CN204166165U - Optical fiber jumper terminal and high power semiconductor lasers assembly - Google Patents
Optical fiber jumper terminal and high power semiconductor lasers assembly Download PDFInfo
- Publication number
- CN204166165U CN204166165U CN201420570251.9U CN201420570251U CN204166165U CN 204166165 U CN204166165 U CN 204166165U CN 201420570251 U CN201420570251 U CN 201420570251U CN 204166165 U CN204166165 U CN 204166165U
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- optical fiber
- lock pin
- jumper terminal
- receiving space
- fiber jumper
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Abstract
The utility model relates to a kind of optical fiber jumper terminal, comprises lock pin, optical fiber, lock pin seat and metal connecting piece; Lock pin seat front end connecting core insert, metal connecting piece is sheathed on the position that lock pin seat is connected with lock pin, and optical fiber through lock pin seat, and stretches in lock pin; Lock pin inside has receiving space, and collimation lens is installed in the front end of receiving space, and collimation lens is positioned at the leading section of lock pin, and the leading section of optical fiber is positioned at receiving space, and receiving space is seal cavity; Wherein, the leading section of optical fiber is positioned at the focus place of collimation lens.The utility model also relate to a kind of with optical fiber jumper terminal with the use of high power semiconductor lasers assembly.Optical fiber seal is in lock pin, and the collimation lens relative size exposed in the environment is comparatively large, and laser energy compares dispersion, improves reliability and the serviceable life of optical fiber jumper terminal.Compare with traditional SMA optical fiber jumper terminal, optical fiber jumper terminal of the present utility model and its high power semiconductor lasers assembly are more reliable, apply more extensive.
Description
Technical field
The utility model relates to a kind of optical fiber jumper terminal and high power semiconductor lasers assembly, in high power semiconductor lasers, belongs to the communications field.
Background technology
Semiconductor laser, owing to having the many merits such as volume is little, lightweight, efficiency is high, is widely used in the various fields such as industry, military affairs, medical treatment, communication.Due to the restriction of self quantum well waveguiding structure, the output beam quality of semiconductor laser is poor compared with the conventional laser such as CO2 laser instrument, solid YAG laser, hinders the expansion of its application.In recent years, along with the development of epitaxial growth of semiconductor material growing technology, semiconductor laser waveguiding structure optimisation technique, passivating cavity surface technology, high stability encapsulation technology, high efficiency and heat radiation technology, particularly have high-power at the demand driving of direct semiconductor Laser industry processed and applied and high power fiber laser pumping source, the semiconductor laser develop rapidly of high light beam quality.
The tail optical fiber of high power semiconductor lasers easily burns out, tail optical fiber burn out the inefficacy that will cause whole semiconductor laser.SMA optical fiber jumper terminal owing to changing, pluggable, be gradually applied in semiconductor laser.But traditional sub-miniature A connector optical patchcord is mainly used in the transmission of miniwatt light signal in optical communications, after being applied to high power semiconductor lasers, traditional optical patchcord there will be a lot of problem.The right alignment of the device such as lock pin, lock pin sleeve, nut of traditional optical patchcord will reach very high precision and could meet interchangeable requirement, and difficulty of processing is comparatively large, needs to adopt ultrahigh precision mold or mechanical processing technique to make, and cost is higher.Secondly, traditional optical patchcord is used in optical fiber communication, transmission be all low power light, generally adopt glue fixed fiber, the position of optical fiber is in the center of lock pin, and fiber end face exposes in atmosphere, optical fiber is concordant with insertion core end face, after high power semiconductor lasers, because glue thermal diffusivity is poor, the part luminous energy spilt in optical fiber head place cannot distribute and cause and burn out optical fiber, and the reliability for high power semiconductor lasers is lower, and the life-span is short.On the other hand, the light of tens even several hectowatts that high-power semiconductor laser sends concentrates on the optical fiber of hundreds of microns completely, and energy height is concentrated, and has small dust or dirtyly all can burn out optical fiber at fiber end face.
Therefore a kind of new optical fiber jumper terminal of design and high power semiconductor lasers is necessary, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is the defect overcoming prior art, and provide a kind of long service life, reliability is high, applies optical fiber jumper terminal and high power semiconductor lasers widely.
The utility model is achieved in that
The utility model provides a kind of optical fiber jumper terminal, comprises lock pin, optical fiber, lock pin seat and metal connecting piece; Described lock pin seat front end connects described lock pin, and described metal connecting piece is sheathed on the position that described lock pin seat is connected with described lock pin, and described optical fiber through described lock pin seat, and stretches in described lock pin; Described lock pin inside has a receiving space, and collimating lens is installed in the front end of described receiving space, and described collimation lens is positioned at the leading section of described lock pin, and the leading section of described optical fiber is positioned at described receiving space, and described receiving space is seal cavity; Wherein, the leading section of described optical fiber is positioned at the focus place of described collimation lens.
Further, described optical fiber is in the position, axis of described lock pin.
Further, described lock pin adopts oxygen-free copper to make.
Further, the high temperature glue that mated with optical fiber by refractive index of described optical fiber or glass solder are fixed in described lock pin.
Further, the leading section of described optical fiber is 2-5mm to the distance of the rear end face of described receiving space.
Further, the rear end of described lock pin seat is arranged with a plastic jacket, and the front end of described plastic jacket is connected with the rear end of described metal connecting piece.
The utility model also provide a kind of with optical fiber jumper terminal with the use of high power semiconductor lasers assembly, comprise a base, multiple chip is provided with in described base, on multiple equal altitudes that described multiple chip distribution is provided with along X-axis in described base and equally spaced step, multiple laser diode is fixed on the different steps of base, and is all positioned at and is parallel on the straight line of X-axis; In described base, corresponding each laser diode is also provided with a fast axis collimation mirror, slow axis collimating mirror and catoptron, described laser diode fast axis collimation mirror corresponding thereto, slow axis collimating mirror and catoptron to be all fixed on straight line and to be parallel to Y-axis, wherein, described slow axis collimating mirror is between described fast axis collimation mirror and described catoptron.
The utility model has following beneficial effect:
Optical fiber seal is in lock pin, and the collimation lens relative size exposed in the environment is comparatively large, and laser energy compares dispersion, improves reliability and the serviceable life of optical fiber jumper terminal.Compare with traditional SMA optical fiber jumper terminal, optical fiber jumper terminal of the present utility model and its high power semiconductor lasers assembly are more reliable, apply more extensive.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the optical fiber jumper terminal that Fig. 1 provides for the utility model embodiment;
The optical fiber jumper terminal that Fig. 2 provides for the utility model embodiment and the structural representation that high power semiconductor lasers assembly coordinates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
As Fig. 1 and Fig. 2, the utility model embodiment provides a kind of optical fiber jumper terminal 100, comprises lock pin 1, optical fiber 2, lock pin seat 4 and metal connecting piece 3.Described lock pin seat 4 front end connects described lock pin 1, described metal connecting piece 3 is sheathed on the position that described lock pin seat 4 is connected with described lock pin 1, described optical fiber 2 is through described lock pin seat 4, and stretch in described lock pin 1, described optical fiber 2 is in the position, axis of described lock pin 1, and the high temperature glue that described optical fiber 2 is mated with optical fiber 2 by refractive index or glass solder are fixed in described lock pin 1.Described lock pin 1 adopts the material with thermal conductive resin to make, and as oxygen-free copper, can improve its reliability and optical fiber 2 serviceable life.
As Fig. 1 and Fig. 2, described lock pin 1 inside has a receiving space 11, and collimating lens 6 is installed in the front end of described receiving space 11, and described collimation lens 6 is positioned at the leading section of described lock pin 1, the leading section of described optical fiber 2 is positioned at described receiving space 11, and described receiving space 11 is seal cavity; Wherein, the leading section of described optical fiber 2 is positioned at the focus place of described collimation lens 6.In this preferred embodiment, the leading section of described optical fiber 2 is 2-5mm to the distance of the rear end face of described receiving space 11, the luminous energy spilt can transfer out rapidly, is used in high power semiconductor lasers assembly and would not burns out optical fiber jumper terminal 100 because of high-energy.
As Fig. 1 and Fig. 2, in addition, the rear end of described lock pin seat 4 is arranged with a plastic jacket 5, and the front end of described plastic jacket 5 is connected with the rear end of described metal connecting piece 3, and described plastic jacket 5 is for the protection of described optical fiber 2 and described lock pin seat 4.
As Fig. 1 and Fig. 2, the utility model also provide a kind of with optical fiber jumper terminal 100 with the use of high power semiconductor lasers assembly, comprise a base 200, multiple laser chip is provided with in described base 200, on multiple equal altitudes that described multiple chip distribution is provided with along X-axis in described base 200 and equally spaced step, multiple laser diode 203 is fixed on the different steps of base 200, and is all positioned at and is parallel on the straight line of X-axis; In described base 200, corresponding each laser diode 203 is also provided with fast axis collimation mirror (not shown), slow axis collimating mirror 202 and a catoptron 201, described laser diode 203 fast axis collimation mirror corresponding thereto, slow axis collimating mirror 202 and catoptron 201 to be all fixed on straight line and to be parallel to Y-axis, described fast axis collimation mirror is less, and it becomes wire before described chip.Wherein, described slow axis collimating mirror 202 is between described fast axis collimation mirror and described catoptron 201.When optical fiber jumper terminal 100 is connected with high power semiconductor lasers assembly, light sends from chip, only disperse, after fast axis collimation mirror and slow axis collimating mirror 202, become directional light, multiple chip produces multiple directional light, and multiple directional light restraints into light beam by closing after multiple catoptron 201, after the focusing of described collimation lens 6, light enters described optical fiber 2.
In sum, the optical fiber jumper terminal 100 that provides of the utility model and high power semiconductor lasers assembly have following beneficial effect:
1. the utility model is linked together at collimation lens 6 and lock pin 1, optical fiber 2 is at the focus place of collimation lens 6, collimation lens 6 forms optical fiber jumper terminal 100 together with optical fiber 2, the distance that this optical fiber jumper terminal 100 can allow optical fiber to offset is 5-10 times of conventional jumpers, reduce right alignment requirement, greatly reduce difficulty of processing, save cost.
2. the front end of optical fiber 2 described in, in receiving space 11, is unsettled setting, directly can be transferred out, improve the temperature capacity of optical fiber jumper terminal 100 at the light of optical fiber 2 leading section by air.
3. lock pin 1 adopts the material with thermal conductive resin as oxygen-free copper, improves reliability and optical fiber serviceable life.
4. optical fiber 2 is sealed in lock pin 1, collimation lens 6 relative size exposed in the environment is larger, light on collimation lens 6 relatively disperses, the impact of minute dust is less, therefore, optical fiber jumper terminal 100 of the present utility model and high power semiconductor lasers assembly require lower to storage environment and spendable environment is more extensive, thus improves reliability and the serviceable life of optical fiber jumper terminal 100.Compare with traditional SMA optical fiber jumper terminal 100, optical fiber jumper terminal 100 of the present utility model and its high power semiconductor lasers assembly are more reliable, apply more extensive.
5. the optical fiber jumper terminal 100 that provides of the utility model, when same wire jumper repeatedly plugs or when changing the optical patchcord of another root for high-power laser transmission, the change of position in the direction of the optical axis can not affect the coupling of light; The change of traditional optical patchcord position in the direction of the optical axis has considerable influence to coupling efficiency.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. an optical fiber jumper terminal, is characterized in that, comprises lock pin, optical fiber, lock pin seat and metal connecting piece;
Described lock pin seat front end connects described lock pin, and described metal connecting piece is sheathed on the position that described lock pin seat is connected with described lock pin, and described optical fiber through described lock pin seat, and stretches in described lock pin;
Described lock pin inside has a receiving space, and collimating lens is installed in the front end of described receiving space, and described collimation lens is positioned at the leading section of described lock pin, and the leading section of described optical fiber is positioned at described receiving space, and described receiving space is seal cavity;
Wherein, the leading section of described optical fiber is positioned at the focus place of described collimation lens.
2. optical fiber jumper terminal as claimed in claim 1, is characterized in that: described optical fiber is in the position, axis of described lock pin.
3. optical fiber jumper terminal as claimed in claim 1 or 2, is characterized in that: described lock pin adopts oxygen-free copper to make.
4. optical fiber jumper terminal as claimed in claim 1, is characterized in that: the high temperature glue that described optical fiber is mated with optical fiber by refractive index or glass solder are fixed in described lock pin.
5. the optical fiber jumper terminal as described in claim 1 or 4, is characterized in that: the leading section of described optical fiber is 2-5mm to the distance of the rear end face of described receiving space.
6. optical fiber jumper terminal as claimed in claim 1, it is characterized in that: the rear end of described lock pin seat is arranged with a plastic jacket, the front end of described plastic jacket is connected with the rear end of described metal connecting piece.
7. one kind with optical fiber jumper terminal according to claim 1 with the use of high power semiconductor lasers assembly, it is characterized in that, comprise a base, multiple chip is provided with in described base, on multiple equal altitudes that described multiple chip distribution is provided with along X-axis in described base and equally spaced step, multiple laser diode is fixed on the different steps of base, and is all positioned at and is parallel on the straight line of X-axis;
In described base, corresponding each laser diode is also provided with a fast axis collimation mirror, slow axis collimating mirror and catoptron, described laser diode fast axis collimation mirror corresponding thereto, slow axis collimating mirror and catoptron to be all fixed on straight line and to be parallel to Y-axis, wherein, described slow axis collimating mirror is between described fast axis collimation mirror and described catoptron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570251.9U CN204166165U (en) | 2014-09-30 | 2014-09-30 | Optical fiber jumper terminal and high power semiconductor lasers assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570251.9U CN204166165U (en) | 2014-09-30 | 2014-09-30 | Optical fiber jumper terminal and high power semiconductor lasers assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166165U true CN204166165U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420570251.9U Active CN204166165U (en) | 2014-09-30 | 2014-09-30 | Optical fiber jumper terminal and high power semiconductor lasers assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104317009A (en) * | 2014-09-30 | 2015-01-28 | 武汉锐泽科技发展有限公司 | Fiber jumper wire joint and large-power semiconductor laser assembly |
| CN106618733A (en) * | 2017-01-16 | 2017-05-10 | 上海瑞柯恩激光技术有限公司 | Optical fiber connector and medical equipment |
-
2014
- 2014-09-30 CN CN201420570251.9U patent/CN204166165U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104317009A (en) * | 2014-09-30 | 2015-01-28 | 武汉锐泽科技发展有限公司 | Fiber jumper wire joint and large-power semiconductor laser assembly |
| CN106618733A (en) * | 2017-01-16 | 2017-05-10 | 上海瑞柯恩激光技术有限公司 | Optical fiber connector and medical equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430223, No. 2, building 2112, Pioneer Building, science and Technology Park, East Lake Development Zone, Wuhan, Hubei Patentee after: Wuhan RuiZe Technology Development Co., Ltd. Patentee after: WUHAN RAYCUS FIBER LASER TECHNOLOGIES CO., LTD. Address before: 430223, No. 2, building 2112, Pioneer Building, science and Technology Park, East Lake Development Zone, Wuhan, Hubei Patentee before: Wuhan RuiZe Technology Development Co., Ltd. Patentee before: Wuhan Raycus Fiber Laser Technologies Co., Ltd. |