CN211264034U - Single-motor polycrystal reverse rotation optical parametric amplifier - Google Patents
Single-motor polycrystal reverse rotation optical parametric amplifier Download PDFInfo
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- CN211264034U CN211264034U CN201922183392.0U CN201922183392U CN211264034U CN 211264034 U CN211264034 U CN 211264034U CN 201922183392 U CN201922183392 U CN 201922183392U CN 211264034 U CN211264034 U CN 211264034U
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Abstract
The utility model discloses a single-motor polycrystal backward rotation optical parametric amplifier, which realizes the effective amplification of target light through the relative matching rotation of a plurality of forward crystals and reverse crystals and realizes the synchronous anisotropic driving of polycrystal through a driving motor; the forward crystal and the reverse crystal of the utility model are sequentially and alternately arranged, the specific embodiment of the utility model adopts the even number of crystal collocation, thus ensuring the emission route after the target light is amplified and eliminating the influence of the idler frequency light generated in the amplification process on the target light to the maximum extent; the single driving source is directly converted into the asynchronous synchronous driving through the meshing transmission of the bevel gears, the stroke transmission is accurate and synchronous, and the crystal rotation precision is improved; the crystal gear adjusting device has the advantages that the crystal gear adjusting device can be more accurately and precisely sleeved in the crystal installation and use debugging process through the cooperation of the tensioning portion and the tensioning screw rod, and further perfect cooperation between the crystal gear and the rack portion is guaranteed.
Description
Technical Field
The utility model relates to an optical instrument technical field, concretely relates to single motor polycrystal counter-rotating optical parameter 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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a single motor polycrystal counter-rotation optical parametric amplifier to above-mentioned prior art not enough, realize the synchronous high accuracy rotation of polycrystal through single motor.
The utility model provides a single motor polycrystal reverse rotation optical parameter amplifier, including the base plate, and locate be used for providing the light source spare of pumping light sum target light source on the base plate, and be used for enlargiing the amplifying unit of target light, amplifying unit includes a plurality of forward crystals and the reverse crystal that are used for enlarging the target light, is used for the drive forward crystal and reverse crystal pivoted drive assembly, forward crystal and reverse crystal are installation setting in turn in proper order, just the rotation opposite direction of forward crystal and reverse crystal, turned angle are the same, still locate including dividing forward crystal and reverse crystal both sides are used for supporting its rotatory support frame, forward crystal and reverse crystal all be equipped with can with the mount of connection is dismantled to the support frame, support frame fixed connection in 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 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.
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 device also 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 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 support frame comprises an adjusting rod which is fixed on the base plate and can adjust the supporting height, a base which is arranged at the end part of the adjusting rod and is used for supporting the bearing, and an arc-shaped pressing plate which is matched with the base and is used for fixing the bearing; the adjusting rod comprises a first screw fixedly connected to the base plate, a second screw fixedly connected to the base, and a two-way nut which is screwed with the first screw and the second screw at the same time, and the thread directions of the first screw and the second screw are opposite.
Furthermore, the end part of the shaft rod provided with the crystal gear is provided with a tensioning part used for controlling the rotation angle of the crystal gear through tightness and a tensioning screw rod which is in trapezoidal arrangement and is in threaded connection with the tensioning part, and a tensioning gap is arranged on the tensioning part.
The utility model discloses a single motor polycrystal backward rotation optical parametric amplifier, this application realizes the effective amplification of target light through the relative cooperation rotation of a plurality of forward crystals and reverse crystal to realize the synchronous heterodromous drive of polycrystal through a driving motor; the forward crystals and the reverse crystals 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 maximum extent; 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 crystal gear adjusting device has the advantages that the crystal gear adjusting device can be more accurately and precisely sleeved in the crystal installation and use debugging process through the cooperation of the tensioning portion and the tensioning screw rod, and further perfect cooperation between the crystal gear and the rack portion is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a single-motor multi-crystal reverse rotation optical parametric amplifier according to an embodiment of the present invention;
fig. 2 is a top view of a single-motor multi-crystal counter-rotating optical parametric amplifier according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a driving module of a single-motor multi-crystal backward rotation optical parametric amplifier according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a forward crystal structure of a single-motor multi-crystal backward rotation optical parametric amplifier according to an embodiment of the present invention;
fig. 5 is a side view of a forward crystal of a single-motor multi-crystal counter-rotating optical parametric amplifier in accordance with an embodiment of the present invention;
fig. 6 is a schematic diagram of an adjusting rod structure of a single-motor multi-crystal backward rotation optical parametric amplifier according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of an adjusting rod of a single-motor multi-crystal counter-rotating optical parametric amplifier according to an embodiment of the present invention;
fig. 8 is an exploded view of a tensioning part of a single-motor multi-crystal reverse rotation optical parametric amplifier according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a position-limiting member structure of a high-precision single-motor multi-crystal optical parametric amplifier according to an embodiment of the present invention;
fig. 10 is an optical diagram of a single-motor multi-crystal reverse rotation optical parametric amplifier according to an embodiment of the present invention.
In the figure: 1-substrate, 2-light source, 3-forward crystal, 31-fixing piece, 32-shaft rod, 321-tensioning part, 322-tensioning screw rod, 323-tensioning gap, 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 piece, 561-blocking piece, 562-rack part, 563-side rail, 6-support frame, 61-first screw rod, 62-second screw rod, 63-bidirectional nut, 64-base, 65-arc-shaped press plate, 7-limiting piece, 71-through hole and 72-roller.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following description will explain specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. In addition, the term "orientation" merely indicates a relative positional relationship between the respective members, not an absolute positional relationship.
Please refer to fig. 1 to 10. The utility model discloses single motor polycrystal reverse rotation optical parameter amplifier, including base plate 1, and locate the light source spare 2 that is used for providing pumping light and target light source on the base plate 1, and be used for enlargiing the amplifying unit of target light, amplifying unit includes a plurality of forward crystals 3 and the reverse crystal 4 that are used for enlargiing the target light, be used for driving forward crystals 3 and reverse crystal 4 pivoted drive assembly, forward crystals 3 and reverse crystal 4 install the setting in turn in proper order, and the rotation opposite direction of forward crystals 3 and reverse crystal 4, turned angle is the same, still locate forward crystals 3 and reverse crystal 4 both sides including the branch and be used for supporting its rotatory support frame 6, forward crystals 3 and reverse crystal 4 all are equipped with the mount that can dismantle the connection with support frame 6, 6 fixed connection of support frame are on base plate 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 mount 31 includes a first mount and a second mount which are wrapped around the outer side of the forward crystal 3 or the backward crystal 4, and a screw for fixedly connecting the first mount and the second mount.
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 utility model discloses a driving medium still overlaps and is equipped with bearing 33 to use with the cooperation of support frame 6, and then realize the support of whole driving medium, reach stable driven effect, can regard as the swing joint mode that adopts the same with forward crystal 3 and reverse crystal 4.
The 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 prevent 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 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.
The supporting frame 6 comprises an adjusting rod which is fixed on the base plate 1 and can adjust the supporting height, a base 64 which is arranged at the end part of the adjusting rod and is used for supporting the bearing 33, and an arc-shaped pressing plate 65 which is matched with the base 64 and is used for fixing the bearing 33; the adjusting rod comprises a first screw 61 fixedly connected to the base plate 1, a second screw 62 fixedly connected to the base 64, and a two-way nut 63 screwed with the first screw 61 and the second screw 62 at the same time, wherein the thread directions of the first screw 61 and the second screw 62 are opposite.
The end of the shaft 32 with the crystal gear 34 is provided with a tension part 321 for controlling the rotation angle of the crystal gear 34 by tightness and a tension screw 322 in trapezoidal shape and screwed with the tension part 321, and a tension gap 323 is arranged on the tension part 321.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A single-motor multi-crystal counter-rotating optical parametric amplifier, comprising a substrate (1), and a light source device (2) disposed on the substrate (1) for providing a pump light and a target light source, and an amplifying unit for amplifying the target light, 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), wherein the forward crystals (3) and the reverse crystals (4) are sequentially and alternately arranged, the forward crystals (3) and the reverse crystals (4) are opposite in rotating direction and identical in rotating angle, the amplifying unit further comprises support frames (6) respectively arranged on two sides of the forward crystals (3) and the reverse crystals (4) and used for supporting the forward crystals (3) and the reverse crystals (4) to rotate, the forward crystals (3) and the reverse crystals (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).
2. The single-motor multi-crystal counter-rotating optical parametric amplifier of claim 1, 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.
3. A single-motor multi-crystal counter-rotating optical parametric amplifier as in claim 2, wherein: the fixing piece (31) comprises a first fixing piece and a second fixing piece which are wrapped on the outer side face of the forward crystal (3) or the reverse crystal (4), and a screw rod which is used for fixedly connecting the first fixing piece and the second fixing piece.
4. A single-motor multi-crystal counter-rotating optical parametric amplifier as in claim 2, wherein: the shaft rod (32) is further 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 assembly, and the adjacent crystal gears (34) of the forward crystal (3) and the reverse crystal (4) are arranged on different sides.
5. The single-motor multi-crystal counter-rotating optical parametric amplifier of claim 4, wherein: 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).
6. The single-motor multi-crystal counter-rotating optical parametric amplifier of claim 5, 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.
7. The single-motor multi-crystal counter-rotating optical parametric amplifier of claim 6, 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).
8. The single-motor multi-crystal counter-rotating optical parametric amplifier of claim 7, wherein: 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.
9. A single-motor multi-crystal counter-rotating optical parametric amplifier as in claim 2, wherein: the supporting frame (6) comprises an adjusting rod which is fixed on the base plate (1) and can adjust the supporting height, a base (64) which is arranged at the end part of the adjusting rod and is used for supporting the bearing (33), and an arc-shaped pressing plate (65) which is matched with the base (64) and is used for fixing the bearing (33); the adjusting rod comprises a first screw rod (61) fixedly connected to the base plate (1), a second screw rod (62) fixedly connected to the base (64), and a bidirectional nut (63) screwed with the first screw rod (61) and the second screw rod (62) at the same time, and the thread directions of the first screw rod (61) and the second screw rod (62) are opposite.
10. The single-motor multi-crystal counter-rotating optical parametric amplifier of claim 4, wherein: the end part of the shaft lever (32) provided with the crystal gear (34) is provided with a tensioning part (321) used for controlling the rotation angle of the crystal gear (34) through tightness and a tensioning screw rod (322) which is arranged in a trapezoidal shape and is in threaded connection with the tensioning part (321), and a tensioning gap (323) is arranged on the tensioning part (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183392.0U CN211264034U (en) | 2019-12-09 | 2019-12-09 | Single-motor polycrystal reverse rotation optical parametric amplifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183392.0U CN211264034U (en) | 2019-12-09 | 2019-12-09 | Single-motor polycrystal reverse rotation optical parametric amplifier |
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| CN211264034U true CN211264034U (en) | 2020-08-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928105A (en) * | 2019-12-09 | 2020-03-27 | 浙江德扬精密仪器有限公司 | High-precision single-motor multi-crystal optical parametric amplifier |
| 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 |
-
2019
- 2019-12-09 CN CN201922183392.0U patent/CN211264034U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110928105A (en) * | 2019-12-09 | 2020-03-27 | 浙江德扬精密仪器有限公司 | High-precision single-motor multi-crystal optical parametric amplifier |
| 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 |
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