CN110928105A - High-precision single-motor multi-crystal optical parametric amplifier - Google Patents
High-precision single-motor multi-crystal optical parametric amplifier Download PDFInfo
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- 239000013078 crystal Substances 0.000 title claims abstract description 188
- 230000003287 optical effect Effects 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000005086 pumping Methods 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 7
- 230000003321 amplification Effects 0.000 abstract description 6
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/355—Non-linear optics characterised by the materials used
- G02F1/3551—Crystals
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/35—Non-linear optics
- G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
- G02F1/392—Parametric amplification
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The invention provides a high-precision single-motor polycrystal optical parametric amplifier, which comprises a substrate, a light source part and an amplifying unit, wherein the light source part is arranged on the substrate and used for providing pumping light and a target light source, the amplifying unit is used for amplifying target light, the amplifying unit comprises a plurality of forward crystals and reverse crystals and a driving assembly, the forward crystals and the reverse crystals are used for amplifying the target light, the driving assembly is used for driving the forward crystals and the reverse crystals to rotate, the forward crystals and the reverse crystals are sequentially and alternately arranged, the rotating directions of the forward crystals and the reverse crystals are opposite, and the rotating angles of the forward crystals and the reverse crystals are the same. The invention realizes the effective amplification of target light by the relative matching rotation of a plurality of forward crystals and reverse crystals, and realizes the synchronous anisotropic drive of polycrystal by a drive motor; this application is direct through the bevel gear meshing transmission, realizes that single driving source changes to heterodromous synchronous drive, and the stroke transmission is accurate synchronous, effectively reduces transmission error, has improved crystal pivoted precision.
Description
Technical Field
The invention relates to the technical field of optical instruments, in particular to a high-precision single-motor multi-crystal optical parametric amplifier.
Background
The optical parametric amplification means that a bundle of high-frequency light and a bundle of low-frequency light enter a nonlinear medium simultaneously, the light of low frequency among the light that comes out obtains the amplification because of difference frequency effect, this kind of phenomenon is called optical parametric amplification, can take place the refraction when light passes through the crystal, if only a crystal, the laser of different frequencies need correspond the crystal and change different angles, different crystal angles then mean that the emergent light position can change, be unfavorable for follow-up use. It is generally necessary to adjust the laser position back by means of one or several pairs of crystals. The scheme that the prior art generally adopts is that each crystal is driven to rotate by one motor, so that the requirement on the motor is high, the consistency of the step lengths of different motors is very good, a plurality of high-precision motors are required to be matched for use, in addition, the scheme needs to use the motors as many as the number of the crystals, and the cost of the high-precision motors is high.
Disclosure of Invention
The invention aims to provide a high-precision single-motor polycrystal optical parametric amplifier aiming at the defects of the prior art, and the single motor is used for realizing synchronous high-precision rotation of polycrystal.
The invention provides a high-precision single-motor polycrystal optical parametric amplifier which comprises a substrate, a light source part and an amplifying unit, wherein the light source part is arranged on the substrate and used for providing pumping light and a target light source, the amplifying unit is used for amplifying target light and comprises a plurality of forward crystals and reverse crystals and a driving assembly, the forward crystals and the reverse crystals are used for amplifying the target light, the driving assembly is used for driving the forward crystals and the reverse crystals to rotate, the forward crystals and the reverse crystals are sequentially and alternately arranged, the rotating directions of the forward crystals and the reverse crystals are opposite, and the rotating angles of the forward crystals and the reverse crystals are the same.
Furthermore, the crystal fixing device also comprises support frames which are respectively arranged at two sides of the forward crystal and the reverse crystal and used for supporting the forward crystal and the reverse crystal to rotate, wherein the forward crystal and the reverse crystal are respectively provided with a fixing frame which can be detachably connected with the support frames, and the support frames are fixedly connected on the base plate.
Furthermore, the fixing frame comprises a fixing piece which is externally wrapped and fixed on the surfaces of the forward crystal and the reverse crystal, a shaft rod which is fixedly connected to the outer side of the fixing piece, and a bearing which is sleeved on the shaft rod and detachably connected with the supporting frame for driving the forward crystal and the reverse crystal to rotate.
Furthermore, the shaft rod is further sleeved with a crystal gear used for realizing the rotation of the forward crystal and the reverse crystal through the driving of the driving assembly, and the crystal gears adjacent to the forward crystal and the reverse crystal are arranged on different sides.
Furthermore, the driving assembly comprises a driving motor for providing driving force, a driving bevel gear sleeved on a driving shaft of the driving motor, two transmission parts which are matched with the driving bevel gear for use and realize opposite rotation directions under the driving of the driving bevel gear, and a linkage part which is matched with the transmission parts for use, runs in opposite directions simultaneously and is movably connected with the crystal gears.
Furthermore, the driving part comprises a driving rod, a driving bevel gear arranged at one end of the driving rod and meshed with the driving bevel gear, and a straight gear arranged at the other end of the driving rod and used for driving the linkage part to reciprocate.
Furthermore, the movable fox-searching device further comprises limiting parts which are respectively arranged at two ends of the linkage part and used for limiting the upper limit and the lower limit of the linkage part, blocking parts for preventing the linkage part from being driven and separated are arranged at two ends of the linkage part, and the blocking parts are detachably connected with the fox-searching linkage part.
Further, the linkage piece is provided with a rack part used for being in meshing transmission with the crystal gear and side rails respectively arranged on two sides of the rack part; the limiting part is provided with a through hole for the linkage part to pass through, and two groups of rollers matched with the side rails are uniformly arranged in the through hole.
Furthermore, the driving assembly comprises a driving motor, a threaded rod which is fixedly connected with a rotating shaft of the driving motor and can rotate forward and backward under the driving of the rotating shaft, a sliding block which is sleeved on the threaded rod and is in threaded connection with the threaded rod, and a linkage rod which is connected with two ends of the sliding block in a lifting mode and is used for driving the forward crystal and the reverse crystal to rotate; the sliding block can reciprocate along the direction of the threaded rod along with the positive and negative rotation of the threaded rod, and guide rails for the sliding block to slide stably are further arranged at the two ends of the sliding block.
Furthermore, a sliding mirror surface with a smooth surface and a rotating arm with a variable angle for driving the forward crystal and the reverse crystal to rotate under the action of the sliding mirror surface are arranged on the linkage rod corresponding to each forward crystal and each reverse crystal, one end of the rotating arm is fixedly connected to the shaft rod, and the other end of the rotating arm is abutted to the sliding mirror surface; the rotating arm is provided with a sliding ball at the abutting position with the sliding mirror surface, and the rotating arm is also provided with a spring used for keeping the sliding ball and the sliding mirror surface in the abutting state all the time.
The horizontal plate is used for adjusting the horizontal heights of the light source part, the forward crystal and the reverse crystal, the supporting part is movably connected to two sides of the horizontal plate at one end, the other end of the supporting part is movably connected to the base plate and used for lifting the horizontal plate, the supporting part is respectively in threaded connection with the horizontal plate and the base plate, the supporting height of the supporting part is larger than the heights between the light source part, the forward crystal and the reverse crystal and the base plate, a locking part used for locking the supporting height of the supporting part is arranged on the supporting part, and a lifting handle used for controlling the lifting of the horizontal plate is arranged at the tail end of the horizontal plate.
Furthermore, the fixing part comprises a first fixing part and a second fixing part which are wrapped on the outer side surface of the forward crystal or the backward crystal, and a screw rod which is used for fixedly connecting the first fixing part and the second fixing part.
The invention relates to a high-precision single-motor polycrystal optical parametric amplifier, which realizes effective amplification of target light by relative matching rotation of a plurality of forward crystals and reverse crystals and realizes synchronous anisotropic driving of polycrystal by a driving motor; the method has the advantages that the single driving source is directly converted into the asynchronous synchronous driving through the bevel gear meshing transmission, the stroke transmission is accurate and synchronous, the transmission error is effectively reduced, and the crystal rotation precision is improved; the horizontal state of the light source part and each crystal can be quickly and flexibly adjusted through the horizontal plate and the limiting part, and the precision of the amplifier can be further ensured in the installation, maintenance and use processes.
Drawings
FIG. 1 is a schematic diagram of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 2 is a top view of a high precision single motor multiple crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating a state of a horizontal plate of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a driving module of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a forward crystal structure of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 6 is a side view of a forward crystal of a high precision single motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a horizontal plate structure of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a position-limiting element of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a driving element of another embodiment of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 10 is a side view of another embodiment drive assembly of a high precision single motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a drive element radial arm configuration of another embodiment of a high precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
FIG. 12 is a side view of another embodiment radial arm of a high precision single motor multiple crystal optical parametric amplifier according to an embodiment of the present invention;
fig. 13 is an optical diagram of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention.
In the figure: 1-base plate, 2-light source component, 3-positive crystal, 31-fixing component, 311-first fixing component, 312-second fixing component, 313-screw rod, 32-shaft rod, 33-bearing, 34-crystal gear, 4-reverse crystal, 51-driving motor, 52-driving bevel gear, 53-driving rod, 54-driving bevel gear, 55-straight gear, 56-linkage component, 561-blocking component, 562-rack component, 563-side rail, 6-supporting frame, 7-limiting component, 71-through hole, 72-roller, 8-horizontal plate, 81-supporting component, 82-locking component, 83-lifting handle, 91-threaded rod, 92-sliding block, 921-guide rail, 93-linkage rod, 93-lifting handle, 94-sliding mirror surface, 95-rotary arm, 951-sliding ball and 952-spring.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following will describe the specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort. In addition, the term "orientation" merely indicates a relative positional relationship between the respective members, not an absolute positional relationship.
Example 1
Please refer to fig. 1 to 8 and fig. 13. The invention discloses a high-precision single-motor multi-crystal optical parametric amplifier, which comprises a substrate 1, a light source part 2 and an amplifying unit, wherein the light source part 2 is arranged on the substrate 1 and used for providing pumping light and a target light source, the amplifying unit is used for amplifying target light, the amplifying unit comprises a plurality of forward crystals 3 and reverse crystals 4 and driving components, the forward crystals 3 and the reverse crystals 4 are used for amplifying the target light, the driving components are used for driving the forward crystals 3 and the reverse crystals 4 to rotate, the forward crystals 3 and the reverse crystals 4 are sequentially and alternately arranged, and the rotating directions of the forward crystals 3 and the reverse crystals 4 are opposite and the rotating angles are the same.
The forward crystals 3 and the reverse crystals 4 are sequentially and alternately arranged, and an even number of crystals are matched in the specific embodiment of the invention, so that the emission route of the amplified target light is ensured, and the influence of idler frequency light generated in the amplification process on the target light is eliminated to the greatest extent.
The crystal growth device is characterized by further comprising support frames 6 which are respectively arranged on two sides of the forward crystal 3 and the reverse crystal 4 and used for supporting the forward crystal 3 and the reverse crystal 4 to rotate, wherein the forward crystal 3 and the reverse crystal 4 are respectively provided with a fixing frame which can be detachably connected with the support frames 6, and the support frames 6 are fixedly connected onto the substrate 1.
The fixing frame comprises a fixing piece 31 which is externally wrapped and fixed on the surfaces of the forward crystal 3 and the reverse crystal 4, a shaft rod 32 which is fixedly connected to the outer side of the fixing piece 31, and a bearing 33 which is sleeved on the shaft rod 32 and detachably connected with the supporting frame 6 for driving the forward crystal 3 and the reverse crystal 4 to rotate.
The shaft lever 32 is also sleeved with a crystal gear 34 which is driven by the driving component to realize the rotation of the forward crystal 3 and the reverse crystal 4, and the adjacent crystal gears 34 of the forward crystal 3 and the reverse crystal 4 are arranged on different sides.
The driving assembly comprises a driving motor 51 for providing driving force, a driving bevel gear 52 sleeved on a driving shaft of the driving motor 51, two transmission members used with the driving bevel gear 52 and realizing opposite rotating directions under the driving of the driving bevel gear 52, and a linkage member 56 used with the transmission members and simultaneously running in opposite directions and movably connected with the plurality of crystal gears 34.
The driving member includes a driving rod 53, a driving bevel gear 54 provided at one end of the driving rod 53 to be engaged with the driving bevel gear 52, and a spur gear 55 provided at the other end of the driving rod 53 to drive a link member 56 to reciprocate.
The transmission part is also sleeved with a bearing 33 and is matched with the support frame 6 for use, so that the whole transmission part is supported to achieve the effect of stable transmission, and the transmission part can be considered to adopt the same movable connection mode as the forward crystal 3 and the reverse crystal 4.
The fox searching device further comprises limiting parts 7 which are respectively arranged at two ends of the linkage part 56 and used for limiting the upper limit and the lower limit of the linkage part, blocking parts 561 which are used for preventing the linkage part 56 from being driven and separated are arranged at two ends of the linkage part 56, and the blocking parts 561 are detachably connected with the fox searching linkage part 56.
The link 56 is provided with a rack portion 562 for meshing transmission with the crystal gear 34, and side rails 563 provided on both sides of the rack portion 562; the limiting member 7 is provided with a through hole 71 for the linkage member 56 to pass through, and two groups of rollers 72 matched with the side rails 563 are respectively arranged on the through hole 71.
Still include and be used for adjusting light source spare 2, the horizontal plate 8 of forward crystal 3 and 4 level of reverse crystal, and one end swing joint in the horizontal plate 8 both sides, the other end swing joint is in the support piece that 8 lift of water supply flat board on the base plate 1, support piece respectively with horizontal plate 8 and base plate 1 spiro union, support piece's support height is greater than light source spare 2, the height between forward crystal 3 and reverse crystal 4 and the base plate 1, be equipped with on the support piece and be used for locking support piece support height locking piece 82, 8 end of horizontal plate is equipped with and is used for controlling its lift to carry handle 83.
The fixing member 31 includes a first fixing member 311 and a second fixing member 312 which are wrapped around the outer side of the forward crystal 3 or the backward crystal 4, and a screw 313 for fixedly connecting the first fixing member 311 and the second fixing member 312.
Example 2
Referring to fig. 9 to 13, the driving assembly includes a driving motor 51, a threaded rod 91 fixedly connected to a rotating shaft of the driving motor 51 and driven by the rotating shaft to rotate forward and backward, a sliding block 92 sleeved on and screwed to the threaded rod 91, and a linkage rod 93 connected to two ends of the sliding block 92 and capable of lifting and lowering to drive the forward crystal 3 and the backward crystal 4 to rotate; the sliding block 92 can reciprocate along the direction of the threaded rod 91 along with the positive and negative rotation of the threaded rod 91, and two ends of the sliding block 92 are also provided with a guide rail 921 for the sliding block to slide smoothly.
A sliding mirror 94 with a smooth surface and a swing arm 95 with a variable angle for driving the forward crystal 3 and the reverse crystal 4 to rotate under the action of the sliding mirror 94 are arranged on the linkage rod 93 corresponding to each of the forward crystal 3 and the reverse crystal 4, one end of the swing arm 95 is fixedly connected to the shaft rod 32, and the other end of the swing arm is abutted to the sliding mirror 94; a sliding ball 951 is arranged at the abutting part of the rotary arm and the sliding mirror surface, and a spring 952 used for keeping the abutting state of the sliding ball 951 and the sliding mirror surface 94 is also arranged on the rotary arm 95.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. A high-precision single-motor multi-crystal optical parametric amplifier comprises a substrate (1), a light source element (2) arranged on the substrate (1) and used for providing pumping light and a target light source, and an amplifying unit used for amplifying the target light, and is characterized in that: the amplifying unit comprises a plurality of forward crystals (3) and reverse crystals (4) used for amplifying target light and a driving assembly used for driving the forward crystals (3) and the reverse crystals (4) to rotate, wherein the forward crystals (3) and the reverse crystals (4) are sequentially and alternately arranged, and the rotating directions of the forward crystals (3) and the reverse crystals (4) are opposite and the rotating angles of the forward crystals (3) and the reverse crystals (4) are the same.
2. A high precision single motor multiple crystal optical parametric amplifier as in claim 1, wherein: the crystal growth device is characterized by further comprising support frames (6) which are arranged on two sides of the forward crystal (3) and the reverse crystal (4) respectively and used for supporting the forward crystal (3) and the reverse crystal (4) to rotate, wherein the forward crystal (3) and the reverse crystal (4) are respectively provided with a fixing frame which can be detachably connected with the support frames (6), and the support frames (6) are fixedly connected onto the substrate (1).
3. A high precision single motor multiple crystal optical parametric amplifier as in claim 2, wherein: the fixing frame comprises a fixing piece (31) which is externally wrapped and fixed on the surfaces of the forward crystal (3) and the reverse crystal (4), a shaft lever (32) which is fixedly connected to the outer side of the fixing piece (31), and a bearing (33) which is sleeved on the shaft lever (32) and is detachably connected with the supporting frame (6) and used for driving the forward crystal (3) and the reverse crystal (4) to rotate.
4. A high precision single motor multiple crystal optical parametric amplifier according to claim 3, wherein: the shaft lever (32) is also sleeved with a crystal gear (34) which is used for realizing the rotation of the forward crystal (3) and the reverse crystal (4) through the driving of the driving component, and the crystal gear (34) adjacent to the forward crystal (3) and the reverse crystal (4) is arranged on the opposite side; the driving assembly comprises a driving motor (51) used for providing driving force, a driving bevel gear (52) sleeved on a driving shaft of the driving motor (51), two transmission pieces which are matched with the driving bevel gear (52) for use and realize opposite rotating directions under the driving of the driving bevel gear (52), and a linkage piece (56) which is matched with the transmission pieces for use, runs in opposite directions simultaneously and is movably connected with the crystal gears (34).
5. A high precision single motor multiple crystal optical parametric amplifier as in claim 4, wherein: the transmission piece comprises a transmission rod (53), a transmission bevel gear (54) arranged at one end of the transmission rod (53) and meshed with the driving bevel gear (52), and a straight gear (55) arranged at the other end of the transmission rod (53) and used for driving the linkage piece (56) to reciprocate.
6. A high precision single motor multiple crystal optical parametric amplifier as in claim 4, wherein: the device is characterized by further comprising limiting parts (7) which are respectively arranged at two ends of the linkage part (56) and used for limiting the linkage part up and down, blocking parts (561) for preventing the linkage part (56) from being driven to be separated are arranged at two ends of the linkage part (56), and the blocking parts (561) are detachably connected with the linkage part (56); the linkage piece (56) is provided with a rack part (562) for meshing transmission with the crystal gear (34) and side rails (563) respectively arranged on two sides of the rack part (562); the limiting piece (7) is provided with a through hole (71) for the linkage piece (56) to pass through, and two groups of rollers (72) matched with the side rails (563) are arranged on the through hole (71) respectively.
7. A high precision single motor multiple crystal optical parametric amplifier as in claim 1, wherein: the light source device is characterized by further comprising a horizontal plate (8) used for adjusting the horizontal heights of the light source part (2), the forward crystal (3) and the reverse crystal (4), and a supporting part with one end movably connected to two sides of the horizontal plate (8) and the other end movably connected to the base plate (1) and used for lifting the horizontal plate (8), wherein the supporting part is respectively in threaded connection with the horizontal plate (8) and the base plate (1), the supporting height of the supporting part is larger than the heights between the light source part (2), the forward crystal (3) and the reverse crystal (4) and the base plate (1), a locking part (82) used for locking the supporting height of the supporting part is arranged on the supporting part, and a lifting handle (83) used for controlling the lifting of the horizontal plate (8) is arranged at the tail end.
8. A high precision single motor multiple crystal optical parametric amplifier according to claim 3, wherein: the driving assembly comprises a driving motor (51), a threaded rod (91) which is fixedly connected with a rotating shaft of the driving motor (51) and can rotate forwards and backwards under the driving of the rotating shaft, a sliding block (92) which is sleeved on the threaded rod (91) and is in threaded connection with the threaded rod (91), and a linkage rod (93) which is connected with the two ends of the sliding block (92) in a lifting mode and is used for driving the forward crystal (3) and the reverse crystal (4) to rotate; the sliding block (92) can reciprocate along the direction of the threaded rod (91) along with the forward and reverse rotation of the threaded rod (91), and guide rails (921) for the sliding block (92) to slide stably are further arranged at the two ends of the sliding block (92).
9. A high precision single motor multiple crystal optical parametric amplifier according to claim 8, wherein: the linkage rod (93) is provided with a sliding mirror surface (94) with a smooth surface corresponding to each of the forward crystal (3) and the reverse crystal (4), and a rotating arm (95) with a variable angle and used for driving the forward crystal (3) and the reverse crystal (4) to rotate under the action of the sliding mirror surface (94), one end of the rotating arm (95) is fixedly connected to the shaft rod (32), and the other end of the rotating arm is abutted to the sliding mirror surface (94); the rotary arm is provided with a sliding ball (951) at the abutting position of the rotary arm and the sliding mirror surface, and the rotary arm (95) is also provided with a spring (952) which is used for keeping the abutting state of the sliding ball (951) and the sliding mirror surface (94) at all times.
10. A high precision single motor multiple crystal optical parametric amplifier according to claim 3, wherein: the fixing piece (31) comprises a first fixing piece (311) and a second fixing piece (312) which are wrapped on the outer side face of the forward crystal (3) or the reverse crystal (4), and a screw (313) which is used for fixedly connecting the first fixing piece (311) and the second fixing piece (312).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234427A (en) * | 2020-10-23 | 2021-01-15 | 浙江德扬精密仪器有限公司 | Crystal switching device suitable for optical parametric oscillator |
| CN112234426A (en) * | 2020-10-23 | 2021-01-15 | 浙江德扬精密仪器有限公司 | Precision adjusting device suitable for optical parametric oscillator |
| CN112234425A (en) * | 2020-10-23 | 2021-01-15 | 浙江德扬精密仪器有限公司 | Crystal positioning correction method and device of optical parametric oscillator |
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