CN114779403A - TGG free space laser isolator - Google Patents
TGG free space laser isolator Download PDFInfo
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- CN114779403A CN114779403A CN202210387201.6A CN202210387201A CN114779403A CN 114779403 A CN114779403 A CN 114779403A CN 202210387201 A CN202210387201 A CN 202210387201A CN 114779403 A CN114779403 A CN 114779403A
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- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 description 8
- 239000010453 quartz Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2746—Optical coupling means with polarisation selective and adjusting means comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators
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Abstract
The invention discloses a TGG free space laser isolator, and relates to the technical field of laser isolators. Fix the overall position of laser isolator main part through fixed baseplate, because the rotating position of the rotating base of upside has already been confirmed, after the pivoted angle is confirmed, the position that passes the last base station with the bulb mounting screw on the fixed baseplate earlier fixes, let to guarantee between rotating base and the fixed baseplate fixedly through bulb mounting screw, later according to the reference surface of external fixed interface, adjust the reference position of last base station in the fixed baseplate main part, guarantee the position between the relative fixed baseplate main part of last base station through the restriction nail afterwards, the guide part plays the guide effect, and then when guaranteeing that laser fixed baseplate has certain angle restriction fixed, can also guarantee the stability of structure.
Description
Technical Field
The invention relates to the technical field of laser isolators, in particular to a TGG free space laser isolator.
Background
The isolator for the laser in the prior art does not have a fixed stable structure, and when data detection is carried out on the isolator for the laser, certain deviation exists in a measuring result of the isolator for the laser, and then the isolator for the laser is easy to scratch the outer wall of the isolator for the laser when being fixed by a general isolator for the laser, and the isolator for the laser with the fixing device disclosed in the patent No. CN208607452U has certain defects, and cannot be fixed at multiple angles according to an external fixed base plane, so that the position deviation during fixing is caused, and meanwhile, the condition of unstable fixation exists.
Disclosure of Invention
The invention provides a TGG free space laser isolator which solves the problems in the background technology.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a TGG free space laser isolator, includes laser isolator main part, is used for laser isolator main part pivoted rotating basis and the fixed baseplate that is used for fixed laser isolator main part, the inside upper end position department of laser isolator main part is provided with planoconvex lens, the inside of laser isolator main part is provided with biconvex lens, the inside of laser isolator main part and the downside that is located biconvex lens are provided with PBS one, the inside of laser isolator main part and be located to set up between biconvex lens and PBS one have the grating hole, the inside of laser isolator main part is located the bottom of PBS one and is equipped with TGG, the fixed speculum that is provided with on TGG's the terminal surface, the inside of TGG and be located laser isolator main part is fixed and is provided with quartz optical rotation piece, the inside of laser isolator main part is located the below of quartz optical rotation piece and is fixed and is provided with PBS two, the outer surface of the laser isolator main body is provided with a limiting groove, the main basic functions of the laser isolator are integrally realized through structural members such as a plano-convex lens, a biconvex lens, a quartz optical rotation sheet, a grating hole, a reflector and the like distributed in the laser isolator main body;
the laser isolator comprises a laser isolator main body, a rotary base, a rotary block and a limiting groove, wherein the rotary base is sleeved on the surface of the laser isolator main body, two rotary blocks are arranged on the outer surface of the laser isolator main body, when the whole laser isolator main body needs to be fixed, the rotary base can rotate angularly, the rotary block in the rotary base is rotationally connected to the rotary base main body, when a fixed position has a certain rotation angle, the rotation distance of the laser isolator main body is fixedly installed through the rotation of the two rotary bases on the laser isolator main body at different angles, the rotary base main body can displace along the direction of the limiting groove in the laser isolator main body, and the displacement direction of the rotary base is limited by the limiting groove;
as a further scheme of the invention: the fixed base is fixedly arranged at the bottom of the rotating base, and the number of the fixed bases is matched with that of the rotating base.
As a further scheme of the invention: the utility model discloses a laser isolator, including the swivel base, swivel base sets up the swivel base main part on laser isolator main part surface including the cover, it is provided with rotatory piece to rotate in the swivel base main part, the fixed installation base station down that is provided with on the surface of rotatory piece, the swivel base main part is provided with the restriction screw on the surface, the swivel base main part is through restriction screw joint on the surperficial restriction groove of laser isolator main part, when needs angle change carries out the position fixation, and one of them rotatory piece rotates along the swivel base main part, lets form the contained angle between the relative swivel base main part between two rotatory pieces, and simultaneously, the distance between two swivel base main parts lets the restriction screw on the swivel base control, and after the position is confirmed, fastens through the restriction screw, guarantees the position and confirms.
As a further scheme of the invention: the fixing base comprises a fixing base main body, a guide part is arranged on the upper surface of the fixing base main body, an upper base station is arranged on the upper side of the fixing base main body in a sliding mode through the guide part, guide limiting grooves are formed in the side walls of the two ends of the upper base station, an inner spring is connected between the fixing base main body and the upper base station, ball head mounting screws penetrate through the inner part of the inner spring and the upper base station, the upper base station is connected to a lower mounting base station through the ball head mounting screws in a clamping mode, the integral position of the laser isolator main body is fixed through the fixing base, the rotating position of the rotating base on the upper side is determined, after the rotating angle is determined, the ball head mounting screws on the fixing base firstly penetrate through the upper base station to be fixed, the fixing between the rotating base and the fixing base is guaranteed through the ball head mounting screws, and then according to the reference surface of an external fixing interface, the reference position of the upper base station on the fixed base main body is adjusted, the position of the upper base station relative to the fixed base main body is guaranteed through the limiting nail, the guide part plays a role in guiding, and the extending direction of the guide limiting groove is guaranteed.
As a further scheme of the invention: the lateral walls at the two ends of the upper base platform are matched with the guide parts, so that interference cannot be caused during movement.
As a further scheme of the invention: the limiting screws are arranged on the surface of the rotary base main body in a plurality, and the distance between every two adjacent limiting screws is equal, so that the fixing stability of the rotary base main body relative to the laser isolator main body is guaranteed.
As a further scheme of the invention: the round hole has been seted up on the bottom surface of fixed baseplate main part, and the diameter value of round hole is greater than the maximum diameter value of bulb installation screw, makes things convenient for bulb installation screw to set up in last base station to conveniently install.
The invention provides a TGG free space laser isolator. Compared with the prior art, the method has the following beneficial effects:
when a fixed position has a certain rotation angle, the rotation distance of the laser isolator main body is fixedly installed through the rotation of two rotating bases on the laser isolator main body by different angles, the rotating base main body can displace along the direction of a limiting groove on the laser isolator main body, the limiting groove limits the displacement direction of the rotating base, the rotating base main body is clamped on the limiting groove on the surface of the laser isolator main body through a limiting screw, when the position is fixed by changing the angle, one rotating block rotates along the rotating base main body, an included angle is formed between the two rotating blocks and the rotating base main body, meanwhile, the distance between the two rotating base main bodies is controlled by the limiting screw on the rotating base, after the position is determined, the fastening is carried out through the limiting screw, and the position determination is ensured, the overall position of the laser isolator main body is fixed through the fixing base, because the rotating position of the rotating base on the upper side is determined, after the rotating angle is determined, the ball head mounting screw on the fixing base firstly penetrates through the position of the upper base station to be fixed, the rotating base and the fixing base are ensured to be fixed through the ball head mounting screw, then, the reference position of the upper base station on the fixing base main body is adjusted according to the reference surface of an external fixing interface, the position of the upper base station between the upper base station and the fixing base main body is ensured through the limiting nail, the guide part plays a role in guiding, and further, when the laser fixing base is ensured to be limited and fixed by a certain angle, the stability of the structure can also be ensured.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic diagram of the internal structure of the laser isolator main body according to the present invention.
In the figure: 1. a laser isolator body; 2. a plano-convex lens; 3. a lenticular lens; 4. PBS I; 5. a quartz optical rotation plate; 6. PBS II; 7. a grating hole; 8. TGG; 9. a mirror; 10. a limiting groove; 11. a rotating base; 111. a rotating base body; 112. a restraining screw; 113. rotating the block; 114. a lower mounting base; 12. a fixed base; 121. a fixed base body; 122. a guide portion; 123. an upper base station; 124. an inner spring; 125. limiting nails; 126. mounting a screw on the ball head; 127. and a guide limit groove.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be given with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1-3, a TGG free space laser isolator includes a laser isolator main body 1, a rotating base 11 for rotating the laser isolator main body 1, and a fixing base 12 for fixing the laser isolator main body 1, a plano-convex lens 2 is disposed at an upper end position inside the laser isolator main body 1, a biconvex lens 3 is disposed inside the laser isolator main body 1, a PBS one 4 is disposed inside the laser isolator main body 1 and below the biconvex lens 3, a grating hole 7 is disposed inside the laser isolator main body 1 and between the biconvex lens 3 and the PBS one 4, a TGG8 is disposed at a bottom of the PBS one 4 inside the laser isolator main body 1, a reflecting mirror 9 is fixedly disposed on an end surface of the TGG8, and a quartz optical rotation sheet 5 is fixedly disposed below the TGG8 and inside the laser isolator main body 1, a PBS II 6 is fixedly arranged in the laser isolator main body 1 below the quartz optical rotation sheet 5, a limiting groove 10 is formed in the outer surface of the laser isolator main body 1, the main basic functions of the laser isolator are integrally realized through structural members such as a plano-convex lens 2, a biconvex lens 3, the quartz optical rotation sheet 5, a grating hole 7, a reflector 9 and the like distributed in the laser isolator main body 1;
the rotary base 11 is sleeved on the surface of the laser isolator main body 1, two rotary bases are arranged on the outer surface of the laser isolator main body 1, when the whole laser isolator main body 1 needs to be fixed, the rotary bases 11 can rotate angularly, the rotary blocks 113 in the rotary bases 11 are rotatably connected to the rotary base main body 111, when a fixed position has a certain rotation angle, the rotary distance of the laser isolator main body 1 is fixedly installed by rotating the two rotary bases 11 on the laser isolator main body 1 by different angles, the rotary base main body 111 can displace along the direction of the limiting groove 10 on the laser isolator main body 1, and the limiting groove 10 limits the displacement direction of the rotary bases 11;
the fixed base 12 is fixedly arranged at the bottom of the rotating base 11, and the number of the fixed bases 12 is matched with that of the rotating base 11.
The rotary base 11 comprises a rotary base body 111 arranged on the outer surface of the laser isolator body 1, a rotating block 113 is rotatably provided on the rotating base main body 111, a lower mounting base 114 is fixedly provided on the surface of the rotating block 113, the surface of the rotating base main body 111 is provided with a limiting screw 112, the rotating base main body 111 is clamped on the limiting groove 10 on the surface of the laser isolator main body 1 through the limiting screw 112, when the angle is required to be changed for fixing the position, one of the rotary blocks 113 rotates along the rotary base body 111, so that an included angle is formed between the two rotary blocks 113 with respect to the rotary base body 111, meanwhile, the distance between the two rotating base bodies 111 is controlled by the limiting screw 112 on the rotating base 11, and after the position is determined, the position is ensured by fastening the limiting screw 112.
The fixing base 12 comprises a fixing base main body 121, a guide part 122 is arranged on the upper surface of the fixing base main body 121, an upper base 123 is arranged on the upper side of the fixing base main body 121 in a sliding mode through the guide part 122, guide limiting grooves 127 are formed in the side walls of the two ends of the upper base 123, an inner spring 124 is connected between the fixing base main body 121 and the upper base 123, a ball head mounting screw 126 penetrates through the inner spring 124 and the upper base 123, the upper base 123 is clamped on the lower mounting base 114 through the ball head mounting screw 126, the whole position of the laser isolator main body 1 is fixed through the fixing base 12, the rotating position of the rotating base 11 on the upper side is determined, after the rotating angle is determined, the ball head mounting screw 126 on the fixing base 12 firstly penetrates through the position of the upper base 123 to be fixed, and the fixing base 11 and the fixing base 12 are guaranteed to be fixed through the ball head mounting screw 126, then, the reference position of the upper base 123 on the fixing base body 121 is adjusted according to the reference surface of the fixing interface of the outside, and then the position of the upper base 123 relative to the fixing base body 121 is ensured by the limiting nail 125, the guide portion 122 plays a role of guiding, and the guide limiting groove 127 ensures the extending direction thereof.
The side walls at the two ends of the upper base 123 are matched with the guide part 122, so that interference cannot be caused during movement.
The plurality of limiting screws 112 are arranged on the surface of the rotating base main body 111, and the distances between the adjacent limiting screws 112 are equal, so that the fixing stability of the rotating base main body 111 relative to the laser isolator main body 1 is ensured.
The bottom surface of the fixing base main body 121 is provided with a round hole, and the diameter value of the round hole is larger than the maximum diameter value of the ball head mounting screw 126, so that the ball head mounting screw 126 can be conveniently arranged in the upper base 123 and can be conveniently mounted.
When the laser isolator is used, the laser isolator is realized through structural components such as a plano-convex lens 2, a biconvex lens 3, a quartz optical rotation sheet 5, a grating hole 7, a reflector 9 and the like which are distributed in a laser isolator main body 1, when a fixed position has a certain rotation angle, the rotation distance of the laser isolator main body 1 is fixedly installed through the rotation of two rotary bases 11 on the laser isolator main body 1 in different angles, the rotary base main body 111 can displace along the direction of a limiting groove 10 on the laser isolator main body 1, the limiting groove 10 limits the displacement direction of the rotary base 11, the rotary base main body 111 is clamped on the limiting groove 10 on the surface of the laser isolator main body 1 through a limiting screw 112, when the position is fixed by changing the angle, one rotary block 113 rotates along the rotary base main body 111, so that an included angle is formed between the two rotary blocks 113 relative to the rotary base main body 111, at the same time, the distance between the two rotating base bodies 111 is controlled by the limit screw 112 on the rotating base 11, and after the position is determined, the fastening by the limit screw 112, the position determination, the fixing of the entire position of the laser isolator main body 1 by the fixing base 12, since the rotation position of the upper rotary base 11 is determined, when the rotation angle is determined, the ball head mounting screw 126 on the fixed base 12 is fixed by passing through the position of the upper base 123, the rotating base 11 and the fixed base 12 are fixed by the ball head mounting screw 126, then the reference position of the upper base 123 on the fixed base body 121 is adjusted according to the reference surface of the external fixed interface, then the position of the upper base 123 relative to the fixed base body 121 is ensured by the limiting nail 125, the guide part 122 plays a role in guiding, and the extending direction of the guide limiting groove 127 is ensured.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A TGG free space laser isolator, includes laser isolator main part (1), is used for laser isolator main part (1) pivoted rotating base (11) and is used for fixed laser isolator main part (1) fixed base (12), its characterized in that: a limiting groove (10) is formed in the outer surface of the laser isolator main body (1);
the rotary bases (11) are sleeved on the surface of the laser isolator main body (1), and the number of the rotary bases is two, wherein the outer surface of the laser isolator main body (1) is provided with two rotary bases;
the fixed base (12) is fixedly arranged at the bottom of the rotating base (11), and the number of the fixed base (12) is matched with that of the rotating base (11).
2. The TGG free-space laser isolator of claim 1, wherein: rotating base (11) establish rotating base main part (111) on laser isolator main part (1) surface including the cover, rotating in rotating base main part (111) is provided with rotatory piece (113), the fixed installation base platform (114) down that is provided with on the surface of rotatory piece (113), rotating base main part (111) be provided with restriction screw (112) on the surface, rotating base main part (111) are through restriction screw (112) joint on laser isolator main part (1) restriction groove (10) on the surface.
3. The TGG free-space laser isolator of claim 1, wherein: fixed baseplate (12) is including fixed baseplate main part (121), be provided with guide part (122) on the upper surface of fixed baseplate main part (121), the upside of fixed baseplate main part (121) slides through guide part (122) and is provided with base station (123), direction restriction groove (127) have all been seted up on the both ends lateral wall of going up base station (123), be connected with between fixed baseplate main part (121) and last base station (123) inner spring (124), the inside of inner spring (124) is and be located and run through on base station (123) and be provided with bulb mounting screw (126), it installs on base station (114) under to go up base station (123) through bulb mounting screw (126) joint.
4. A TGG free-space laser isolator according to claim 3, wherein: the side walls at the two ends of the upper base (123) are matched with the guide parts (122).
5. The TGG free-space laser isolator of claim 2, wherein: the limiting screws (112) are provided in plurality on the surface of the rotating base body (111), and the spacing between adjacent limiting screws (112) is equal.
6. A TGG free-space laser isolator according to claim 3, wherein: a round hole is formed in the bottom surface of the fixing base main body (121), and the diameter value of the round hole is larger than the maximum diameter value of the ball head mounting screw (126).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210387201.6A CN114779403A (en) | 2022-04-13 | 2022-04-13 | TGG free space laser isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210387201.6A CN114779403A (en) | 2022-04-13 | 2022-04-13 | TGG free space laser isolator |
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| Publication Number | Publication Date |
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| CN114779403A true CN114779403A (en) | 2022-07-22 |
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| CN202210387201.6A Pending CN114779403A (en) | 2022-04-13 | 2022-04-13 | TGG free space laser isolator |
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| CN210894816U (en) * | 2019-01-04 | 2020-06-30 | 渭南师范学院 | Optical adjusting device |
| CN111446614A (en) * | 2020-05-11 | 2020-07-24 | 无锡信乾承科技有限公司 | Laser with automatic angle adjusting mechanism |
| CN212571688U (en) * | 2020-08-27 | 2021-02-19 | 武汉一本光电有限公司 | Isolator with fixing device for laser |
| CN212694025U (en) * | 2020-06-09 | 2021-03-12 | 西安科峰光电科技有限公司 | Laser ranging calibrator |
| CN212725936U (en) * | 2020-07-11 | 2021-03-16 | 福州弘耀光电技术有限公司 | Isolator with fixing device for laser |
| CN214040068U (en) * | 2021-01-20 | 2021-08-24 | 天津市奥特梅尔光电科技有限公司 | Multi-distance target simulation collimator |
| CN114079711A (en) * | 2020-08-11 | 2022-02-22 | 中路高科交通检测检验认证有限公司 | Linear array camera laser light supplementing collinear adjusting device and method |
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2022
- 2022-04-13 CN CN202210387201.6A patent/CN114779403A/en active Pending
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| JPS5613785A (en) * | 1979-07-16 | 1981-02-10 | Toshiba Corp | Laser centering device |
| JPH09229768A (en) * | 1996-02-26 | 1997-09-05 | Graphtec Corp | Laser utilizing measuring instrument |
| JP2006138970A (en) * | 2004-11-11 | 2006-06-01 | Fujitsu Ltd | Laser diode adjusting and fixing mechanism |
| CN201113220Y (en) * | 2007-09-21 | 2008-09-10 | 南京德朔实业有限公司 | Adjustable laser component |
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Effective date of registration: 20240522 Address after: North side of the first floor of Building A, China Sound Valley Information Innovation Industrial Park, No. 176, Yun'er Road, Hefei Economic and Technological Development Zone, Anhui Province, 230000 Applicant after: ANHUI KERUI SICHUANG CRYSTAL MATERIAL Co.,Ltd. Country or region after: China Address before: 230000 north side of the first floor of plant a, No. 176, Yuner Road, Hefei Economic and Technological Development Zone, Anhui Province Applicant before: Hefei Zhongke Ruiheng New Material Technology Co.,Ltd. Country or region before: China |