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CN106773150A - High-power liquid cold light isolator - Google Patents

High-power liquid cold light isolator Download PDF

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Publication number
CN106773150A
CN106773150A CN201710053915.2A CN201710053915A CN106773150A CN 106773150 A CN106773150 A CN 106773150A CN 201710053915 A CN201710053915 A CN 201710053915A CN 106773150 A CN106773150 A CN 106773150A
Authority
CN
China
Prior art keywords
optical fiber
optoisolator
lens
light
chipware
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.)
Pending
Application number
CN201710053915.2A
Other languages
Chinese (zh)
Inventor
郭渭荣
王宝华
郭志婕
徐丹
徐磊
陈晓华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BWT Beijing Ltd
Original Assignee
BWT Beijing Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BWT Beijing Ltd filed Critical BWT Beijing Ltd
Priority to CN201710053915.2A priority Critical patent/CN106773150A/en
Publication of CN106773150A publication Critical patent/CN106773150A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/095Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure
    • G02F1/0955Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure used as non-reciprocal devices, e.g. optical isolators, circulators

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)

Abstract

The present invention relates to a kind of optoisolator, more particularly to a kind of high-power liquid cold light isolator.Including being sequentially provided with the first optical fiber collimator, the first wave filter, optoisolator chipware and the second optical fiber collimator along positive light incident light axis, first optical fiber collimator, the first wave filter, optoisolator chipware and the second optical fiber collimator are arranged in water-cooled packaging system;First optical fiber collimator is connected with input optical fibre, and second optical fiber collimator is connected with output optical fibre.The present invention improves radiating effect as a result of water-cooled packaging system, and optoisolator can for a long time in high-power lower steady operation.

Description

High-power liquid cold light isolator
Technical field
The present invention relates to a kind of optoisolator, more particularly to a kind of high-power liquid cold light isolator.
Background technology
Optoisolator is only to allow light in one direction by and stopping the device of rightabout light.Semiconductor laser The devices such as device, optical fiber laser are more sensitive to the light that connector, fusion point etc. reflect, and reflected light may cause device to damage It is bad.Therefore need with optoisolator come blocking reflected light.At present, the optoisolator major part for using is for small-power light beam , when being related to high power-beam, easily there is the problems such as radiating effect is bad, isolation is not high.
The content of the invention
Regarding to the issue above, it is an object of the invention to provide a kind of high-power liquid cold light isolator, it has high isolation Degree, the advantage of good heat dissipation effect, can be used in large-power optical fiber or spatial beam more than hectowatt.
To achieve these goals, the present invention uses following technical scheme:
A kind of high-power liquid cold light isolator, including be sequentially provided with along positive light incident light axis the first wave filter and light every From device chipware, first wave filter and optoisolator chipware are arranged in water-cooled packaging system.
First wave filter includes the diaphragm a and lens b positioned at the diaphragm both sides and lens c, on the diaphragm a First through hole is located on the common focussing plane of lens b and lens c.
The optoisolator chipware includes the first birefringece crystal, the faraday that are set gradually along positive light incident light axis Polarization apparatus and the second birefringece crystal.
The Faraday polarization apparatus optically-active angle is 45 °.
The liquid cold seal assembling device is the tubular structure for being provided with liquid storage ring cavity, the side of its liquid storage ring cavity be provided with inlet and Liquid outlet.
The light that is input into first wave filter and be that the angle of divergence is less than 5 by the light beam that the optoisolator chipware is exported The less parallel light beam of degree.
The high-power liquid cold light isolator further includes to be arranged at the water-cooled encapsulation dress along positive light incident light axis Interior the first optical fiber collimator and the second optical fiber collimator is put, first optical fiber collimator is arranged at first wave filter Front and it is connected with input optical fibre, second optical fiber collimator is arranged at the optoisolator chipware rear and and output light Fibre connection.
First optical fiber collimator includes the first tail optical fiber and lens a, and the first tail optical fiber is by lens a and optoisolator chipware Light path connection;Second optical fiber collimator includes the second tail optical fiber and lens f, and the second tail optical fiber passes through lens f and optoisolator The light path connection of chipware.
The high-power liquid cold light isolator further includes to be arranged at the water-cooled encapsulation dress along positive light incident light axis The second interior wave filter is put, second wave filter is arranged at the rear of the optoisolator chipware.
Second wave filter includes diaphragm b and is arranged at the lens d and lens e, the diaphragm b of the diaphragm b both sides On the second through hole be located at lens d and lens e common focussing plane on.
Advantages of the present invention and beneficial effect are:The structure that the present invention is used can improve the use power of optoisolator To more than hectowatt.Radiating effect is improve as a result of water-cooled packaging system, optoisolator can for a long time in big work( Steady operation under rate.
Brief description of the drawings
Fig. 1 is the structural representation of the optoisolator of prior art;
Fig. 2 is the positive thang-kng schematic diagram of embodiments of the invention one;
Fig. 3 is the reverse thang-kng schematic diagram of embodiments of the invention one;
Fig. 4 is the positive thang-kng schematic diagram of embodiments of the invention two;
Fig. 5 is the reverse thang-kng schematic diagram of embodiments of the invention two.
In figure:1 is liquid cold seal assembling device, and 1.1 is inlet, and 1.2 is liquid outlet, and 2 is the first optical fiber collimator, and 2.1 are First tail optical fiber, 2.2 is lens a, and 3 is the first wave filter, and 3.1 is lens b, and 3.2 is first through hole, 3.3 lens c, and 4 is optically isolated Device chipware, 4.1 is the first birefringece crystal, and 4.2 is Faraday polarization apparatus, and 4.3 is the second birefringece crystal, and 5.1 is lens d, 5.2 is the second through hole, and 5.3 is lens e, and 6 is the second optical fiber collimator, and 6.1 is the second tail optical fiber, and 6.2 is lens f.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, below in conjunction with the accompanying drawings with specific embodiment pair The present invention is described in detail.
Embodiment one
As shown in Fig. 2 a kind of high-power liquid cold light isolator, including it is sequentially provided with the first filter along positive light incident light axis Ripple device 3 and optoisolator chipware 4, the first wave filter 3 and optoisolator chipware 4 are arranged in water-cooled packaging system 1, input the Light in one wave filter 3 and be less parallel light beam of the angle of divergence less than 5 degree by the light beam that optoisolator chipware 4 is exported.
First wave filter 3 includes the diaphragm a and lens b3.1 and lens c3.3 positioned at diaphragm both sides, on diaphragm a first Through hole 3.2 is located on the common focussing plane of lens b3.1 and lens c3.3.Diaphragm a can be filtered between positive light incident light axis The excessive light of angle.
Optoisolator chipware 4 includes the first birefringece crystal 4.1, faraday set gradually along positive light incident light axis The birefringece crystal 4.3 of polarization apparatus 4.2 and second.
In one embodiment of the invention, the optically-active angle of Faraday polarization apparatus 4.2 is 45 °.
Liquid cold seal assembling device 1 is the tubular structure for being provided with liquid storage ring cavity, and the side of its liquid storage ring cavity is provided with the He of inlet 1.1 Liquid outlet 1.2, liquid cold seal assembling device 1 is respectively arranged at two ends with coaxial light path entrance and light way outlet.
The high-power liquid cold light isolator further includes to be arranged in water-cooled packaging system 1 along positive light incident light axis The first optical fiber collimator 2 and the second optical fiber collimator 6, the first optical fiber collimator 2 be arranged at the front of the first wave filter 3 and It is connected with input optical fibre, the second optical fiber collimator 6 is arranged at the rear of optoisolator chipware 4 and is connected with output optical fibre.
First optical fiber collimator 2 includes the first tail optical fiber 2.1 and lens a2.2, and the first tail optical fiber 2.1 passes through lens a2.2 and light The light path connection of isolator chipware 4;The beam collimation that be input into for input optical fibre by the first optical fiber collimator 2 is subparallel light beam.
Second optical fiber collimator 6 includes the second tail optical fiber 6.1 and lens f6.2, and the second tail optical fiber 6.1 passes through lens f6.2 and light The light path connection of isolator chipware 4.Second optical fiber collimator 6 will assemble coupling by the subparallel light beam of optoisolator chipware 4 Close into output optical fibre.
As shown in Fig. 2 the nearly collimated light beam of positive transmission is by being still subparallel light beam after optoisolator chipware 4, and Can be coupled into output optical fibre by the second optical fiber collimator 6.As shown in figure 3, the light beam of reverse transfer is by optoisolator It is changed into two light beams after chipware 4.There is certain angle between this two light beams and positive light incident light axis, can be by the first wave filter 3 Stop and cannot be introduced into the first optical fiber collimator 2.
Embodiment two
As shown in figure 3, a kind of high-power liquid cold light isolator, including it is sequentially provided with the first filter along positive light incident light axis Ripple device 3 and optoisolator chipware 4, the first wave filter 3 and optoisolator chipware 4 are arranged in water-cooled packaging system 1, input the Light in one wave filter 3 and be less parallel light beam of the angle of divergence less than 5 degree by the light beam that optoisolator chipware 4 is exported.
First wave filter 3 includes the diaphragm a and lens b3.1 and lens c3.3 positioned at diaphragm both sides, on diaphragm a first Through hole 3.2 is located on the common focussing plane of lens b3.1 and lens c3.3.Diaphragm a can be filtered between positive light incident light axis The excessive light of angle.
Optoisolator chipware 4 includes the first birefringece crystal 4.1, faraday set gradually along positive light incident light axis The birefringece crystal 4.3 of polarization apparatus 4.2 and second.
In one embodiment of the invention, the optically-active angle of Faraday polarization apparatus 4.2 is 45 °.
Liquid cold seal assembling device 1 is the tubular structure for being provided with liquid storage ring cavity, and the side of its liquid storage ring cavity is provided with the He of inlet 1.1 Liquid outlet 1.2, liquid cold seal assembling device 1 is respectively arranged at two ends with coaxial light path entrance and light way outlet.
The high-power liquid cold light isolator further includes to be arranged in water-cooled packaging system 1 along positive light incident light axis The second wave filter 5, the second wave filter 5 is arranged at the rear of optoisolator chipware 4.Inputs light beam is subparallel light beam, is penetrated Enter in the first wave filter 3;Output beam is subparallel light beam, is projected from the second wave filter 5.
Second wave filter 5 includes diaphragm b and is arranged at the lens d5.1 and lens e5.3 of diaphragm b both sides, on diaphragm b the Two through holes 5.2 are located on the common focussing plane of lens d5.1 and lens e5.3.Diaphragm b can be filtered and positive light incident light axis Between the excessive light of angle.
As shown in figure 4, the subparallel light beam of positive transmission is by being still subparallel light beam after optoisolator chipware 4, Can be exported by after the second wave filter 5.As shown in figure 5, the light beam of reverse transfer is by being changed into two beams after optoisolator chipware 4 Light beam.Have certain angle between this two light beams and positive light incident light axis, can be stopped by the first wave filter 3 and cannot be from input End-fire goes out.
The present invention improves radiating effect as a result of water-cooled packaging system, and optoisolator can exist for a long time High-power lower steady operation.Therefore, the present invention has the advantages that high-isolation, good heat dissipation effect and stable work in work, can For high power laser.
Embodiments of the present invention are the foregoing is only, is not intended to limit the scope of the present invention.It is all in the present invention Spirit and principle within any modification, equivalent substitution and improvements, the extension made etc., be all contained in protection scope of the present invention It is interior.

Claims (10)

1. a kind of high-power liquid cold light isolator, it is characterised in that:Including being sequentially provided with the first filter along positive light incident light axis Ripple device (3) and optoisolator chipware (4), first wave filter (3) and optoisolator chipware (4) are arranged at water-cooled encapsulation dress Put in (1).
2. high-power liquid cold light isolator according to claim 1, it is characterised in that:First wave filter (3) includes The diaphragm a and lens b (3.1) and lens c (3.3) positioned at the diaphragm both sides, first through hole (3.2) position on the diaphragm a In on the common focussing plane of lens b (3.1) and lens c (3.3).
3. high-power liquid cold light isolator according to claim 1, it is characterised in that:Optoisolator chipware (4) bag Include the first birefringece crystal (4.1), the Faraday polarization apparatus (4.2) and second two-fold set gradually along positive light incident light axis Penetrate crystal (4.3).
4. high-power liquid cold light isolator according to claim 3, it is characterised in that:The Faraday polarization apparatus (4.2) Optically-active angle is 45 °.
5. high-power liquid cold light isolator according to claim 1, it is characterised in that:The liquid cold seal assembling device (1) is The tubular structure of liquid storage ring cavity is provided with, the side of its liquid storage ring cavity is provided with inlet (1.1) and liquid outlet (1.2).
6. high-power liquid cold light isolator according to claim 1, it is characterised in that:It is input into first wave filter (3) Interior light and be less parallel light beam of the angle of divergence less than 5 degree by the light beam that the optoisolator chipware (4) exports.
7. the high-power liquid cold light isolator according to claim any one of 1-6, it is characterised in that:The high-power liquid is cold Optoisolator further includes the first optical fiber collimator being arranged at along positive light incident light axis in the water-cooled packaging system (1) (2) and the second optical fiber collimator (6), first optical fiber collimator (2) be arranged at the front of first wave filter (3) and It is connected with input optical fibre, second optical fiber collimator (6) is arranged at optoisolator chipware (4) rear and and output light Fibre connection.
8. high-power liquid cold light isolator according to claim 7, it is characterised in that:First optical fiber collimator (2) Including the first tail optical fiber (2.1) and lens a (2.2), the first tail optical fiber (2.1) is by lens a (2.2) and optoisolator chipware (4) Light path is connected;Second optical fiber collimator (6) includes the second tail optical fiber (6.1) and lens f (6.2), and the second tail optical fiber (6.1) passes through Lens f (6.2) is connected with the light path of optoisolator chipware (4).
9. the high-power liquid cold light isolator according to claim any one of 1-6, it is characterised in that:The high-power liquid is cold Optoisolator further includes the second wave filter (5) being arranged at along positive light incident light axis in the water-cooled packaging system (1), Second wave filter (5) is arranged at the rear of the optoisolator chipware (4).
10. high-power liquid cold light isolator according to claim 9, it is characterised in that:Second wave filter (5) includes Diaphragm b and the lens d (5.1) and lens e (5.3) of the diaphragm b both sides are arranged at, the second through hole (5.2) on the diaphragm b On the common focussing plane of lens d (5.1) and lens e (5.3).
CN201710053915.2A 2017-01-22 2017-01-22 High-power liquid cold light isolator Pending CN106773150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710053915.2A CN106773150A (en) 2017-01-22 2017-01-22 High-power liquid cold light isolator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710053915.2A CN106773150A (en) 2017-01-22 2017-01-22 High-power liquid cold light isolator

Publications (1)

Publication Number Publication Date
CN106773150A true CN106773150A (en) 2017-05-31

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111290149A (en) * 2018-12-06 2020-06-16 珠海光焱科技有限公司 3W low-cost small-sized optical isolator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203551836U (en) * 2013-10-17 2014-04-16 深圳市创鑫激光技术有限公司 Hundred-watt high-isolation collimation type optical isolator
CN103913857A (en) * 2014-04-01 2014-07-09 深圳市艾格莱光电科技有限公司 Optical isolation method and optical isolation device
CN104142535A (en) * 2014-08-26 2014-11-12 鞍山创鑫激光技术有限公司 Liquid-cooled hectowatt-level multimode-fiber online opto-isolator
CN204065464U (en) * 2014-08-26 2014-12-31 鞍山创鑫激光技术有限公司 The online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber
CN105445857A (en) * 2014-08-12 2016-03-30 福州高意通讯有限公司 Spatial filtering isolator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203551836U (en) * 2013-10-17 2014-04-16 深圳市创鑫激光技术有限公司 Hundred-watt high-isolation collimation type optical isolator
CN103913857A (en) * 2014-04-01 2014-07-09 深圳市艾格莱光电科技有限公司 Optical isolation method and optical isolation device
CN105445857A (en) * 2014-08-12 2016-03-30 福州高意通讯有限公司 Spatial filtering isolator
CN104142535A (en) * 2014-08-26 2014-11-12 鞍山创鑫激光技术有限公司 Liquid-cooled hectowatt-level multimode-fiber online opto-isolator
CN204065464U (en) * 2014-08-26 2014-12-31 鞍山创鑫激光技术有限公司 The online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111290149A (en) * 2018-12-06 2020-06-16 珠海光焱科技有限公司 3W low-cost small-sized optical isolator
CN111290149B (en) * 2018-12-06 2023-08-25 珠海光焱科技有限公司 3W low-cost small-sized optical isolator

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Application publication date: 20170531

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