CN204903897U - Optical isolator of high space isolation - Google Patents
Optical isolator of high space isolation Download PDFInfo
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- CN204903897U CN204903897U CN201520628678.4U CN201520628678U CN204903897U CN 204903897 U CN204903897 U CN 204903897U CN 201520628678 U CN201520628678 U CN 201520628678U CN 204903897 U CN204903897 U CN 204903897U
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- 238000002955 isolation Methods 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 title abstract description 4
- 230000010287 polarization Effects 0.000 claims abstract description 51
- 239000013078 crystal Substances 0.000 claims description 45
- 239000011521 glass Substances 0.000 claims description 38
- 239000000835 fiber Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
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Abstract
The utility model discloses an optical isolator of high space isolation, including adjustable polarization apparatus, be provided with into light mouth and light -emitting window, the collimater, set up in on the adjustable polarization apparatus, and be located advance guang kouchu, the light beam of collimater outgoing is followed it incides to the polarization apparatus to advance the light mouth, diaphragm spare is provided with first logical unthreaded hole and second and leads to the unthreaded hole, wherein, diaphragm spare set up in on the adjustable polarization apparatus, the light -emitting window with first logical unthreaded hole intercommunication, the second leads to the unthreaded hole and communicates with first logical unthreaded hole, and it is coaxial that light -emitting window, first logical unthreaded hole and second lead to the unthreaded hole, the diameter of first logical unthreaded hole is greater than the diameter of the light beam of collimater outgoing, the diameter that the second leads to the unthreaded hole is greater than the diameter of first logical unthreaded hole. In this way, the utility model discloses the space can be improved and the isolation of light at free space is returned.
Description
Technical field
The utility model relates to optical technical field, particularly relates to a kind of optoisolator of high spatial isolation.
Background technology
Optoisolator is a kind of the Passive Optical Components allowing Unidirectional light to pass through.Semiconductor laser, image intensifer and fiber laser can not be used alone usually, but can be connected to the miscellaneous equipment such as connector or wave filter with the use of, but connector and wave filter can produce space back light, when space back light enters semiconductor laser, image intensifer or fiber laser, semiconductor laser, image intensifer or fiber laser can be damaged.
In order to prevent space back light from returning in semiconductor laser, image intensifer or fiber laser, usually configuring optoisolator, stoping space back light by optoisolator.Optoisolator of the prior art, well can realize forward light and pass through, and backlight is then returned by collimating apparatus orientation, reflects, and can well be fallen by stop.But optoisolator is exported for the irrelevant collimation of polarization, optoisolator output terminal directly directly exports by expanding lens barrel, a fixed-direction can not be prolonged return by restricted quarter back light owing to expanding lens barrel, but arbitrarily angledly on certain space to return, directly can turn back in collimator lens at the back light of certain orientation and be coupled into light path, part light turns back to magnetic polarization apparatus inside and produces scattered light, some scattered lights are entered semiconductor laser by Lens Coupling, the light path system of image intensifer or fiber laser thus affect semiconductor laser, the laser activity of image intensifer or fiber laser.
In addition, fixing for optoisolator, just uses welding technology now mostly, because welding needs with welding gun, temperature to be set to close to the high temperature of 300 DEG C to melt scolding tin, then scolding tin to be filled in collimating apparatus and weld pipe gap, by collimating apparatus together with optoisolator bridge joint.Adopt this technique, not only production efficiency is not high, and consistance is poor, and high to the technical requirement of operator, and production cost is high, and collimating apparatus is also easy under high temperature scald in this, causes output facula poor.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of optoisolator of high spatial isolation, can improve the isolation of space back light at free space.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: the optoisolator providing a kind of high spatial isolation, comprises adjustable polarization apparatus, is provided with light inlet and light-emitting window; Collimating apparatus, is arranged on described adjustable polarization apparatus, and is positioned at described light inlet place, and the light beam of described collimating apparatus outgoing is incident to adjustable polarization apparatus from described light inlet; Diaphragm part, be provided with the first light hole and the second light hole, wherein, described diaphragm part is arranged on described adjustable polarization apparatus light device, described light-emitting window is communicated with described first light hole, and described second light hole is communicated with the first light hole, and described light-emitting window, the first light hole and the second light hole are coaxial, the diameter of described first light hole is greater than the diameter of the light beam of described collimating apparatus outgoing, and the diameter of described second light hole is greater than the diameter of described first light hole.
Wherein, described adjustable polarization apparatus comprises housing, the first birefringece crystal, the first magnetic conduction, the first reflector plate, magnetic rotation crystal, the second reflector plate, the second magnetic conduction, 1/2nd wave plates, the second birefringece crystal, the first magnetic element and the second magnetic element; Described light inlet and light-emitting window lay respectively at the both sides of described housing, described housing is provided with accepting groove and the 3rd light hole, described 3rd light hole is communicated with light inlet with accepting groove respectively, described accepting groove is communicated with light-emitting window, and the diameter of described 3rd light hole is greater than the diameter of the light beam of described collimating apparatus outgoing; Described first birefringece crystal, the first magnetic conduction, the first reflector plate, magnetic rotation crystal, the second reflector plate, the second magnetic conduction, 1/2nd wave plates and the second birefringece crystal are set in turn in described accepting groove, and the contiguous described light inlet of described first birefringece crystal, the contiguous described light-emitting window of described second birefringece crystal; Described first magnetic element and the second magnetic element are arranged at top and the bottom of described housing respectively, and wherein, the distance between described first magnetic element and the second magnetic element is adjustable, and described first magnetic element repels mutually with the second magnetic element.
Wherein, described adjustable polarization apparatus comprises the first lid, dustproof sheet, apical ring, the second lid, the first bolt and the second bolt, the top of described housing arranges the first screw, the bottom of described housing is provided with the second screw, described first lid is provided with the first perforate, described second lid is provided with the second perforate, described first bolt passes described first perforate and is fixed in described first screw, described first magnetic element is arranged between the first lid and housing, described apical ring is arranged between described first magnetic element and described first lid, described second bolt passes described second perforate and is fixed in described second screw, described second magnetic element is arranged between the second lid and housing, described dustproof sheet is arranged between described second magnetic element and described housing.
Wherein, described first birefringece crystal, the first magnetic conduction, the first reflector plate, magnetic rotation crystal, the second reflector plate, the second magnetic conduction, 1/2nd wave plates, the second birefringece crystal, the first magnetic element and the second magnetic element are positioned at same level.
Wherein, described first reflector plate and the second reflector plate are arranged on two logical light faces of described magnetic rotation crystal respectively, and the first reflector plate and the second reflector plate shift to install, and described 1/2nd wave plates are fixed on the end face of described second birefringece crystal.
Wherein, described housing is also provided with the first counterbore, described light-emitting window is positioned at the bottom of described first counterbore, the sidewall that described first counterbore two is relative is provided with the 3rd screw and the 4th screw, described diaphragm part is arranged in described first counterbore, wherein, the endoporus of described first counterbore is greater than the external diameter of described diaphragm part; Described optoisolator also comprises the 3rd bolt and the 4th bolt, and described 3rd bolt passes described 3rd screw and abuts described diaphragm part, and described 4th bolt passes described 4th screw and abuts described diaphragm part.
Wherein, described collimating apparatus comprises expanded core fiber head, the first glass tube and lens, and described expanded core fiber head and lens jacket are connected in described first glass tube; Described optoisolator also comprises the second glass tube, the 3rd glass tube and positioning mounting, described positioning mounting is provided with the second counterbore, one end of described 3rd glass tube is nested in described second counterbore, and the other end of described 3rd glass and the first glass tube are nested in described second glass tube; Described housing is provided with the 3rd counterbore, and described light inlet is positioned at the bottom of described 3rd counterbore, and described positioning mounting is nested in described 3rd counterbore.
Wherein, between described first glass tube and the second glass tube, and fixed by glue between described 3rd glass tube and the second glass tube.
Wherein, described optoisolator also comprises collimating apparatus package module; Described collimating apparatus is packaged in described collimating apparatus package module, and described collimating apparatus package module is fixed on described housing.
Wherein, described optoisolator also comprises and expands lens barrel module; The described lens barrel module that expands is fixed on described housing, and described diaphragm part be partially submerged into described in expand in lens barrel module.
The beneficial effects of the utility model are: the situation being different from prior art, collimating apparatus is arranged on adjustable polarization apparatus by the utility model, and the light beam of collimating apparatus outgoing is incident in adjustable polarization apparatus from the light inlet of adjustable polarization apparatus, diaphragm part is arranged at the light-emitting window of adjustable polarization apparatus, and the light-emitting window of adjustable polarization apparatus is communicated with the first light hole of diaphragm part, second light hole of diaphragm part is communicated with the first light hole, and light-emitting window, first light hole and the second light hole coaxial, to make from incident first light hole of the light of light-emitting window outgoing, and the diameter of the first light hole is greater than the diameter of the light beam of collimating apparatus outgoing, the diameter of the second light hole is greater than the diameter of the first light hole, forward light is only allowed to pass through to make diaphragm part, the clear aperature of compression stroke back light on free space, with make and diaphragm part the first light hole central shaft between the angle space back light that is less than predetermined angular return and enter adjustable polarization apparatus, the space back light in other large portion is blocked in outside adjustable polarization apparatus, improve the isolation of space back light at free space.
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of the optoisolator embodiment of the utility model high spatial isolation;
Fig. 2 is the schematic diagram that in the optoisolator embodiment of the utility model high spatial isolation, collimating apparatus is arranged at adjustable polarization apparatus;
Fig. 3 is the schematic perspective view of adjustable polarization apparatus in the optoisolator embodiment of the utility model high spatial isolation.
Embodiment
For the ease of understanding the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.It should be noted that, when element is stated " being fixed on " another element, it can directly on another element or can there is one or more element placed in the middle therebetween.When an element is stated " connection " another element, it can be directly connected to another element or can there is one or more element placed in the middle therebetween.The term " vertical " that this instructions uses, " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology of using of this instructions and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in instructions of the present utility model in this instructions just in order to describe concrete embodiment is not for limiting the utility model.The term "and/or" that this instructions uses comprises arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 ~ Fig. 3, optoisolator 20 comprises adjustable polarization apparatus 21, collimating apparatus 22 and diaphragm part 23.
Adjustable polarization apparatus 21 is provided with light inlet (sign) and light-emitting window (sign).Collimating apparatus 22 is arranged on adjustable polarization apparatus 21, and is positioned at light inlet place, and the light beam of collimating apparatus 22 outgoing is incident to adjustable polarization apparatus 21 from light inlet.Adjustable polarization apparatus 21 is for rotating the light of incidence, and the angle that adjustable polarization apparatus 21 can regulate light to rotate according to actual needs.Diaphragm part 23 is provided with the first light hole 231 and the second light hole 232, wherein, diaphragm part 23 is arranged on adjustable polarization apparatus, wherein, light-emitting window is communicated with the first light hole 231, and the second light hole 232 is communicated with the first light hole 231, and light-emitting window, the first light hole 231 and the second light hole 232 are coaxial, to make from incident first light hole 231 of the light of light-emitting window outgoing, then through the second light hole 232.Wherein, the diameter of the first light hole 231 is greater than the diameter of the light beam of collimating apparatus 22 outgoing, the diameter of the second light hole is greater than the diameter of the first light hole, forward light is allowed to pass through to make diaphragm part 23, compression returns the clear aperature of space back light on free space, be only allow and diaphragm part 23 the first light hole 231 central shaft between the angle space back light that is less than predetermined angular return and enter adjustable polarization apparatus 21, the space back light in other large portion is blocked in outside adjustable polarization apparatus 21, thus improve the isolation of space back light at free space.
It should be noted that: the diameter of the first light hole 231 is slightly larger than the diameter of the light beam of collimating apparatus 22 outgoing, the diameter of the second light hole is slightly larger than the diameter of the first light hole, enter in adjustable polarization apparatus 21 to avoid too much space back light to return, wherein, the diameter of the first light hole 231 larger than the diameter of the light beam of collimating apparatus 22 outgoing 0.01 centimetre to 0.2 centimetre.
Concrete, adjustable polarization apparatus 21 comprises housing 211, first birefringece crystal 212, first magnetic conduction 213, first reflector plate 214, magnetic rotation crystal 215, second reflector plate 216, second magnetic conduction 217,1/2nd wave plate 218, second birefringece crystal 219, first magnetic element 220 and the second magnetic element 221.
Light inlet and light-emitting window lay respectively at the both sides of housing 211, housing 211 is provided with accepting groove 2111 and the 3rd light hole 2112,3rd light hole 2112 is communicated with light inlet with accepting groove 2111 respectively, accepting groove 2111 is communicated with light-emitting window, and the diameter of the 3rd light hole 2112 is greater than the diameter of the light beam of collimating apparatus 22 outgoing, incident to facilitate from the light beam of collimating apparatus 22 outgoing.First birefringece crystal 212, first magnetic conduction 213, first reflector plate 214, magnetic rotation crystal 215, second reflector plate 216, second magnetic conduction 217,1/2nd wave plate 218 and the second birefringece crystal 219 are set in turn in accepting groove 2111, and the contiguous light inlet of the first birefringece crystal 212, the contiguous described light-emitting window of the second birefringece crystal 219.First magnetic element 220 and the second magnetic element 221 are arranged at top and the bottom of housing 211 respectively, wherein, distance between first magnetic element 220 and the second magnetic element 221 is adjustable, and the first magnetic element 220 repels with the second magnetic element 221 phase.Wherein, the first magnetic conduction 213, first reflector plate 214, magnetic rotation crystal 215, second reflector plate 216, second magnetic conduction 217, first magnetic element 220 and the second magnetic element 221 form adjustable polarization apparatus 21.Wherein, adjustable polarization apparatus 21 is equivalent to adjustable Faraday polarization apparatus, during distance between change first magnetic element 220 and the second magnetic element 221, the magnetic field of adjustable polarization apparatus 21 inside changes, thus plays the effect of the anglec of rotation of the polarized light regulating magnetic rotation crystal 215.Concrete, adjustable polarization apparatus 21 mainly will rotate in the same direction 45 degree by the polarized light of the specific wavelength of magnetic rotation crystal 215 forward or backwards.In the present embodiment, first birefringece crystal 212, first magnetic conduction 213, first reflector plate 214, magnetic rotation crystal 215, second reflector plate 216, second magnetic conduction 217,1/2nd wave plate 218, second birefringece crystal 219, first magnetic element 220 and the second magnetic element 221 are positioned at same level, first reflector plate 214 and the second reflector plate 216 are arranged on two logical light faces of described magnetic rotation crystal respectively, and the first reflector plate 214 and the second reflector plate 216 shift to install, and 1/2nd wave plates 218 are fixed on the end face of the second birefringece crystal 219.
Further, adjustable polarization apparatus 21 comprises the first lid 222, apical ring 223, second lid 224, dustproof sheet 225, first bolt 226 and the second bolt 227.The top of housing 211 arranges the first screw (sign), the bottom of housing 211 is provided with the second screw (sign), first lid 222 is provided with the first perforate (sign), second lid 224 is provided with the second perforate (sign), first bolt 226 passes the first perforate and is fixed in the first screw, first magnetic element 220 is arranged between the first lid 222 and housing 211, apical ring 223 is arranged between the first magnetic element 220 and the first lid 222, wherein, having between first lid 222 and the first magnetic element 220 can the gap of transfer, by regulating the gap length between the first lid 222 and the first magnetic element 220, thus regulate the distance between the first magnetic element 220 and the second magnetic element 221.Second bolt 227 passes the second perforate and is fixed in the second screw, and the second magnetic element 221 is arranged between the second lid 224 and housing 211, and dustproof sheet 225 is arranged between the second magnetic element 221 and housing 211.
Conveniently regulate the position of diaphragm part 23, housing 211 is also provided with the first counterbore 2113, light-emitting window is positioned at the bottom of the first counterbore 2113, the two opposite side walls of the first counterbore 2113 is provided with the 3rd screw (sign) and the 4th screw (sign), diaphragm part 23 is arranged in the first counterbore 2113, wherein, the endoporus of the first counterbore 2113 is greater than the external diameter of diaphragm part 23.Optoisolator 20 also comprises the 3rd bolt (sign) and the 4th bolt (sign), 3rd bolt passes the 3rd screw and abuts diaphragm part 23,4th bolt through the 4th screw be connected to diaphragm part 23, by regulating the 3rd bolt and the 4th bolt and the position of adjustable diaphragm part 23 in the first counterbore 2113; Certainly, the sidewall that also can be arranged on the first counterbore 2113 arranges more screw, and optoisolator 20 comprises better bolt, and bolt is connected to the surrounding of diaphragm part 23, to realize the upper and lower, left and right adjustment of diaphragm part 23.
Collimating apparatus 22 comprises expanded core fiber head 226, first glass tube 227 and lens 228, and expanded core fiber head 226 and lens 228 are socketed in the first glass tube 227.Optoisolator 20 also comprises the second glass tube 24, the 3rd glass tube 25 and positioning mounting 26, positioning mounting 26 is provided with the second counterbore (sign), one end of 3rd glass tube 25 is nested in the second counterbore, the other end and first glass tube 227 of the 3rd glass tube 25 are nested in the second glass tube 24, realize first, second, third glass tube and fix.Housing 211 is provided with the 3rd counterbore 2114, and light inlet is positioned at the bottom of the 3rd counterbore, and positioning mounting 26 is nested in the 3rd counterbore 2114.
In order to protect collimating apparatus 22 better, optoisolator 20 also comprises collimating apparatus package module 28.Collimating apparatus is packaged on collimating apparatus package module, and collimating apparatus package module 28 is fixed on housing 211.
Optoisolator 20 also comprises and expands lens barrel module 29.Expand lens barrel module 29 to be fixed on housing 211, and diaphragm part 23 is partially submerged into and expands in lens barrel module 29, expands lens barrel module 29 for expanding process to light beam.
What deserves to be explained is: conveniently assemble optoisolator 20, improve the production efficiency of optoisolator 20, yield and consistance, in optoisolator 20, most of element is all that usual glue is fixed, such as: the first birefringece crystal 212, first reflector plate 214, magnetic rotation crystal 215, second reflector plate 216, / 2nd wave plates 218 and the second birefringece crystal 219 are fixed in accepting groove 2111 by glue, between first glass tube 227 and the second glass tube 24, and the 3rd is fixed by glue between glass tube 25 and the second glass tube 24, one end of 3rd glass tube 25 to be also fixed in the second counterbore etc. by glue.
In the utility model embodiment, collimating apparatus is arranged on adjustable polarization apparatus, and the light beam of collimating apparatus outgoing is incident in adjustable polarization apparatus from the light inlet of adjustable polarization apparatus, diaphragm part is arranged at the light-emitting window of adjustable polarization apparatus, and the light-emitting window of adjustable polarization apparatus is communicated with the first light hole of diaphragm part, second light hole of diaphragm part is communicated with the first light hole, and light-emitting window, first light hole and the second light hole coaxial, to make from incident first light hole of the light of light-emitting window outgoing, and the diameter of the first light hole is greater than the diameter of the light beam of collimating apparatus outgoing, the diameter of the second light hole is greater than the diameter of the first light hole, forward light is only allowed to pass through to make diaphragm part, the clear aperature of compression stroke back light on free space, with make and diaphragm part the first light hole central shaft between the angle space back light that is less than predetermined angular return and enter adjustable polarization apparatus, the space back light in other large portion is blocked in outside adjustable polarization apparatus, improve the isolation of space back light at free space.
It should be noted that, preferably embodiment of the present utility model is given in instructions of the present utility model and accompanying drawing thereof, but, the utility model can be realized by many different forms, be not limited to the embodiment described by this instructions, these embodiments not as the extra restriction to the utility model content, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.Further, above-mentioned each technical characteristic continues combination mutually, is formed not at above-named various embodiment, is all considered as the scope that the utility model instructions is recorded; Further, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (10)
1. an optoisolator for high spatial isolation, is characterized in that, comprising:
Adjustable polarization apparatus, is provided with light inlet and light-emitting window;
Collimating apparatus, is arranged on described adjustable polarization apparatus, and is positioned at described light inlet place, and the light beam of described collimating apparatus outgoing is incident to described adjustable polarization apparatus from described light inlet;
Diaphragm part, be provided with the first light hole and the second light hole, wherein, described diaphragm part is arranged on described adjustable polarization apparatus, described light-emitting window is communicated with described first light hole, and described second light hole is communicated with the first light hole, and described light-emitting window, the first light hole and the second light hole are coaxial, the diameter of described first light hole is greater than the diameter of the light beam of described collimating apparatus outgoing, and the diameter of described second light hole is greater than the diameter of described first light hole.
2. optoisolator according to claim 1, is characterized in that,
Described adjustable polarization apparatus comprises housing, the first birefringece crystal, the first magnetic conduction, the first reflector plate, magnetic rotation crystal, the second reflector plate, the second magnetic conduction, 1/2nd wave plates, the second birefringece crystal, the first magnetic element and the second magnetic element;
Described light inlet and light-emitting window lay respectively at the both sides of described housing, described housing is provided with accepting groove and the 3rd light hole, described 3rd light hole is communicated with light inlet with described accepting groove respectively, described accepting groove is communicated with light-emitting window, and the diameter of described 3rd light hole is greater than the diameter of the light beam of described collimating apparatus outgoing;
Described first birefringece crystal, the first magnetic conduction, the first reflector plate, magnetic rotation crystal, the second reflector plate, the second magnetic conduction, 1/2nd wave plates and the second birefringece crystal are set in turn in described accepting groove, and the contiguous described light inlet of described first birefringece crystal, the contiguous described light-emitting window of described second birefringece crystal;
Described first magnetic element and the second magnetic element are arranged at top and the bottom of described housing respectively, and wherein, the distance between described first magnetic element and the second magnetic element is adjustable, and described first magnetic element repels mutually with the second magnetic element.
3. optoisolator according to claim 2, is characterized in that,
Described adjustable polarization apparatus comprises the first lid, dustproof sheet, apical ring, the second lid, the first bolt and the second bolt;
The top of described housing arranges the first screw, the bottom of described housing is provided with the second screw, described first lid is provided with the first perforate, described second lid is provided with the second perforate, described first bolt passes described first perforate and is fixed in described first screw, described first magnetic element is arranged between the first lid and housing, described apical ring is arranged between described first magnetic element and described first lid, described second bolt passes described second perforate and is fixed in described second screw, described second magnetic element is arranged between the second lid and housing, described dustproof sheet is arranged between described second magnetic element and described housing.
4. optoisolator according to claim 2, is characterized in that,
Described first birefringece crystal, the first magnetic conduction, the first reflector plate, magnetic rotation crystal, the second reflector plate, the second magnetic conduction, 1/2nd wave plates, the second birefringece crystal, the first magnetic element and the second magnetic element are positioned at same level.
5. optoisolator according to claim 2, is characterized in that,
Described first reflector plate and the second reflector plate are arranged on two logical light faces of described magnetic rotation crystal respectively, and described first reflector plate and the second reflector plate shift to install, and described 1/2nd wave plates are fixed on the end face of described second birefringece crystal.
6. optoisolator according to claim 2, is characterized in that,
Described housing is also provided with the first counterbore, described light-emitting window is positioned at the bottom of described first counterbore, the sidewall that described first counterbore two is relative is provided with the 3rd screw and the 4th screw, described diaphragm part is arranged in described first counterbore, wherein, the endoporus of described first counterbore is greater than the external diameter of described diaphragm part;
Described optoisolator also comprises the 3rd bolt and the 4th bolt, and described 3rd bolt passes described 3rd screw and abuts described diaphragm part, and described 4th bolt passes described 4th screw and abuts described diaphragm part.
7. optoisolator according to claim 2, is characterized in that,
Described collimating apparatus comprises expanded core fiber head, the first glass tube and lens, and described expanded core fiber head and lens jacket are connected in described first glass tube;
Described optoisolator also comprises the second glass tube, the 3rd glass tube and positioning mounting, described positioning mounting is provided with the second counterbore, one end of described 3rd glass tube is nested in described second counterbore, and the other end of described 3rd glass and the first glass tube are nested in described second glass tube;
Described housing is provided with the 3rd counterbore, and described light inlet is positioned at the bottom of described 3rd counterbore, and described positioning mounting is nested in described 3rd counterbore.
8. optoisolator according to claim 7, is characterized in that,
Between described first glass tube and the second glass tube, and all fixed by glue between described 3rd glass tube and the second glass tube.
9. optoisolator according to claim 2, is characterized in that,
Described optoisolator also comprises collimating apparatus package module;
Described collimating apparatus is packaged on described collimating apparatus package module, and described collimating apparatus package module is fixed on described housing.
10. optoisolator according to claim 2, is characterized in that,
Described optoisolator also comprises and expands lens barrel module;
The described lens barrel module that expands is fixed on described housing, and described diaphragm part be partially submerged into described in expand in lens barrel module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628678.4U CN204903897U (en) | 2015-08-20 | 2015-08-20 | Optical isolator of high space isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628678.4U CN204903897U (en) | 2015-08-20 | 2015-08-20 | Optical isolator of high space isolation |
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| Publication Number | Publication Date |
|---|---|
| CN204903897U true CN204903897U (en) | 2015-12-23 |
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| CN201520628678.4U Expired - Fee Related CN204903897U (en) | 2015-08-20 | 2015-08-20 | Optical isolator of high space isolation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527677A (en) * | 2016-02-02 | 2016-04-27 | 深圳市创鑫激光股份有限公司 | Method for manufacturing optical isolator and optical isolator |
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- 2015-08-20 CN CN201520628678.4U patent/CN204903897U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527677A (en) * | 2016-02-02 | 2016-04-27 | 深圳市创鑫激光股份有限公司 | Method for manufacturing optical isolator and optical isolator |
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