CN202394005U - Isolator core and optical isolator manufactured by using same - Google Patents
Isolator core and optical isolator manufactured by using same Download PDFInfo
- Publication number
- CN202394005U CN202394005U CN2011205300856U CN201120530085U CN202394005U CN 202394005 U CN202394005 U CN 202394005U CN 2011205300856 U CN2011205300856 U CN 2011205300856U CN 201120530085 U CN201120530085 U CN 201120530085U CN 202394005 U CN202394005 U CN 202394005U
- Authority
- CN
- China
- Prior art keywords
- polaroid
- isolator core
- isolator
- optical rotation
- rotation plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an isolator core. The isolator core mainly comprises at least one optical rotation sheet and at least two polaroid sheets, wherein the optical rotation sheet is clamped between the two polaroid sheets; the first polaroid sheet is a polarizing polaroid sheet, and one end face of the polarizing polaroid sheet, which is far from the optical rotation sheet, is an incident light surface; the last polaroid sheet is a polarization detecting polaroid sheet, and one end face of the polarization detecting polaroid sheet, which is far from the optical rotation sheet, is an emergent light surface; the isolator core is of a quadrangular shape; and the incident light surface and the emergent light surface of the isolator core are formed on the bottom surface of the quadrangular prism respectively. The utility model also discloses an optical isolator manufactured by using the isolator core, and when the optical isolator is mounted, the isolator core is directly and horizontally pushed into a magnetic ring so that an included angle is formed between the perpendicular direction of the incident light surface and the emergent light surface of the isolator core and the axial direction of the magnetic ring, and any laminated piece is not needed, so that the mounting process is greatly simplified, and the assembling efficiency is increased.
Description
Technical field
The utility model relates to the making of free space isolator, is specially a kind of isolator core, and the utility model also relates to the optoisolator that uses this isolator core to make.
Background technology
The free space optoisolator is one of micro-optical device of optical communication, and direction of light is limited, make light can only folk prescription to transmission, can well be isolated by optoisolator through the light of optical fiber echo reflection, improve light wave transmissions efficient.The free space optoisolator comprises isolator core, magnet ring and with the nested external package pipe within it of magnet ring, the isolator core is nested in the magnet ring.The isolator core is the core component of free space optoisolator, and it is bonded as one 2 polaroids and 1 optical rotation plate through optical cement is bonding at least at least.When making the single-stage optoisolator, the isolator core is linked to each other successively with the analyzing polaroid and is constituted by an inclined to one side polaroid, optical rotation plate.When making the twin-stage optoisolator, the isolator core is linked to each other successively with the analyzing polaroid and is constituted by an inclined to one side polaroid, the 1st optical rotation plate, the 1st polaroid, the 2nd optical rotation plate.When making multi-stage light isolator, the isolator core by rise an inclined to one side polaroid, the 1st optical rotation plate, the 1st polaroid, the 2nd optical rotation plate, the 2nd polaroid, the 2nd optical rotation plate ... With the analyzing polaroid formation that links to each other successively.Wherein first polaroid has been inclined to one side polaroid, and an inclined to one side polaroid is an incidence surface away from an end of optical rotation plate; Last a slice polaroid is the analyzing polaroid, and the analyzing polaroid is an exiting surface away from an end of optical rotation plate.
Traditional isolator core, like Fig. 1,2; 3; Shown in 4, be to be bonded as one through at least 2 polaroids and at least 1 optical rotation plate to form isolator core substrate, be put into isolator core substrate on the horizontal table again; The horizontal and vertical then perpendicular cuts of carrying out respectively, obtaining bottom surface, to be square straight quadrangular be square plate.When making optoisolator; Isolator core level is pushed in the magnet ring; And make that the vertical line direction of isolator core incidence surface and exiting surface is parallel with the axis direction of magnet ring; The isolator of this structure is when incident light is injected optoisolator, and the reflected light that its incidence surface forms can directly turn back in the light source, light source is formed disturb.Reflected light forms the problem of disturbing in the optoisolator to light source in order to solve; Need the isolator core be tilted to push in the magnet ring in the present optoisolator; Between isolator core and magnet ring, set up lamination then, as shown in Figure 5, and make the vertical line direction of isolator core incidence surface and exiting surface and the axis direction of magnet ring have an angle; The isolator of this structure is when incident light is injected optoisolator; Reflected light on its incidence surface is avoided light source is formed interference with the angle deviating light source of 2 α, improves the stability of optoisolator.Yet the optoisolator of above-mentioned incline structure need be set up lamination when mounted, has therefore increased mounting hardness; And the inclination angle of assembling is to control according to workman's skill level; The degree of accuracy at inclination angle can not be precisely controlled, influenced the direction of reflected light path, causes light source to be interfered.
The utility model content
The utility model technical matters to be solved provides a kind of isolator core that has the angle of inclination, the optoisolator that also provides a kind of this isolator core of use simple in structure, that assembling is easy, incidence surface is the dip plane to make.
For solving the problems of the technologies described above; The isolator core of the utility model design mainly is made up of at least 1 optical rotation plate and 2 polaroids at least, and optical rotation plate is clipped between 2 polaroids; Wherein first polaroid has been inclined to one side polaroid, and the end face away from optical rotation plate in the inclined to one side polaroid is an incidence surface; Last a slice polaroid is the analyzing polaroid, and the end face away from optical rotation plate in the analyzing polaroid is an exiting surface, and said isolator core is oblique four prism type, and the bottom surface of this oblique quadrangular forms the incidence surface and the exiting surface of isolator core respectively.
The installation of isolator core for ease and fixing, the bottom surface of said oblique quadrangular preferably is square.
For the reflected light that makes incidence surface with deviation in driction light source preferably, strengthen the stability of light, the angle of inclination of said oblique quadrangular can be between 1～13 °; This angle of inclination the best is 7 °.Be that the isolator core can tilt to the incidence surface direction, also can tilt to the exiting surface direction.
The utility model also comprises the optoisolator that uses above-mentioned isolator core to make.
Described optoisolator; Comprise nested successively isolator core, magnet ring and external package pipe; The isolator core is assemblied in the magnet ring, and wherein the isolator core mainly is made up of at least 1 optical rotation plate and 2 polaroids at least, and optical rotation plate is clipped between 2 polaroids; Wherein first polaroid has been inclined to one side polaroid, and the end face away from optical rotation plate in the inclined to one side polaroid is an incidence surface; Last a slice polaroid is the analyzing polaroid, and the end face away from optical rotation plate in the analyzing polaroid is an exiting surface, and said isolator core is oblique four prism type, and the bottom surface of this oblique quadrangular is respectively incidence surface and the exiting surface that forms the isolator core.
The bottom surface of said oblique quadrangular can be square, parallelogram, but in order further to simplify the efficient of assembling process and assembling, and the isolator core better is packed in the magnet ring, and the bottom surface of oblique quadrangular is preferably square.
The bottom surface of the said oblique quadrangular of such scheme is square.
The angle of inclination of the said oblique quadrangular of such scheme can be between 1～13 °; This angle of inclination the best is 7 °.
Compared with prior art, the utlity model has following advantage:
1, the isolator core of the utility model design is oblique quadrangular; The bottom surface of this oblique quadrangular is respectively incidence surface and the exiting surface that forms the isolator core; When optoisolator is installed, directly isolator core level is pushed magnet ring, just make the vertical line direction of isolator core incidence surface and exiting surface and the axis direction of magnet ring have an angle, need not set up any lamination; Simplify mounting process greatly, improved efficiency of assembling;
2, tiltedly the bottom surface of quadrangular is square; Be that the angle that the axis direction of vertical line direction and the magnet ring of isolator core incidence surface and exiting surface has is the inclination angle of oblique quadrangular; It passes through the inclination angle of the cutting angle of control isolator core with regard to the may command incidence surface, makes the degree of accuracy at its inclination angle high.
Description of drawings
Fig. 1 is the structural representation of existing isolator core;
Fig. 2 is the front view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 is the side view of Fig. 1;
Fig. 5 is the structural representation of existing optoisolator;
Fig. 6 is the structural representation of the utility model isolator core;
Fig. 7 is the front view of Fig. 6;
Fig. 8 is the vertical view of Fig. 6;
Fig. 9 is the side view of Fig. 6;
Figure 10 is the structural representation of the utility model optoisolator.
Label is among the figure: 1, optical rotation plate; 2, polaroid; 3, incidence surface; 4, exiting surface; 5, magnet ring; 6, external package pipe.
Embodiment
The isolator core of the utility model; Mainly form by at least 1 optical rotation plate 1 and at least 2 polaroids 2; Optical rotation plate 1 is clipped between 2 polaroids 2, and wherein first polaroid 2 has been inclined to one side polaroid, and the end face away from optical rotation plate 1 in the inclined to one side polaroid is an incidence surface 3; Last a slice polaroid 2 is the analyzing polaroid, and the end face away from optical rotation plate 1 in the analyzing polaroid is an exiting surface 4, and said isolator core is oblique four prism type, and the bottom surface of this oblique quadrangular forms the incidence surface 3 and exiting surface 4 of isolator core respectively.In the present embodiment, for single-stage isolator core, like Fig. 6,7,8, shown in 9, mainly form by 1 optical rotation plate 1 and 2 polaroids 2.The bottom surface of said oblique quadrangular can be parallelogram; Also can be square; When tiltedly the bottom surface of quadrangular is parallelogram, be horizontal and vertical inclined cut two cuttves respectively on isolator core substrate, obtain the bottom surface of oblique quadrangular and the side of oblique quadrangular and all tilt crossing.Being in the oblique bottom surface of quadrangular when square, is that transverse pitch cuts two cuttves and vertical perpendicular cuts two cuttves on isolator core substrate, and cutting knife is all identical with the inclination angle of isolator core during each inclined cut, and two promptly relative dip plane are parallel to each other; Or laterally perpendicular cuts two cuttves cut two cuttves with fore-and-aft tilt, and promptly the bottom surface of oblique quadrangular is vertical with one group of opposite flank.In order to be convenient to the installation of optoisolator more, in this preferred embodiment, the bottom surface of oblique quadrangular is square, further is square.
The angle of inclination of said oblique quadrangular is β; The vertical line direction of this angle and isolator core incidence surface and exiting surface intersects angle with the axis direction of magnet ring 5 and equates; This angle can be the angle that can cut into arbitrarily, but in order to make incident light better depart from light source at the reflected light that incidence surface 3 forms, in the present embodiment; Tiltedly the inclination angle beta of quadrangular is between 1～13 °, and is preferably 7 °.
A kind of optoisolator of the utility model; Shown in figure 10, comprise nested successively isolator core, magnet ring 5 and external package pipe 6, the isolator core is assemblied in the magnet ring 5; Wherein the isolator core mainly is made up of 1 optical rotation plate 1 and 2 polaroids 2; Optical rotation plate 1 is clipped between 2 polaroids 2, and wherein first polaroid 2 has been inclined to one side polaroid, and the end face away from optical rotation plate 1 in the inclined to one side polaroid is an incidence surface 3; Last a slice polaroid 2 is the analyzing polaroid, and the end face away from optical rotation plate 1 in the analyzing polaroid is an exiting surface 4, and said isolator core is oblique four prism type, and the bottom surface of this oblique quadrangular is respectively the incidence surface 3 and exiting surface 4 that forms the isolator core.Said incidence surface 3 is square with exiting surface 4; Tiltedly the inclination angle beta of quadrangular is 7 °; Be that the vertical line direction of isolator core incidence surface and exiting surface and the crossing angle of axis direction of magnet ring 5 also are 7 °; The reflected light of incident light on incidence surface 3 will depart from light source with 14 °, can not form light source and disturb.
When optoisolator is installed, at microscopically, at first in external package pipe 6, put optic-solidified adhesive, magnet ring 5 is fitted in the external package pipe 6; Optic-solidified adhesive on the corresponding position point in magnet ring 5 is as shown in Figure 5 again, and the isolator core was fallen; With facing down that oblique quadrangular bottom surface tilts to intersect, be placed into the port of magnet ring 5, make the face that tilts to intersect with oblique quadrangular bottom surface parallel with surface level; The exiting surface 4 of isolator core is aimed at the port of magnet ring 5, and at this moment, incidence surface 3 and exiting surface 4 are horizontal by 7 ° of angles; Incidence surface 3 is vertical with its left and right sides adjacent surface; Again isolator core level is pushed in the magnet ring 5, carry out the curing of optic-solidified adhesive at last, accomplish the making of optoisolator.The axis direction of the isolator core incidence surface of the optoisolator of processing and the vertical line direction of exiting surface and magnet ring 5 has 7 ° of angles; The reflected light of incident light on incidence surface 3 departs from light source with 14 °; Avoid light source is formed interference, improve the stability of optoisolator.
Claims (8)
1. isolator core; Mainly form by at least 1 optical rotation plate (1) and at least 2 polaroids (2); Optical rotation plate (1) is clipped between 2 polaroids (2), and wherein first polaroid (2) has been inclined to one side polaroid, and the end face away from optical rotation plate (1) in the inclined to one side polaroid is incidence surface (3); Last a slice polaroid (2) is the analyzing polaroid; End face away from optical rotation plate (1) in the analyzing polaroid is exiting surface (4); It is characterized in that: said isolator core is oblique four prism type, and the bottom surface of this oblique quadrangular forms the incidence surface (3) and the exiting surface (4) of isolator core respectively.
2. isolator core according to claim 1 is characterized in that: the bottom surface of said oblique quadrangular is square.
3. isolator core according to claim 2 is characterized in that: the angle of inclination of said oblique quadrangular is between 1～13 °.
4. isolator core according to claim 3 is characterized in that: the angle of inclination of said oblique quadrangular is 7 °.
5. optoisolator; Comprise nested successively isolator core, magnet ring (5) and external package pipe (6); The isolator core is assemblied in the magnet ring (5), and wherein the isolator core mainly is made up of at least 1 optical rotation plate (1) and 2 polaroids (2) at least, and optical rotation plate (1) is clipped between 2 polaroids (2); Wherein first polaroid (2) has been inclined to one side polaroid, and the end face away from optical rotation plate (1) in the inclined to one side polaroid is incidence surface (3); Last a slice polaroid (2) is the analyzing polaroid; End face away from optical rotation plate (1) in the analyzing polaroid is exiting surface (4); It is characterized in that: said isolator core is oblique four prism type, and the bottom surface of this oblique quadrangular is respectively incidence surface (3) and the exiting surface (4) that forms the isolator core.
6. optoisolator according to claim 5 is characterized in that: the bottom surface of said oblique quadrangular is square.
7. optoisolator according to claim 6 is characterized in that: the angle of inclination of said oblique quadrangular is between 1～13 °.
8. optoisolator according to claim 7 is characterized in that: the angle of inclination of said oblique quadrangular is 7 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205300856U CN202394005U (en) | 2011-12-19 | 2011-12-19 | Isolator core and optical isolator manufactured by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205300856U CN202394005U (en) | 2011-12-19 | 2011-12-19 | Isolator core and optical isolator manufactured by using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202394005U true CN202394005U (en) | 2012-08-22 |
Family
ID=46668919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205300856U Expired - Lifetime CN202394005U (en) | 2011-12-19 | 2011-12-19 | Isolator core and optical isolator manufactured by using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202394005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402025A (en) * | 2011-12-19 | 2012-04-04 | 桂林市光隆光电科技有限公司 | Isolator core and optoisolator manufactured by using isolator core |
| CN105137622A (en) * | 2015-10-19 | 2015-12-09 | 无限光通讯(深圳)有限公司 | Angle fixing method for internal optical chip of free space isolator |
-
2011
- 2011-12-19 CN CN2011205300856U patent/CN202394005U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102402025A (en) * | 2011-12-19 | 2012-04-04 | 桂林市光隆光电科技有限公司 | Isolator core and optoisolator manufactured by using isolator core |
| CN105137622A (en) * | 2015-10-19 | 2015-12-09 | 无限光通讯(深圳)有限公司 | Angle fixing method for internal optical chip of free space isolator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102402025A (en) | Isolator core and optoisolator manufactured by using isolator core | |
| CN102661543A (en) | Backlight module and liquid crystal display device | |
| CN202394005U (en) | Isolator core and optical isolator manufactured by using same | |
| CN103197389A (en) | Novel light path coupling optical fiber array | |
| CN103217803A (en) | Polarization coupling device for semi-conductor laser device adopting prism | |
| CN202472026U (en) | Wire grid polaroid and optical sensor | |
| CN102087399B (en) | Method for fixing prism | |
| CN102620199B (en) | Backlight module and liquid crystal display device | |
| CN102152002B (en) | Laser cutting equipment and cutting method | |
| CN203572488U (en) | Laser point throwing instrument and beam splitting device thereof | |
| CN102946704B (en) | Middle frame and liquid crystal display device | |
| CN203838376U (en) | Wavelength division multiplexer for compensating coupling loss of 8-degree inclination end face | |
| US20140199024A1 (en) | Optical coupling lens | |
| CN201364400Y (en) | Wave-filtering self-focusing lens | |
| CN208922017U (en) | A kind of back light mould group | |
| CN203433180U (en) | Local coating-film entity composite paraboloid type condenser | |
| CN208255527U (en) | A kind of two eyeglasses discrepancy light laser galvanometer system in the same direction | |
| CN202067000U (en) | Laser coupling transmission system | |
| CN202362475U (en) | Polarized beam splitter prism using optical contact | |
| CN201820035U (en) | Light beam quality uniformization device for fast and slow shafts of large-power semiconductor laser array | |
| CN204462520U (en) | A kind of optical texture | |
| CN203930119U (en) | Compact WWDM device and filter plate fixture thereof | |
| CN202854412U (en) | Coupling, aligning and paralleling apparatus for PLC | |
| CN102419469A (en) | Optical path micro-adjustment device and method | |
| CN203930118U (en) | Continuous variable damping mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 541004 Guanglong Science Park A, Chaoyang Road National Information Industry Park D-08, Guilin High-tech Zone, Guangxi Zhuang Autonomous Region Patentee after: GLsun Science and Technology Co., Ltd Address before: 541004 Guanglong Science Park A, Chaoyang Road National Information Industry Park D-08, Guilin High-tech Zone, Guangxi Zhuang Autonomous Region Patentee before: Guanglong Photoelectric Science & Technolgoy Co., Ltd., Guilin City |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Isolator core and optoisolator manufactured by using isolator core Effective date of registration: 20190429 Granted publication date: 20120822 Pledgee: Qixing Branch of Guilin Bank Co., Ltd. Pledgor: GLsun Science and Technology Co., Ltd Registration number: 2019450000015 |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 541004 Guanglong Science Park A, Chaoyang Road National Information Industry Park D-08, Guilin High-tech Zone, Guangxi Zhuang Autonomous Region Patentee after: GUILIN GUANGLONG SCIENCE AND TECHNOLOGY GROUP Co.,Ltd. Address before: 541004 Guanglong Science Park A, Chaoyang Road National Information Industry Park D-08, Guilin High-tech Zone, Guangxi Zhuang Autonomous Region Patentee before: GLsun Science and Technology Co.,Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211014 Granted publication date: 20120822 Pledgee: Qixing Branch of Guilin Bank Co.,Ltd. Pledgor: GLsun Science and Technology Co.,Ltd. Registration number: 2019450000015 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120822 |