CN210007100U - kinds of optical parametric oscillator - Google Patents
kinds of optical parametric oscillator Download PDFInfo
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- CN210007100U CN210007100U CN201920726100.0U CN201920726100U CN210007100U CN 210007100 U CN210007100 U CN 210007100U CN 201920726100 U CN201920726100 U CN 201920726100U CN 210007100 U CN210007100 U CN 210007100U
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Abstract
optical parametric oscillator comprises a pump laser source device for generating pump light, a pump light control device for receiving the pump light and adjusting the spot size and polarization direction of the pump light, including a dichroic mirror, and guiding out the adjusted pump light through the dichroic mirror, a resonant cavity device including a nonlinear optical crystal, a high-reflectivity cavity mirror and an output coupling mirror, wherein the nonlinear optical crystal is arranged between the high-reflectivity cavity mirror and the output coupling mirror, the nonlinear optical crystal is used for receiving the pump light guided out by the dichroic mirror and generating signal light and idle frequency light and guiding out the signal light and the idle frequency light to the high-reflectivity cavity mirror, a preset included angle is formed between the normal direction of the high-reflectivity cavity mirror and the direction of the pump light and used for reflecting the pump light to the nonlinear optical crystal so that the reflected pump light and the incident pump light form quasi-collinearity in the crystal, and the signal light and the idle frequency light are output through the dichroic mirror and the output coupling mirror in sequence.
Description
Technical Field
The utility model relates to a laser instrument field especially relates to kinds of optical parametric oscillator.
Background
The working principle of common lasers is based on the population inversion of a gain medium, stimulated radiation amplification is carried out through frequency selection and feedback of a resonant cavity, and then coherent laser light is output, the optical parametric oscillator is based on second-order nonlinear optical conversion of a nonlinear medium in principle, pump laser light is converted into two beams of laser light in the nonlinear medium, beams of the pump laser light are signal light, the other beam of the pump laser light is idle frequency light, and then nonlinear optical conversion amplification is carried out through frequency selection and feedback of the resonant cavity, and then the coherent laser light is output.
The output energy of the optical parametric oscillator is mainly limited by energy conversion efficiency and the highest pump laser energy, wherein the highest pump laser energy is limited by the power density damage threshold of the nonlinear optical crystal and each optical element, so that the key point for improving the output energy is to reasonably design a resonant cavity so as to improve the energy conversion efficiency of the optical parametric oscillator.
Disclosure of Invention
() problems to be solved
Based on the above problem, the utility model provides an kinds of optical parametric oscillator, through reasonable configuration resonant cavity isotructure with the pumping light generation two bundles of accurate collineation pumping light, energy conversion efficiency can be improved in reasonable resonant cavity design, how to improve the highest pumping energy under the damage threshold value condition not being exceeded in addition to the monopulse output energy that improves conversion efficiency, it also can improve conversion efficiency to improve the pumping energy to degree, in order to overcome the output energy of current high energy pulse optical parametric oscillator and the not enough in the energy conversion efficiency.
(II) technical scheme
The utility model provides an kinds of optical parametric oscillator, including pump laser source device 100, be used for producing the pump light, pump light controlling means 200, be used for receiving the pump light, and adjust the facula size and the polarization direction of pump light, including dichroic mirror 208, and derive the pump light after adjusting through dichroic mirror 208, resonant cavity device 300, including nonlinear optical crystal 301, high reflectivity chamber mirror 302 and output coupling mirror 303, wherein, nonlinear optical crystal 301 locates between high reflectivity chamber mirror 302 and the output coupling mirror 303, dichroic mirror 208 locates between output coupling mirror 303 and nonlinear optical crystal 301, nonlinear optical crystal 301 is used for receiving the pump light that dichroic mirror 208 derived and realizes that nonlinear optical conversion generates signal light and idle frequency light, and derive it to high reflectivity chamber mirror 302, the normal direction of high reflectivity chamber mirror 302 is equipped with the preset contained angle with the pump light direction, be used for reflecting the pump light to nonlinear optical crystal 301, so that reflected pump light and the incident pump light form quasi-alignment in the crystal inside, two bundles of quasi-optical coupling collineatly light and pump light generated signal light and quasi-alignment output mirror 303 loop through the output-collineatly mirror 303.
Optionally, the pump light control apparatus 200 further includes a high-energy absorption diaphragm 202, a polarization beam splitting cube 204, and a lens 207 in sequence along the light path direction, and half-wave plates 203 are respectively arranged before and after the polarization beam splitting cube 204 and are respectively a half-wave plate and a second half-wave plate, the half-wave plate and the second half-wave plate are rotatable, light path calibration diaphragms 206 are respectively arranged before and after the lens 207 and are respectively a light path calibration diaphragm and a second light path calibration diaphragm, wherein the high-energy absorption diaphragm 202 is used for limiting the spot size of the pump light and absorbing the pump light deflected by the resonant cavity light path to protect the pump laser source apparatus 100 from being damaged by the returned pump light, the half-wave plate 203 is used for rotating the linear polarization direction of the pump light, the polarization beam splitting cube 204 is used for separating the horizontal polarization component and the vertical polarization component of the pump light and transmitting the vertical polarization component of the pump light to the second half-wave plate, the light path calibration diaphragm 206 is used for calibrating the pump light path, the lens 207 is used for adjusting the spot size of.
Alternatively, the lens 207 includes a planoconvex lens 2071 and a planoconcave lens 2072, and the planar portions of the planoconvex lens 2071 and the planoconcave lens 2072 are arranged relatively in parallel and the distance therebetween is the sum of the focal lengths of the planoconvex lens 2071 and the planoconcave lens 2072.
Optionally, a preset included angle between the normal direction of the high-reflectivity cavity mirror 302 and the direction of the pump light is less than or equal to 0.3 °.
Optionally, the resonator device 300 further comprises an electric actuator system 304, and a nonlinear optical crystal 301 is disposed on an upper surface of the electric actuator system for rotating the nonlinear optical crystal 301.
Optionally, the electric actuator system 304 includes a crystal fixing column 3041, a rotating arm 3042, a rotating platform 3043, a dc servo electric actuator 3044, a return spring 3045 and a sapphire pad 3046, wherein the crystal fixing column 3041 is used for carrying the nonlinear optical crystal 301, the crystal fixing column 3041 is fixed at the end of the rotating arm 3042, the rotating arm 3042 is coupled to the rotating platform 3043, the dc servo electric actuator 3044 is vertically connected to the other end of the rotating arm 3042 through the sapphire pad 3046, the end of the return spring 3045 is vertically connected to the end of the rotating arm 3042, and the other end of the return spring 3045 is fixed.
Optionally, the light output from the output coupling mirror 303 further includes a residual pump light, and the optical parametric oscillator further includes a monitoring control system 400, and the monitoring control system 400 includes a th color filter 401, a second color filter 402, and an idler high-reflection mirror 403, wherein the th color filter 401 is configured to filter the residual pump light and transmit the filtered light beam to the second color filter 402, and the second color filter 402 is configured to split the idler light and the signal light and transmit the idler light to the idler high-reflection mirror 403.
Optionally, the monitoring and control system 400 further includes a beam sampling mirror 404, a fiber spectrometer 405, a control computer 406, and an actuator controller 407, wherein the beam sampling mirror 404 is used for reflecting a portion of the signal light to the fiber spectrometer 405, the fiber spectrometer 405 is used for measuring the wavelength of the signal light, and the control computer 406 is used for displaying the wavelength in real time and controlling the rotation of the electric actuator system 304 by using the actuator controller 407.
Optionally, the pump light control device 200 further comprises a laser energy collector 205 for collecting the residual pump light and the horizontally polarized pump light split out by the polarization beam splitter cube 204.
Optionally, the pump light control device 200 further comprises a plurality of high reflecting mirrors 201 for changing the direction of the pump light.
(III) advantageous effects
The utility model provides an kinds of optical parametric oscillator has following beneficial effect at least:
(1) on the premise of ensuring that the power density of the pump light is not greater than the damage threshold of the nonlinear optical crystal and each optical element, the pump light control device 200 capable of continuously adjusting the energy of the pump light is utilized to obtain the power density of the pump light as high as possible, so that the energy conversion efficiency of nonlinear optical conversion is improved;
(2) on the premise of ensuring that the power density of the pump light is not greater than the damage threshold of the nonlinear optical crystal and each optical element, the diameter of a large pump light spot is obtained by using a pump light control device 200 capable of regulating and controlling the size of the pump light spot, and the highest single-pulse pump energy and output pulse energy are improved;
(3) the light path design of quasi-collinear double-pass pumping is adopted, so that the conversion efficiency of pumping laser energy is improved;
(4) the output coupling mirror 303 with the optimal reflectivity determined by experiments is adopted to ensure the optimal pump light energy conversion efficiency;
(5) under the premise of ensuring that reverse nonlinear optical conversion (namely, reverse sum frequency conversion of signal light and idler frequency light into pump light) does not occur, a large-size (optical path length) nonlinear optical crystal is adopted, so that the optical energy gain in the nonlinear optical conversion process is improved, and the spectral line width of the output pump light is compressed.
Drawings
Fig. 1 schematically illustrates a structural schematic diagram of an optical parametric oscillator of an embodiment of the present disclosure;
fig. 2 schematically illustrates a top view of the structure of an electric actuator system 304 of an embodiment of the present disclosure;
fig. 3 schematically illustrates a right side view of the structure of an electric actuator system 304 of an embodiment of the present disclosure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in with reference to the following embodiments.
The utility model provides an kinds of optical parametric oscillator, refer to fig. 1, including pump laser source device 100 for producing the pump light, pump light controlling means 200 for receiving the pump light, and adjust the spot size and the polarization direction of the pump light, including dichroic mirror 208, and export the pump light after adjusting through dichroic mirror 208, resonant cavity device 300, including nonlinear optical crystal 301, high reflectivity chamber mirror 302 and output coupling mirror 303, wherein, nonlinear optical crystal 301 locates between high reflectivity chamber mirror 302 and the output coupling mirror 303 that parallel compact was placed, dichroic mirror 208 locates between output coupling mirror 303 and nonlinear optical crystal 301, nonlinear optical crystal 301 is used for receiving the pump light that dichroic mirror 208 exported and realizes that nonlinear optical conversion generates signal light and idle frequency light, and exports it to high reflectivity chamber mirror 302, the normal direction of high reflectivity chamber mirror 302 is equipped with the preset contained angle with the pump light direction, is used for reflecting the pump light to nonlinear optical crystal 301, so that the reflected pump light forms two bundles of optical wavelength in the crystal with the incident pump light, generate the quasi-collinear pump light and the pump light of this scheme output the mirror 303 as the case of the following KT crystal 301 nm.
A pump laser source device 100 for generating pump light;
specifically, the embodiment of the present invention provides a pump laser source device 100 with a pulse repetition frequency of 10Hz, a pulse width of 10ns, and a light spot diameter of 10mm Nd: YAG laser, which is used as pumping source in the nonlinear optical conversion process of optical parametric oscillator and is generated by frequency doubling crystal second harmonic laser with wavelength of 532 nm.
A pumping light control device 200 for receiving the pumping light, adjusting the spot size and the polarization direction of the pumping light, including a dichroic mirror 208, and guiding out the adjusted pumping light through the dichroic mirror 208;
the optical fiber laser device comprises a pump laser source device 100, a pump light control device 200, a pump light guide device 300, a pump light guide device 202, a pump light guide device 204, a pump light guide device 300, a pump light guide device 204, a pump light guide device 202, a high-energy absorption diaphragm 202, a polarization beam splitting cube 204, a lens 207, a dichroic mirror 208, a polarization beam splitting cube 204, a collimating lens 203, a collimating lens 206, a collimating optical fiber optics, a collimating aperture of 40mm, a pump light guide device aperture of 9mm, a pump light guide device 6855, a pump light energy limiting device 732, a pump light guide device 300, a pump light guide device 202, a pump light guide device 300, a pump light guide device 100, a pump light guide device, a pump.
This pumping light controlling means 200 still includes a plurality of high-reflection mirrors 201 for change the direction of pumping light, the utility model discloses the pumping light that pump laser source device 100 produced is perpendicular to being in high energy absorption diaphragm 202 behind 3 high-reflection mirrors 201 redirecting, and the pumping light of the vertical polarization that jets out from polarization beam splitting cube 204 is perpendicular to being in the second half-wave plate behind high-reflection mirrors 201, and the pumping light that jets out from the second half-wave plate is perpendicular to being in light path calibration diaphragm behind high-reflection mirrors 201, and the pumping light that jets out from the second light path calibration diaphragm jets out in dichroscope 208 behind high-reflection mirrors 201.
The resonant cavity device 300 comprises a nonlinear optical crystal 301, a high-reflectivity cavity mirror 302 and an output coupling mirror 303, wherein the nonlinear optical crystal 301 is arranged between the high-reflectivity cavity mirror 302 and the output coupling mirror 303, the dichroic mirror 208 is arranged between the output coupling mirror 303 and the nonlinear optical crystal 301, and the nonlinear optical crystal 301 is used for receiving the pump light led out by the dichroic mirror 208, realizing nonlinear optical conversion to generate signal light and idler frequency light and leading the signal light and the idler frequency light out to the high-reflectivity cavity mirror 302; a preset included angle is formed between the normal direction of the high-reflectivity cavity mirror 302 and the direction of the pump light, and is used for reflecting the pump light to the nonlinear optical crystal 301, so that the reflected pump light and the incident pump light form quasi-collinearity in the crystal, and signal light and idler frequency light generated by the two quasi-collinearity pump lights are output through the dichroic mirror 208 and the output coupling mirror 303 in sequence.
The nonlinear optical crystal 301 is placed in the resonant cavity and used for obtaining the optical energy gain of nonlinear optical conversion, the nonlinear optical crystal with large optical path length is adopted on the premise of ensuring no reverse nonlinear optical conversion, the optical energy gain in the nonlinear optical conversion process is improved, the line width of the output pump light is compressed, and the material of the nonlinear optical crystal 301 can be KTP (KTiOPO)4)、LNB(LiNbO3) Etc. in the embodiment of the utility model, the KTP crystal is adopted to nonlinear optical crystal 301's material, and nonlinear optical crystal 301 locates between high reflectivity chamber mirror 302 and the output coupling mirror 303 forThe embodiment of the invention provides a novel optical energy gain device for realizing nonlinear optical conversion optical energy gain, a KTP crystal has the advantages of high damage threshold, high nonlinear coefficient, low temperature-sensitive coefficient and the like, the embodiment of the invention adopts two mutually replaceable KTP crystals according to a required output wavelength range, the sizes of the KTP crystals are both 14mm 9mm 20mm, two surfaces of 14mm 9mm are light-passing surfaces, the light-passing surfaces are both plated with broadband antireflection films, main shaft planes are xz surfaces, cutting angles are phi 0 degrees, theta 70 degrees and theta 53 degrees, II-type phase matching is adopted, a dichroic mirror 208 is arranged between an output coupling mirror 303 and a nonlinear optical crystal 301, the nonlinear optical crystal 301 is used for receiving pump light led out by a dichroic mirror 208 and realizing nonlinear optical conversion to generate signal light and idle frequency light, and leading the signal light out to the idle frequency mirror 302, the high-reflectivity cavity mirror 302 has high reflectivity at a pumping light control device, the pumping light source can enable the pump light to pass through the nonlinear optical crystal 301 twice, the pump light source 301 can realize the double-pass through the nonlinear optical parametric process, the double-pass through the nonlinear optical crystal 301, the pump light source 301, the efficiency is improved, the efficiency is simultaneously eliminated, the high-frequency reflection efficiency of the nonlinear optical conversion of the nonlinear optical pumping light generated by the nonlinear optical reflection of the collinear optical crystal 301, the nonlinear optical output light, the high-frequency reflection of the high-frequency reflection optical pumping light is ensured, the high-frequency reflection of the high-frequency reflection optical pumping light reflected by the high-frequency reflection light reflected by the high-frequency optical pump light reflected by the high-frequency optical crystal 301, the high-frequency reflection optical pump light reflected light 200, the high-frequency reflection mirror, the high-frequency reflection optical pump light can be not larger than the high-frequency reflection optical pumping light reflected by the high-frequency reflection optical crystal 301, the high-frequency reflection optical pumping light reflected by the highThe output device has the transmissivity of about 50% for signal light and the transmissivity of no more than 50% for idler frequency light, the high-reflectivity cavity mirror 302 and the output coupling mirror 303 are arranged in parallel, the distance is 7cm, resonant cavities are formed, the high-reflectivity cavity mirror 302 returns the pump light with the wavelength of 532nm, the pump light with the wavelength of 532nm passes through the KTP crystal twice back and forth, double-pass pumping is achieved, optical path walk-off caused by the refractive index of the KTP crystal is eliminated, and the space stability of output laser beams in the whole wavelength tuning range is guaranteed.
The resonator device 300 further comprises an electric actuator system 304, and a nonlinear optical crystal 301 is disposed on the upper surface of the electric actuator system for rotating the nonlinear optical crystal 301.
As shown in fig. 2 and fig. 3, the electric actuator system 304 includes a crystal fixing column 3041, a rotating arm 3042, a rotating table 3043, a dc servo electric actuator 3044, a return spring 3045 and a sapphire gasket 3046, wherein the crystal fixing column 3041 is used for carrying the nonlinear optical crystal 301, the crystal fixing column 3041 is fixed at the end of the rotating arm 3042, the rotating arm 3042 is connected to the rotating table 3043 through SS304 stainless steel, the dc servo electric actuator 3044 is vertically connected to the other end of the rotating arm 3042 through the sapphire gasket 3046, the end of the return spring 3045 is vertically connected to the end of the rotating arm 3042, the other end of the return spring 3045 is fixed, the dc servo electric actuator 3044 is combined with the return spring 3045 to push the rotating table 3042 to drive the rotating table 3043, so as to realize accurate adjustment of the included angle between the optical axis direction of the KTP crystal and the direction of the pumping beam, and realize wavelength tuning of the wavelength of the output laser, and the rotating arm sapphire gasket is arranged at the contact position of the rotating arm 2 with the dc servo electric actuator 4 to prevent the rotating arm from damaging the optical axis of the KTP working face 3042, and to ensure long-time of the.
The light output by the output coupling mirror 303 further includes a residual pump light, the optical parametric oscillator further includes a monitoring control system 400, the monitoring control system 400 includes th color filter 401, a second color filter 402 and an idler light high-reflection mirror 403, wherein, in the embodiment of the present invention, the th color filter 401 is preferably a long-wavelength pass filter for filtering the residual pump light, the reflectivity of the th color filter 401 to the residual pump light with the wavelength of 532nm is greater than 99%, and sends the reflected residual pump light to the laser energy collector 205 for collection, the transmissivity of the signal light and the idler light generated by the nonlinear optical conversion is greater than 96%, and sends the filtered light beam to the second color filter 402, and in the embodiment of the present invention, the second color filter 402 is preferably a short-wavelength pass filter for separating the idler light and the signal light, the reflectivity of the second color filter 402 to the idler light is greater than 99%, and the transmissivity of the signal light is greater than 98%, so as to realize the separation of the signal light and the idler light to the idler light high-reflection mirror 403.
The monitoring control system 400 further includes a light beam sampling mirror 404, a fiber spectrometer 405, a control computer 406, and an actuator controller 407, wherein the light beam sampling mirror 404 is used for reflecting a part of the signal light to the fiber spectrometer 405, the fiber spectrometer 405 is used for measuring the wavelength of the signal light, and the control computer 406 is used for displaying the wavelength in real time and controlling the rotation of the electric actuator system 304 by using the actuator controller 407, so as to realize real-time online positioning and continuous scanning of the wavelength.
The above-mentioned embodiments, the purpose, technical solution and advantages of the present invention have been described in , it should be understood that the above description is only the embodiments of the present invention, and should not be used to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
- An optical parametric oscillator of , comprising:a pump laser source device (100) for generating pump light;the pumping light control device (200) is used for receiving the pumping light, adjusting the spot size and the polarization direction of the pumping light, comprises a dichroic mirror (208), and leads out the adjusted pumping light through the dichroic mirror (208);the resonant cavity device (300) comprises a nonlinear optical crystal (301), a high-reflectivity cavity mirror (302) and an output coupling mirror (303), wherein the nonlinear optical crystal (301) is arranged between the high-reflectivity cavity mirror (302) and the output coupling mirror (303), the dichroic mirror (208) is arranged between the output coupling mirror (303) and the nonlinear optical crystal (301), and the nonlinear optical crystal (301) is used for receiving pump light led out by the dichroic mirror (208), realizing nonlinear optical conversion to generate signal light and idler frequency light and leading the signal light and the idler frequency light out to the high-reflectivity cavity mirror (302); the normal direction of the high-reflectivity cavity mirror (302) and the direction of the pump light are provided with a preset included angle and used for reflecting the pump light to the nonlinear optical crystal (301) so that the reflected pump light and the incident pump light form two beams of quasi-collinear pump light in the crystal, and signal light and idler frequency light generated by the two beams of quasi-collinear pump light are output through the dichroic mirror (208) and the output coupling mirror (303) in sequence.
- 2. The optical parametric oscillator according to claim 1, wherein the pump light control device (200) further comprises a high energy absorption diaphragm (202), a polarization beam splitting cube (204) and a lens (207) in sequence along the optical path direction, the polarization beam splitting cube (204) is provided with half-wave plates (203) respectively as a half-wave plate and a second half-wave plate, the half-wave plate and the second half-wave plate are rotatable, the lens (207) is provided with optical path calibration diaphragms (206) respectively as a optical path calibration diaphragm and a second optical path calibration diaphragm, wherein the high energy absorption diaphragm (202) is used for limiting the spot size of the pump light and absorbing the pump light deviated through the resonant cavity optical path to protect the pump laser source device (100) from being damaged by the returned pump light, the half-wave plate (203) is used for rotating the linear polarization direction of the pump light, the polarization beam splitting cube (204) is used for separating the horizontal polarization component and the vertical polarization component of the pump light and transmitting the vertical polarization component of the pump light to the second half-wave plate (206), the calibration diaphragm (207) is used for adjusting the emergent size of the pump light from the calibration optical path (207).
- 3. The optical parametric oscillator of claim 2, the lens (207) comprising a plano-convex lens (2071) and a plano-concave lens (2072), the planar portions of the plano-convex lens (2071) and the plano-concave lens (2072) being disposed relatively parallel and the distance therebetween being the sum of the focal lengths of the plano-convex lens (2071) and the plano-concave lens (2072).
- 4. The optical parametric oscillator according to claim 1, wherein the normal direction of the high reflectivity cavity mirror (302) and the pump light direction have a predetermined angle smaller than or equal to 0.3 °.
- 5. The optical parametric oscillator according to claim 2, the resonator device (300) further comprising an electric actuator system (304) having the nonlinear optical crystal (301) disposed on an upper surface thereof for rotating the nonlinear optical crystal (301).
- 6. The optical parametric oscillator according to claim 5, wherein the electric actuator system (304) comprises a crystal fixing column (3041), a rotating arm (3042), a rotating platform (3043), a dc servo electric actuator (3044), a return spring (3045) and a sapphire pad (3046), wherein the crystal fixing column (3041) is used for carrying the nonlinear optical crystal (301), the crystal fixing column (3041) is fixed at an end of the rotating arm (3042), the rotating arm (3042) is coupled to the rotating platform (3043), the dc servo electric actuator (3044) is vertically connected to another end of the rotating arm (3042) through the sapphire pad (3046), a end of the return spring (3045) is vertically connected to a end of the rotating arm (3042), and another end of the return spring (3045) is fixed.
- 7. The optical parametric oscillator according to claim 5, the light output by the output coupling mirror (303) further comprising a residual pump light, the optical parametric oscillator further comprising a monitor and control system (400), the monitor and control system (400) comprising th color filter (401), a second color filter (402), and an idler high mirror (403), wherein th color filter (401) is configured to filter the residual pump light and send the filtered beam to the second color filter (402), and the second color filter (402) is configured to split the idler and signal light and send the idler to the idler high mirror (403).
- 8. The optical parametric oscillator according to claim 7, the monitoring and control system (400) further comprising a beam sampling mirror (404), a fiber optic spectrometer (405), a control computer (406) and an actuator controller (407), wherein the beam sampling mirror (404) is configured to reflect a portion of the signal light to the fiber optic spectrometer (405), the fiber optic spectrometer (405) is configured to measure a wavelength of the signal light, and the control computer (406) is configured to display the wavelength in real time and control the rotation of the electric actuator system (304) by the actuator controller (407).
- 9. The optical parametric oscillator according to claim 7, the pump light control device (200) further comprising a laser energy collector (205) for collecting the residual pump light and a horizontally polarized component of the pump light split by the polarization beam splitter cube (204).
- 10. The optical parametric oscillator according to claim 1, the pump light control device (200) further comprising a plurality of highly reflective mirrors (201) for redirecting the pump light.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112642A (en) * | 2019-05-20 | 2019-08-09 | 中国科学技术大学 | A kind of optical parametric oscillator |
| CN114002157A (en) * | 2021-09-29 | 2022-02-01 | 山东云海国创云计算装备产业创新中心有限公司 | Device and method for measuring service life of two-dimensional semiconductor material carrier |
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2019
- 2019-05-20 CN CN201920726100.0U patent/CN210007100U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112642A (en) * | 2019-05-20 | 2019-08-09 | 中国科学技术大学 | A kind of optical parametric oscillator |
| CN110112642B (en) * | 2019-05-20 | 2024-04-02 | 中国科学技术大学 | Optical parametric oscillator |
| CN114002157A (en) * | 2021-09-29 | 2022-02-01 | 山东云海国创云计算装备产业创新中心有限公司 | Device and method for measuring service life of two-dimensional semiconductor material carrier |
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