CN204065464U - The online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber - Google Patents

The online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber Download PDF

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Publication number
CN204065464U
CN204065464U CN201420484504.0U CN201420484504U CN204065464U CN 204065464 U CN204065464 U CN 204065464U CN 201420484504 U CN201420484504 U CN 201420484504U CN 204065464 U CN204065464 U CN 204065464U
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optical fiber
optoisolator
liquid cooling
lens
multimode optical
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李刚
胡小波
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ANHUI MAXPHOTONICS TECHNOLOGY Co Ltd
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ANHUI MAXPHOTONICS TECHNOLOGY Co Ltd
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Abstract

The utility model discloses the online isolator of a kind of liquid cooling hectowatt grade multimode, comprise along forward light incident light axis sets gradually: the first optical fiber collimator, optoisolator chipware and the second optical fiber collimator, multimode optical fiber is connected with the first optical fiber collimator, second optical fiber collimator is connected with multimode optical fiber, is provided with mirror assembly between the first optical fiber collimator and optoisolator chipware; Described first optical fiber collimator, isolator chipware, the second optical fiber collimator and catoptron are all arranged in water-cooled packaging system.The utility model has the advantage of high-isolation, good heat dissipation effect and stable work in work, can be used in the high-power multimode laser of more than 100W.

Description

The online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber
Technical field
The utility model relates to a kind of optoisolator, and particularly the online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber, belongs to laser field.
Background technology
Optoisolator be only allow light along a direction by and stop the optical passive component that light passes through in contrary direction.Semiconductor laser, image intensifer and fiber laser etc. are very responsive for the reflected light from connector, fusion point, wave filter etc., and penalty may be caused even to damage, and therefore need to stop reflected light with optoisolator.In optical fiber communication, can by light isolation well isolation by the light of optical fiber echo reflection.In the application such as optical-fiber laser, optoisolator is used in light path the interference and damage that are used for avoiding the echo in light path to cause light source, pumping source and other luminescent devices usually.
The optoisolator overwhelming majority in current use is some low power single-mode optics isolators, and multimode optoisolator is blank especially in high-power.Because when it come to arrive high power often because technical reason, easily occur the phenomenons such as insertion loss is large, radiating effect is bad, can produce that isolation is not high, the adverse consequences of poor work stability thus, severe patient also can bring damage to laser instrument.Before this, the domestic optoisolator also not occurring the high-power multi-mode fibre laser that can be used for 100W and more than 100w.
Summary of the invention
The purpose of this utility model is, provide a kind of liquid cooling hectowatt grade multimode optical fiber online optoisolator, it has the advantage of high-isolation, good heat dissipation effect and stable work in work, can be used in the high-power multimode semiconductor laser of 100w and more than 100w.
The technical solution of the utility model: the online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber, comprise along forward light incident light axis sets gradually: the first optical fiber collimator, optoisolator chipware and the second optical fiber collimator, multimode optical fiber is connected with the first optical fiber collimator, second optical fiber collimator is connected with multimode optical fiber, is provided with mirror assembly between the first optical fiber collimator and optoisolator chipware; Described first optical fiber collimator, isolator chipware, the second optical fiber collimator and catoptron are all arranged in water-cooled packaging system.Owing to have employed water-cooled packaging system, drastically increase radiating effect, thus improve the stability of optoisolator, make it under long high power work state, still can keep stable work.The online optoisolator of this multimode optical fiber is that the industrial use of 100W and above high-power multimode semiconductor laser is laid a good foundation.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described mirror assembly is 2 symmetrically arranged catoptrons, and described 2 angles between catoptron and optical axis are 45 °; The gap that between described 2 catoptrons, formation one is very little, the effect of diaphragm is played in this gap.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described catoptron adopts ceramic reflecting mirror, bronze mirror or high anti-catoptron.Catoptron also can adopt the good material of other reflective function to make.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described first optical fiber collimator comprises the first patch cord and the first lens, and the first patch cord is connected with the light path of optoisolator chipware by the first lens; This second optical fiber collimator comprises the second patch cord and the second lens, and the second patch cord is connected with the light path of optoisolator chipware by the second lens.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described first patch cord and the second patch cord are all multimode optical fiber.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described first lens and the second lens are C-Lens, G-Lens or D-lens.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described optoisolator chipware comprises along the first birefringece crystal that forward light incident light axis sets gradually, Faraday polarization apparatus, 1/2 wave plate and the second birefringece crystal; Described 1/2 wave plate passes through ultra-violet curing glue on the light inlet end face of the second birefringece crystal.A diaphragm is provided with between second birefringece crystal and the second optical fiber collimator.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described optoisolator also comprises magnetic tube, and described Faraday polarization apparatus is located in magnetic tube, and the two ends of magnetic tube are located at respectively by the first birefringece crystal and the second birefringece crystal.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described first birefringece crystal and the second birefringece crystal all adopt the angle of wedge to be the YVO4 crystal of 5.8 °, adopt the angle of wedge of 5.8 ° can guarantee that light is propagated vertically and vertical axial skew does not occur, adopt the angle of wedge of 5.8 ° to increase return loss on the other hand.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described Faraday polarization apparatus adopts optically-active angle to be 45 ° of angles of wedge to be the rotation glass rod of 1 °-3 °.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, described liquid cooling packaging system comprises housing, liquid cooling chamber, inlet and liquid outlet, wherein one end of described housing is provided with inlet and liquid outlet, inlet is located at the below of housing, liquid outlet is located at the top of housing, and be hollow structure between the outer wall of housing and inwall, described inlet is connected with this hollow structure with liquid outlet, liquid cooling chamber is arranged on the two ends in housing, and liquid cooling chamber is communicated with hollow structure.
In the online optoisolator of aforesaid a kind of liquid cooling hectowatt grade multimode optical fiber, in described housing, the inwall corresponding with reflector position is provided with the diaphragm of F=-10 ~ 0mm.
Compared with prior art, the use power of optoisolator can be increased to more than 100W by the structure that the utility model adopts, by adopting liquid cooling packaging system, effectively improve radiating effect, thus improve the stability of optoisolator, make it under long high power work state, still can keep stable work.
By arranging diaphragm on the inwall of housing, by the beam divergence that reflects in liquid, effectively can prevent reflected light from shining directly on inwall, play the effect of protection inwall on the one hand, can more effectively dispel the heat on the other hand.
By arranging 2 catoptrons be arranged symmetrically with between the first optical fiber collimator and isolator chipware, and add 1/2 wave plate, the power making the utility model achieve both forward and reverse directions all can reach more than hectowatt, and do not have to produce too high loss because of high power, for the industrial use of hectowatt grade high power semiconductor lasers is laid a good foundation.
Accompanying drawing explanation
Fig. 1 is that structural representation of the present utility model and forward lead to light schematic diagram;
Fig. 2 is that the utility model one end is provided with the structural representation of liquid inlet and outlet and oppositely leads to light schematic diagram;
Fig. 3 is that the utility model two ends are equipped with the structural representation of liquid inlet and outlet and oppositely lead to light schematic diagram;
Fig. 4 is the structural representation that shell one end is provided with liquid inlet and outlet;
Fig. 5 is the structural representation that housing two ends are equipped with liquid inlet and outlet.
Being labeled as in accompanying drawing: 1-first optical fiber collimator, 2-optoisolator chipware, 3-second optical fiber collimator, 4-mirror assembly, 5-first birefringece crystal, 6-Faraday polarization apparatus, 7-1/2 wave plate, 8-second birefringece crystal, 9-multimode optical fiber, 10-water-cooled packaging system, 11-first patch cord, 12-first lens, 13-second patch cord, 14-second lens, 15-magnetic tube, 16-diaphragm, 17-housing, 18-liquid cooling chamber, 19-inlet, 20-liquid outlet.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but not as foundation the utility model being done to any restriction.
Embodiment 1
As shown in Figure 1, the online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber described in the utility model, comprise and being provided with successively along on forward light incident light axis: the first optical fiber collimator 1, optoisolator chipware 2, second optical fiber collimator 3, optical fiber 9 is connected with the first optical fiber collimator 1, is provided with mirror assembly 4 between the first optical fiber collimator 1 and optoisolator chipware 2; Described mirror assembly 4 is 2 catoptrons, and 2 angles between catoptron and optical axis are 45 °, and 2 catoptrons all adopt ceramic reflecting mirror; First optical fiber collimator 1, optoisolator chipware 2, second optical fiber collimator 3 and mirror assembly 4 are all arranged in water-cooled packaging system 10.
Described first optical fiber collimator 1 comprises the first patch cord 11 and the first lens 12, first patch cord 11 is connected with the light path of optoisolator chipware 2 by the first lens 12; Described second optical fiber collimator 3 comprises the second patch cord 13 and the second lens 14, second patch cord 13 is connected with the light path of optoisolator chipware 2 by the second lens 14.
First patch cord 11 and the second patch cord 13 are 105/125 multimode optical fiber.
First lens 12 and the second lens 14 are C-Lens.
Described optoisolator chipware 3 comprises along the first birefringece crystal 5 that forward light incident light axis sets gradually, Faraday polarization apparatus 6,1/2 wave plate 7 and the second birefringece crystal 8; The optically-active angle of described Faraday polarization apparatus 6 is 45 °; Described 1/2 wave plate 7 passes through ultra-violet curing glue on the light inlet end face of the second birefringece crystal 8.A diaphragm is provided with between second birefringece crystal 8 and the second optical fiber collimator 3.
Described optoisolator chipware also comprises magnetic tube 15, and described Faraday polarization apparatus 6 is located in magnetic tube 15, and the two ends of magnetic tube 15 are located at respectively by the first birefringece crystal 5 and the second birefringece crystal 8.
Described first birefringece crystal 5 and the second birefringece crystal 8 all adopt the angle of wedge to be the YVO4 crystal of 5.8 °, adopt the angle of wedge of 5.8 ° can guarantee that light is propagated vertically and vertical axial skew does not occur, adopt the angle of wedge of 5.8 ° to increase return loss on the other hand.
In the online isolator of aforesaid a kind of liquid cooling hectowatt grade multimode, described Faraday polarization apparatus 6 adopts optically-active angle to be 45 ° of angles of wedge to be magnetic rotation crystal bar or the magnetic rotation glass rod of 2.5 °.
As shown in Figure 4, described liquid cooling packaging system 11 comprises housing 17, liquid cooling chamber 18, inlet 19 and liquid outlet 20, wherein one end of described housing 17 is provided with inlet 19 and liquid outlet 20, inlet 19 is located at the below of housing 17, liquid outlet 20 is located at the top of housing 17, is hollow structure between the outer wall of housing 17 and inwall, and described inlet 19 is connected with this hollow structure with liquid outlet 20, liquid cooling chamber 18 is arranged on the two ends in housing 17, and liquid cooling chamber 18 is communicated with hollow structure.
In described housing 17, the inwall corresponding with reflector position is provided with the diaphragm 16 of F=0-10mm.
Embodiment 2
As shown in Figure 2, the online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber described in the utility model, comprise and being provided with successively along on forward light incident light axis: the first optical fiber collimator 1, optoisolator chipware 2, second optical fiber collimator 3, optical fiber 9 is connected with the first optical fiber collimator 1, be provided with mirror assembly 4 between first optical fiber collimator 1 and optoisolator chipware 2, described mirror assembly 4 is 2 symmetrically arranged catoptrons; 2 angles between catoptron and optical axis are 45 °, and 2 catoptrons all adopt bronze mirror; First optical fiber collimator 1, optoisolator chipware 2, second optical fiber collimator 3 and mirror assembly 4 are all arranged in water-cooled packaging system 10.
Described first optical fiber collimator 1 comprises the first patch cord 11 and the first lens 12, first patch cord 11 is connected with the light path of optoisolator chipware 2 by the first lens 12; This second optical fiber collimator 3 comprises the second patch cord 13 and the second lens 14, second patch cord 13 is connected with the light path of optoisolator chipware 2 by the second lens 14.
First patch cord 11 and the second patch cord 13 are multimode optical fiber, 200/220.
First lens 12 and the second lens 14 are G-Lens.
Described optoisolator chipware 2 comprises along the first birefringece crystal 5 that forward light incident light axis sets gradually, Faraday polarization apparatus 6,1/2 wave plate 7 and the second birefringece crystal 8; The optically-active angle of described Faraday polarization apparatus 6 is 45 °; Described 1/2 wave plate 7 passes through ultra-violet curing glue on the light inlet end face of the second birefringece crystal 8.
Also comprise magnetic tube 15, described Faraday polarization apparatus 6 is located in magnetic tube 15, and the two ends of magnetic tube 15 are located at respectively by the first birefringece crystal 7 second birefringece crystal 8.
Described first birefringece crystal 5 and the second birefringece crystal 8 all adopt the angle of wedge to be the YVO4 crystal of 5.8 °, adopt the angle of wedge of 5.8 ° can guarantee that light is propagated vertically and vertical axial skew does not occur, adopt the angle of wedge of 5.8 ° can increase return loss by antireflection part echo on the other hand.
In the online isolator of aforesaid a kind of liquid cooling hectowatt grade multimode, described Faraday polarization apparatus 6 adopts optically-active angle to be 45 ° of angles of wedge to be magnetic rotation crystal bar or the magnetic rotation glass rod of 1.5 °.
As shown in Figure 4, described liquid cooling packaging system 10 comprises housing 17, liquid cooling chamber 18, inlet 19 and liquid outlet 20, wherein one end of described housing 17 is provided with inlet 19 and liquid outlet 20, inlet 19 is located at the below of housing 17, liquid outlet 20 is located at the top of housing 17, is hollow structure between the outer wall of housing 17 and inwall, and described inlet 19 is connected with this hollow structure with liquid outlet 20, liquid cooling chamber 18 is arranged on the two ends in housing 17, and liquid cooling chamber 18 is communicated with hollow structure.
In described housing 20, the inwall corresponding with reflector position is provided with the diaphragm 16 of F=-5mm.
Embodiment 3
As shown in Figure 3, the online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber described in the utility model, comprise and being provided with successively along on forward light incident light axis: the first optical fiber collimator 1, optoisolator chipware 2, second optical fiber collimator 3, optical fiber 9 is connected with the first optical fiber collimator 1, is provided with 2 symmetrically arranged mirror assemblies 4 between the first optical fiber collimator 1 and optoisolator chipware 2; Described mirror assembly 4 is that 2 angles between catoptron and optical axis are 45 °, and 2 catoptrons all adopt high anti-catoptron; Described first optical fiber collimator 1, optoisolator chipware 2, second optical fiber collimator 3 and mirror assembly 4 are all arranged in liquid cooling packaging system 10.
Described liquid cooling packaging system 10 comprises upper coolant pipe and bottom coolant pipe, and described upper coolant pipe is drain pipe, and bottom coolant pipe is feed tube; In described liquid cooling packaging system 10, the inwall corresponding with reflector position is provided with the diaphragm 16 of F=-10mm.
First optical fiber collimator 1 comprises the first patch cord 11 and the first lens 12, first patch cord 11 is connected with the light path of optoisolator chipware 2 by the first lens 12; This second optical fiber collimator 3 comprises the second patch cord 13 and the second lens 14, second patch cord 13 is connected with the light path of optoisolator chipware 2 by the second lens 14.
First patch cord 11 and the second patch cord 13 are 200/400 multimode optical fiber.
First lens 12 and the second lens 14 can be C-Lens, G-Lens or D-lens.
Described isolator chipware 2 comprises along the first birefringece crystal 5 that forward light incident light axis sets gradually, Faraday polarization apparatus 6,1/2 wave plate 7 and the second birefringece crystal 8; The optically-active angle of described Faraday polarization apparatus 6 is 45 °; Described 1/2 wave plate 7 passes through ultra-violet curing glue on the light inlet end face of the second birefringece crystal 8.
Also comprise magnetic tube 15, described Faraday polarization apparatus 6 is located in magnetic tube 15, and the two ends of magnetic tube 15 are located at respectively by the first birefringece crystal 5 and the second birefringece crystal 8.
Described first birefringece crystal 5 and the second birefringece crystal 8 all adopt the angle of wedge to be the YVO4 crystal of 5.8 °, adopt the angle of wedge of 5.8 ° can guarantee that light is propagated vertically and vertical axial skew does not occur, adopt the angle of wedge of 5.8 ° can increase return loss by antireflection part echo on the other hand.
In the online isolator of aforesaid a kind of liquid cooling hectowatt grade multimode, described Faraday polarization apparatus 6 adopts optically-active angle to be 45 ° of angles of wedge to be magnetic rotation crystal bar or the magnetic rotation glass rod of 1 °.
As shown in Figure 5, described liquid cooling packaging system 10 comprises housing 17, liquid cooling chamber 18, inlet 19 and liquid outlet 20, the two ends of described housing 17 are equipped with inlet 18 and liquid outlet 20, inlet 19 is located at the below of housing 17, liquid outlet 20 is located at the top of housing 17, is hollow structure between the outer wall of housing 17 and inwall, and described inlet 17 is connected with this hollow structure with liquid outlet 20, liquid cooling chamber 18 is arranged on the two ends in housing 17, and liquid cooling chamber 18 is communicated with hollow structure.
In described housing 17, the inwall corresponding with reflector position is provided with the diaphragm 16 of F=-10mm.
Diaphragm 16 in above-described embodiment also can adopt the negative lens of other specification.
Principle of work of the present utility model: as shown in Figure 1, during the transmission of light forward, light enters the first optical fiber collimator 1 by multimode optical fiber, and the light beam of transmission in multimode optical fiber 9 is converted into collimated light, improves coupling efficiency.Then light enters the first birefringece crystal 5, is divided into o light and e light, and both separate rapidly certain angle transmission and enter the Faraday polarization apparatus 6 that the anglec of rotation is 45 °.Have rotated 45 ° respectively towards same direction by the vibration plane of Faraday polarization apparatus 6, o light and e light.Postrotational o light and e light, after 1/2 wave plate 7, all change 45 ° to same direction again.O light now and e light enter the second birefringece crystal 8, and conjunction light incides the second optical fiber collimator 3 and collimates bright dipping, achieve the forward transmission of light.
As shown in Figure 2, when light path is reverse, first light enter the second collimating apparatus 3 by multimode optical fiber, and then incide in the second birefringece crystal 8, is divided into o light and e light fast.The o light returned and e light are through the effect of 1/2 wave plate 7, and its vibration plane changes 45 ° respectively towards same direction again.Due to the nonreciprocity of Faraday effect, have rotated 45 ° by the o light of 1/2 wave plate 7 and the vibration plane direction that light rotates towards the positive direction of e light light beam, the two separating light beam o light e light now returned are relative to the first birefringece crystal 5, change due to entering surface makes two separating light beams no longer pool a light beam along original light path, and the distance making it be separated on the contrary increases.After the reflection of catoptron 5 between the first optical fiber collimator 1 and the first birefringece crystal 5, o light and e light are respectively to be reflected separately perpendicular to the direction of 90 °, optical axis, to such an extent as to reflected light can not be coupled in the first optical fiber collimator 1 again, thus reach the target of reverse isolation.Incide respectively on the diaphragm 16 be arranged on housing 17 inwall perpendicular to the o light of optical axis and e light, because diaphragm 16 adopts negative lens, divergence of beam can be gone out, by being distributed in liquid of the even heat of o light and e light.
The heat produced in these two processes, in liquid cooling packaging system 10, the circulation of liquid, takes out of rapidly, thus reaches good radiating effect.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; the technical solution of the utility model is modified or equivalent replacement, all belong to protection domain of the present utility model.

Claims (10)

1. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber, comprise along forward light incident light axis sets gradually: the first optical fiber collimator (1), optoisolator chipware (2) and the second optical fiber collimator (3), multimode optical fiber (9) is connected with the first optical fiber collimator (1), it is characterized in that: be provided with mirror assembly (4) between described first optical fiber collimator (1) and optoisolator chipware (2); Described first optical fiber collimator (1), optoisolator chipware (2), the second optical fiber collimator (3) and mirror assembly (4) are all arranged in water-cooled packaging system (10).
2. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 1, is characterized in that: described mirror assembly (4) is 2 symmetrically arranged catoptrons, and described 2 angles between catoptron and light path are 45 °; So form a gap between 2 catoptrons, the effect of diaphragm is played in this gap; Described catoptron adopts ceramic reflecting mirror, bronze mirror or high anti-catoptron.
3. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 1, it is characterized in that: described first optical fiber collimator (1) comprises the first patch cord (11) and the first lens (12), the first patch cord (11) is connected by the light path of the first lens (12) with optoisolator chipware (2); Described second optical fiber collimator (3) comprises the second patch cord (13) and the second lens (14), and the second patch cord (13) is connected by the light path of the second lens (14) with optoisolator chipware (2).
4. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 1 or 2 or 3, is characterized in that: described optoisolator chipware (2) comprises along the first birefringece crystal (5) that forward light incident light axis sets gradually, Faraday polarization apparatus (6), 1/2 wave plate (7) and the second birefringece crystal (8); Described 1/2 wave plate (7) by ultra-violet curing glue on the light inlet end face of the second birefringece crystal (8).
5. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 4, it is characterized in that: also comprise magnetic tube (15), described Faraday polarization apparatus (6) is located in magnetic tube (15), and the two ends of magnetic tube (15) are located at respectively by the first birefringece crystal (5) and the second birefringece crystal (8).
6. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 1, it is characterized in that: described liquid cooling packaging system (10) comprises housing (17), liquid cooling chamber (18), inlet (19) and liquid outlet (20), at least one end of described housing (17) is provided with inlet (19) and liquid outlet (20), inlet (19) is located at the below of housing (17), liquid outlet (20) is located at the top of housing (17), be hollow structure between the outer wall of housing (17) and inwall, described inlet (19) is connected with this hollow structure with liquid outlet (20), liquid cooling chamber (18) is arranged on the two ends in housing (17), liquid cooling chamber (18) is communicated with hollow structure.
7. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 4, is characterized in that: described first patch cord (11) and the second patch cord (13) are the multimode optical fiber of 105/125,200/220 or 200/400.
8. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 3, is characterized in that: described first lens (12) and the second lens (14) are C-Lens, G-Lens or D-lens.
9. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 5, it is characterized in that: described first birefringece crystal (5) and the second birefringece crystal (8) all adopt the angle of wedge to be the YVO4 crystal of 5.8 °, described Faraday polarization apparatus (6) adopts optically-active angle to be 45 ° of angles of wedge to be magnetic rotation crystal bar or the magnetic rotation glass rod of 1 °-3 °.
10. the online optoisolator of liquid cooling hectowatt grade multimode optical fiber according to claim 6, is characterized in that: in described housing (17), the inwall corresponding with reflector position is provided with the diaphragm (16) of F:-10 ~ 0mm.
CN201420484504.0U 2014-08-26 2014-08-26 The online optoisolator of a kind of liquid cooling hectowatt grade multimode optical fiber Active CN204065464U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106773150A (en) * 2017-01-22 2017-05-31 北京凯普林光电科技股份有限公司 High-power liquid cold light isolator
WO2019000833A1 (en) * 2017-06-30 2019-01-03 深圳市创鑫激光股份有限公司 Method for adjusting degree of isolation, optical fiber isolator, and fiber laser

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN106773150A (en) * 2017-01-22 2017-05-31 北京凯普林光电科技股份有限公司 High-power liquid cold light isolator
WO2019000833A1 (en) * 2017-06-30 2019-01-03 深圳市创鑫激光股份有限公司 Method for adjusting degree of isolation, optical fiber isolator, and fiber laser

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