 2021-11-18 | 2022-03-01 | 北京盛镭科技有限公司 | Laser amplifier |
| CN115832850A (en) * | 2023-02-15 | 2023-03-21 | 北京中星时代科技有限公司 | Laser amplification method of LD pumping laser amplifier |
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