CN203551898U - Kilowatt online isolator - Google Patents
Kilowatt online isolator Download PDFInfo
- Publication number
- CN203551898U CN203551898U CN201320592586.6U CN201320592586U CN203551898U CN 203551898 U CN203551898 U CN 203551898U CN 201320592586 U CN201320592586 U CN 201320592586U CN 203551898 U CN203551898 U CN 203551898U
- Authority
- CN
- China
- Prior art keywords
- polarization beam
- beam apparatus
- water
- collimating
- multikilowatt
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model discloses a kilowatt online isolator. A mode stripper 14, a collimator a3, a faraday rotator 5, a 1/2 wave plate 6 and a collimator b10 are mounted on a positive light incidence optical axis; the collimator a3 and the collimator b10 are respectively provided with an optical fiber pigtail 2, an end cap 15 and a lens 16; a polarization beam splitter a4 is mounted between the collimator a3 and the faraday rotator 5; a polarization beam splitter b7 is mounted between the 1/2 wave plate 6 and the collimator b10; the mode stripper 14, the collimator a3, the faraday rotator 5, the 1/2 wave plate 6, the collimator b10, the polarization beam splitter a4 and the polarization beam splitter b7 are mounted in a water cooling packaging device 12; the wall in the water cooling packaging device 12 corresponding to the polarization beam splitter a4 is provided with a -5-0 millimeters diaphragm F 13. Compared with the traditional technology, the kilowatt online isolator is stable in working performance, has advantages of small insertion loss and high radiating efficiency, and is applicable to the optical field, such as high-power pulse laser.
Description
Technical field
The utility model relates to a kind of isolator, and especially a kind of multikilowatt, at line style isolator, belongs to laser, sensing and optical fiber communication technology field.
Background technology
Optoisolator be allow light to a direction by the passive device that stops to pass through round about, effect is that direction of light is limited, light can only one direction be transmitted, by the light of optical fiber echo reflection, can well be isolated by optoisolator, improve light wave transmissions efficiency.Semiconductor laser, image intensifer and fiber laser etc. are for very responsive from the reflected light of connector, fusion point, wave filter etc., the above-mentioned optical device performance that may cause backward transmission light worsens even damage, therefore needs to stop reflected light with optoisolator.In optical fiber communication, by the light of optical fiber echo reflection, can well be isolated by optoisolator.
Optoisolator is optical element indispensable in laser and optical-fibre communications field, along with the development of laser and optical-fibre communications, the demand of the optoisolator to higher-wattage also improves thereupon, but the optoisolator power using is at present very little, and the overwhelming majority is between several watts to tens watts., easily there is the problems such as insertion loss is large, radiating efficiency is low in the optoisolator performance less stables that Current Domestic great majority are used, so cause the isolation of isolator not high, the consequence of job insecurity, when serious, even can damage laser instrument.Therefore, develop a kind of higher-wattage, the better isolator of job stability is imperative.
Utility model content
The purpose of this utility model is to provide a kind of multikilowatt at line style isolator, this isolator stable work in work, and have advantages of that insertion loss is little, radiating efficiency is high, can be used to well in the optical fields such as high-power pulsed laser.
The technical solution of the utility model: along being provided with successively mode stripper on forward light incident light axis, collimating apparatus a, Faraday polarization apparatus, 1/2 wave plate and collimating apparatus b, on collimating apparatus a and collimating apparatus b, be equipped with optical fiber pigtail, between collimating apparatus a and Faraday polarization apparatus, be provided with polarization beam apparatus a, between 1/2 wave plate and collimating apparatus b, be provided with polarization beam apparatus b, mode stripper, collimating apparatus a, Faraday polarization apparatus, 1/2 wave plate, collimating apparatus b, polarization beam apparatus a and polarization beam apparatus b are all located in water-cooled packaging system, in described water-cooled packaging system, the wall corresponding with polarization beam apparatus a position is provided with the diaphragm of F:-5～0mm.Optical fiber pigtail and the welding of end cap phase.Wherein mode stripper can divest from fibre core and drain to the harmful lights such as the laser of the higher order mode transmitting inner cladding, reduced the impact of harmful light on light propagation efficiency, the power that adopts the collimating apparatus of end cap and lens combination to carry is larger, diaphragm can be broken up backlight, reduce light intensity in unit area, also can improve the load power of collimating apparatus.
Aforesaid this multikilowatt is in line style isolator, and described polarization beam apparatus a and polarization beam apparatus b are comprised of 1 Tp and 1 parallelogram prism.
Aforesaid this multikilowatt is in line style isolator, and described polarization beam apparatus a and polarization beam apparatus b are comprised of 4 Tps, and polarization beam apparatus a left side is provided with reflective mirror.
Aforesaid this multikilowatt is in line style isolator, and described polarization beam apparatus a and polarization beam apparatus b are comprised of 2 Tps and 1 parallelogram prism, and polarization beam apparatus a left side is provided with reflective mirror.
Aforesaid this multikilowatt is equipped with high-reflecting film and polarization beam splitter in polarization beam apparatus a and polarization beam apparatus b in line style isolator.
Aforesaid this multikilowatt in line style isolator, high-reflecting film and polarization beam splitter parallel and with the axis direction angle of light be 45 °.Polarization beam splitter can be divided into the line polarisation that two bundles are vertical the nonpolarized light of incident, and wherein P polarisation passes through completely, and S polarisation is reflected with 45° angle, and exit direction becomes an angle of 90 degrees with P light; High-reflecting film can enter the reflection of S polarisation in Faraday polarization apparatus.
Aforesaid this multikilowatt, in line style isolator, is provided with diaphragm a between collimating apparatus a and polarization beam apparatus a, between polarization beam apparatus b and collimating apparatus b, is provided with diaphragm b.Forward light from left to right almost can can't harm and pass through, and backlight can be blocked by diaphragm a or reflect, and only has a small amount of backlight to pass through.
Aforesaid this multikilowatt is in line style isolator, described water-cooled packaging system comprises housing, waterway, water inlet and water delivering orifice, wherein one end of described housing is provided with water inlet and water delivering orifice, water inlet is located at the below of housing, and water delivering orifice is located at the top of housing, is hollow structure between the outer wall of housing and inwall, described water inlet is connected with this hollow structure with water delivering orifice, waterway is arranged in housing, and mode stripper is located in waterway, and waterway is communicated with hollow structure.In water-cooled packaging system, be provided with heat eliminating medium, heat eliminating medium can adopt water or oil.
Compared with conventional art, the utility model can provide a kind of higher-wattage at line style isolator, the stable work in work of this isolator, and have advantages of that insertion loss is little, radiating efficiency is high, can be applicable in the optical fields such as multikilowatt high-power pulsed laser, described multikilowatt isolator refers to that rated power is more than 1000 watts.
Owing to being provided with mode stripper, can divesting from fibre core and drain to the harmful lights such as the laser of the higher order mode transmitting inner cladding in addition, reduce the impact of harmful light on light propagation efficiency.The power that adopts the collimating apparatus of end cap and lens combination to carry is larger, and these improvements are all that the present invention can be applicable to a kilowatt key for above high-power pulsed laser.
By diaphragm is set, backlight can be broken up, reduce light intensity in unit area, effectively prevent that backlight from damaging water-cooled packaging system.
Accompanying drawing explanation
Fig. 1, Fig. 3 and Fig. 5 are the index paths that forward light enters isolator;
Fig. 2, Fig. 4 and Fig. 6 are the index paths that backlight enters isolator.
Being labeled as in accompanying drawing: 1-diaphragm a, 2-optical fiber pigtail, 3-collimating apparatus a, 4-polarization beam apparatus a, 5-Faraday polarization apparatus, 6-1/2 wave plate, 7-polarization beam apparatus b, 8-high-reflecting film, 9-polarization beam splitter, 10-collimating apparatus b, 11-reflective mirror, 12-water-cooled packaging system, 13-diaphragm, 14-mode stripper, 15-end cap, 16-lens, 17-diaphragm b, 20-housing, 21-waterway, 22-water inlet, 23-water delivering orifice.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
Principle of work of the present utility model: forward light enters mode stripper 14 from optical fiber pigtail 2, through collimating apparatus a3, enter in polarization beam apparatus a4 again, under polarization beam splitter 9 effects in polarization beam apparatus a4, light is divided into P light and S light, wherein P light enters in Faraday polarization apparatus 5 through polarization beam splitter 9, S light is polarized spectro-film 9 and reflexes on high-reflecting film 8, and S light is reflected and enters in Faraday polarization apparatus 5 under the effect of high-reflecting film 8.Both separate rapidly certain angle transmission and enter the Faraday polarization apparatus 5 of 45 °.By Faraday polarization apparatus, the vibration plane of P light and S light separately to same direction rotation 45 °.Postrotational P light and S light, after 1/2 wave plate 6, have all changed 45 ° to same direction again.P light now and S light enter in polarization beam apparatus b7, and under the effect of polarization beam apparatus b7, by P light and S light compositing light beam, synthetic light beam enters collimating apparatus b10 and spread out of by optical fiber pigtail 2, have realized the forward transmission of light.
Backlight enters collimating apparatus b10 by optical fiber pigtail 2, then is entered after polarization beam apparatus b7 by collimating apparatus b10, and light is divided into P light and S light, and P light and S light are through the effect of 1/2 wave plate 6, and its vibration plane has changed 45 ° to same direction again separately.Due to the nonreciprocity of Faraday effect, P light and S light are by after Faraday polarization apparatus 5, and polarization direction is still to 45 ° of same direction rotations, and original like this P light and S light are entering polarization beam apparatus a4.P light is reflected and passes polarization beam splitter 9 and penetrates under the effect of high-reflecting film 8, S light is directly polarized spectro-film 9 and reflects, P light and S optocoupler synthesize Ray Of Light, synthetic light can not enter in collimating apparatus a3, thereby reached the target of reverse isolation, diaphragm 13 can make light directly enter in heat eliminating medium, discharges the energy of light.
Wherein in water-cooled packaging system 12, be provided with heat eliminating medium, can, by the heat absorption of isolator generation, have improved the working environment of isolator, make isolator working stability.
Claims (8)
1. a multikilowatt is at line style isolator, it is characterized in that: along being provided with successively mode stripper (14) on forward light incident light axis, collimating apparatus a(3), Faraday polarization apparatus (5), 1/2 wave plate (6) and collimating apparatus b(10), collimating apparatus a(3) and collimating apparatus b(10) on be equipped with optical fiber pigtail (2), end cap (15) and lens (16), collimating apparatus a(3) and Faraday polarization apparatus (5) between be provided with polarization beam apparatus a(4), 1/2 wave plate (6) and collimating apparatus b(10) between be provided with polarization beam apparatus b(7), mode stripper (14), collimating apparatus a(3), Faraday polarization apparatus (5), 1/2 wave plate (6), collimating apparatus b(10), polarization beam apparatus a(4) and polarization beam apparatus b(7) be all located in water-cooled packaging system (12), in described water-cooled packaging system (12) with polarization beam apparatus a(4) the corresponding wall in position is provided with the diaphragm (13) of F:-5～0mm, optical fiber pigtail (2) and end cap (15) phase welding.
2. a kind of multikilowatt according to claim 1, at line style isolator, is characterized in that: described polarization beam apparatus a(4) and polarization beam apparatus b(7) by 1 Tp and 1 parallelogram prism, formed.
3. a kind of multikilowatt according to claim 1, at line style isolator, is characterized in that: described polarization beam apparatus a(4) and polarization beam apparatus b(7) by 4 Tps, formed polarization beam apparatus a(4) left side is provided with reflective mirror (11).
4. a kind of multikilowatt according to claim 1 is at line style isolator, it is characterized in that: described polarization beam apparatus a(4) and polarization beam apparatus b(7) by 2 Tps and 1 parallelogram prism, formed polarization beam apparatus a(4) left side is provided with reflective mirror (11).
According to a kind of multikilowatt described in claim 2 or 3 or 4 at line style isolator, it is characterized in that: polarization beam apparatus a(4) and polarization beam apparatus b(7) in be equipped with high-reflecting film (8) and polarization beam splitter (9).
6. a kind of multikilowatt according to claim 5, at line style isolator, is characterized in that: high-reflecting film (8) and polarization beam splitter (9) parallel and with optical axis included angle be 45 °.
7. a kind of multikilowatt according to claim 1, at line style isolator, is characterized in that: collimating apparatus a(3) and polarization beam apparatus a(4) between be provided with diaphragm a(1), polarization beam apparatus b(7) and collimating apparatus b(10) between be provided with diaphragm b(17).
8. a kind of multikilowatt according to claim 1 is at line style isolator, it is characterized in that: described water-cooled packaging system (12) comprises housing (20), waterway (21), water inlet (22) and water delivering orifice (23), wherein one end of described housing (20) is provided with water inlet (22) and water delivering orifice (23), water inlet (22) is located at the below of housing (20), water delivering orifice (23) is located at the top of housing (20), between the outer wall of housing (20) and inwall, it is hollow structure, described water inlet (22) is connected with this hollow structure with water delivering orifice (23), waterway (21) is arranged in housing (20), mode stripper (14) is located in waterway (21), waterway (21) is communicated with hollow structure, water-cooled packaging system is provided with heat eliminating medium in (12), heat eliminating medium can adopt water or oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592586.6U CN203551898U (en) | 2013-09-25 | 2013-09-25 | Kilowatt online isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592586.6U CN203551898U (en) | 2013-09-25 | 2013-09-25 | Kilowatt online isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203551898U true CN203551898U (en) | 2014-04-16 |
Family
ID=50469991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320592586.6U Withdrawn - After Issue CN203551898U (en) | 2013-09-25 | 2013-09-25 | Kilowatt online isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203551898U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487888A (en) * | 2013-09-25 | 2014-01-01 | 深圳市创鑫激光技术有限公司 | Kilowatt-class online isolator |
| CN104134929A (en) * | 2014-08-06 | 2014-11-05 | 鞍山创鑫激光技术有限公司 | High-reflection-resistant high-power optical fiber coupling semiconductor laser unit system |
| CN108345131A (en) * | 2018-03-15 | 2018-07-31 | 中国科学技术大学 | A kind of faraday isolator device |
-
2013
- 2013-09-25 CN CN201320592586.6U patent/CN203551898U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487888A (en) * | 2013-09-25 | 2014-01-01 | 深圳市创鑫激光技术有限公司 | Kilowatt-class online isolator |
| CN103487888B (en) * | 2013-09-25 | 2015-09-30 | 深圳市创鑫激光股份有限公司 | Multikilowatt is at line style isolator |
| CN104134929A (en) * | 2014-08-06 | 2014-11-05 | 鞍山创鑫激光技术有限公司 | High-reflection-resistant high-power optical fiber coupling semiconductor laser unit system |
| CN104134929B (en) * | 2014-08-06 | 2015-09-30 | 深圳市创鑫激光股份有限公司 | The high-power optical-fiber coupling Laser Diode System that anti-height is anti- |
| CN108345131A (en) * | 2018-03-15 | 2018-07-31 | 中国科学技术大学 | A kind of faraday isolator device |
| CN108345131B (en) * | 2018-03-15 | 2023-10-20 | 中国科学技术大学 | Faraday isolator device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101852613B (en) | Light transceiving integrated device applied to fiber sensing | |
| CN103311790B (en) | A kind of adaptive optic fiber coupling of laser beam bidirectional transmit-receive or collimator control system | |
| CN203551898U (en) | Kilowatt online isolator | |
| CN104133273A (en) | Single-fiber bidirectional optical transceiving assembly | |
| CN104391361A (en) | Single-fiber bidirectional receiving and transmitting module component | |
| CN103487888B (en) | Multikilowatt is at line style isolator | |
| CN102360131B (en) | Multifunctional high-power polarization preserving fiber isolator | |
| CN103499856B (en) | Hectowatt collimation type isolator | |
| CN203930136U (en) | A kind of single-fiber bidirectional optical transmitting-receiving subassembly | |
| CN103605184B (en) | Kilowatt-level high-isolation online optical isolator | |
| CN103499890B (en) | Multikilowatt collimation-type isolator | |
| CN107247271B (en) | Common-aperture laser range finder | |
| CN203551835U (en) | Hundred-watt level collimation type isolator | |
| CN203708255U (en) | Parallel optical path online monitoring device | |
| CN203551897U (en) | Kilowatt collimation type isolator | |
| CN105445857A (en) | Spatial filtering isolator | |
| CN202916459U (en) | Multi-fiber collimator | |
| CN203551839U (en) | Kilowatt high isolation collimation type optical isolator | |
| CN204065464U (en) | The online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber | |
| CN103605185B (en) | Kilowatt-level high-isolation collimating-type optical isolator | |
| CN104142535A (en) | Liquid-cooled hectowatt-level multimode-fiber online opto-isolator | |
| CN103487891B (en) | Hectowatt grade is at line style isolator | |
| CN203551838U (en) | Kilowatt high isolation on-line optical isolator | |
| CN203551836U (en) | Hundred-watt high-isolation collimation type optical isolator | |
| CN203745681U (en) | Multiple-input high-power multi-mode fiber collimator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518103, Guangdong, Shenzhen, Baoan District manhole street and a community third industrial zone, Ming Xin Industrial Park, first, third, B Patentee after: MAXPHOTONICS Co.,Ltd. Address before: 518104, Guangdong, Shenzhen, Baoan District manhole, South Ring Road and a community third industrial zone, Ming Industrial Park, the first third West Patentee before: Maxphotonics Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150930 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |