CN204964810U - Novel fiber collimator - Google Patents
Novel fiber collimator Download PDFInfo
- Publication number
- CN204964810U CN204964810U CN201520789085.6U CN201520789085U CN204964810U CN 204964810 U CN204964810 U CN 204964810U CN 201520789085 U CN201520789085 U CN 201520789085U CN 204964810 U CN204964810 U CN 204964810U
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- CN
- China
- Prior art keywords
- optical fiber
- collimator
- housing
- shell
- collimation device
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- 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.)
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Abstract
The utility model belongs to the technical field of fiber optic technology and specifically relates to a novel fiber collimator, including first collimation device and second collimation device, first collimation device passes through the optical fiber cable with second collimation device spare to be connected, and first collimation device includes the casing, is provided with first casing and second casing in the casing, and first casing and casing all are provided with a refractor, second collimation device includes the shell, and upper portion is provided with the 2nd refractor in the shell, and the inside intermediate position of shell is provided with collimating lens, and the lower part is provided with focusing lens in the shell. The utility model discloses a cooperation is used between first collimation device and second collimation device, makes optic fibre collimation effect more show, is provided with the optical fiber cable connecting piece within a definite time at first collimation device and second collimation device in addition, and the optical fiber cable connecting piece can make two optic fibre interconnect together, does not influence the data transmission of its optic fibre, and simple structure is compact, and easily assembly, dismantlement have very strong practicality.
Description
Technical field
The utility model relates to technical field of optical fiber, especially a kind of optical fiber collimator.
Background technology
In optical-fiber laser assembly (as optoisolator, optical splitter, photoswitch etc.), often need the beam expander transmitted in a fiber and after parallelization, by some functional module, then parallelization light beam focused on and continuation transmission in coupled back into optical fibers.The part having this function is exactly optical fiber collimator (FiberCollimtor); Two paired optical fiber collimators are comprised in optical fiber collimator system, one of them optical fiber collimator can will have the outgoing beam at certain loose angle (NA), by after system works distance, more various field will be applied to after light beam parallelization through collimation lens.
In fiber laser system, on the one hand, system temperature can be made by radiation and convection current to raise the heating of housing; On the other hand, at lens itself, due to the incomplete antireflection process of lens surface or the existence due to surface particles, the heat that its radiation produces is reflected back, this uncontrolled negation radiation also can produce thermal effect to system, and these thermal effect are instable main causes in Fiber Optical Communication System.
In current optical fibre device, optical fiber collimator mainly applies optical-fibre communications field, but there is following problem in current optical fiber collimator: one is be difficult to collimation high-power fiber export, in default of cooling mechanism, in addition optical fiber collimator structure contains glue, is difficult to bear higher temperature; Two is be difficult to adapt to distinct interface form, and current optical-fiber laser jumper wire construction is various informative, common are QB, RQB, QD, SMAQ, SMA905 etc.; Three is the optical fiber being difficult to adapt to different N A, and the present invention adopts multiple-piece camera lens, the maximum beam collimation realizing more than NA0.46 optical fiber.
Utility model content
For above-mentioned the deficiencies in the prior art, it is simple that the purpose of this utility model is to provide a kind of structure, the significant optical fiber collimator of collimating effect.
To achieve these goals, the utility model adopts following technical scheme:
A kind of optical fiber collimator, comprise the first collimator apparatus and the second collimator apparatus, described first collimator apparatus is connected by optical fiber cable with the second collimator apparatus part, described first collimator apparatus comprises housing, be provided with the first housing and the second housing in described housing, described first housing and housing are provided with first refractive lens;
Described second collimator apparatus comprises shell, and described shell internal upper part is provided with the second refractor, and described enclosure centre position is provided with collimation lens, and in described shell, bottom is provided with condenser lens.
Further, WDM wave filter is provided with between two described first refractive lens.
Further, described first left and right sides, housing upper surface is respectively arranged with the first optical fiber input port and the first optical fiber delivery outlet, and described second lower housing portion center is provided with the second optical fiber delivery outlet.
Further, described shell upper is provided with the second optical fiber input port.
Further, be also provided with WDM wave filter between described second refractor and collimation lens, described collimation lens bottom is provided with light resolution filter, and described light resolution filter bottom is provided with fibre optic isolater.
Further, shell leftward position is provided with photodiode.
Further, described first collimator apparatus is provided with the joints of optical fibre with the optical fiber cable be connected between the second collimator apparatus.
Owing to adopting technique scheme, the utility model adopt between the first collimator apparatus and the second collimator apparatus with the use of, make fiber optic collimator effect more remarkable, between the first collimator apparatus and the second collimator apparatus, be provided with optical fiber cable web member in addition, optical fiber cable web member can make two optical fiber interconnect, and does not affect the data transmission of its optical fiber, simple and compact for structure, be easy to assembling, dismounting, has very strong practicality and market popularization value.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the second collimator structure schematic diagram of the utility model embodiment;
Reference numeral in figure: 1-first optical fiber input port; 2-first optical fiber delivery outlet; 4-second refractor; 5-photodiode; 6-WDM wave filter; 7-collimation lens; 8-optical fiber resolution filter; 9-fibre optic isolater; 10-condenser lens; 12-second optical fiber input port; The 13-joints of optical fibre; 14-second optical fiber delivery outlet; 15-housing; 16-first housing; 17-second housing; 18-first refractive lens; 20-shell.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As Fig. 1 and shown in composition graphs 2, a kind of optical fiber collimator, comprise the first collimator apparatus and the second collimator apparatus, described first collimator apparatus is connected by optical fiber cable with the second collimator apparatus part, first collimator apparatus comprises housing 15, is provided with the first housing 16 and the second housing 17 in described housing 15, is provided with first refractive lens in described first housing 16 and the second housing 17, refractor has reflective functions and perspective function
Described second collimator apparatus comprises shell 20, described shell 20 internal upper part is provided with the second refractor 4, described shell 20 bosom position is provided with collimation lens 7, optical fiber is entered the scattered beam aligning that the second refractor 4 is formed by collimation lens 7, in described shell 20, bottom is provided with condenser lens 10, and it is a bit that optical fiber converges by condenser lens 10.
Further, WDM wave filter 6 is provided with between two described first refractive lens 18, optical fiber filter is used to the instrument carrying out wavelength chooses, it can pick out required wavelength from numerous wavelength, and the light except this wavelength will be rejected and passes through, it may be used for wavelength chooses, the noise filtering of image intensifer, gain balance, light multiplex/demultiplex.
Further, described first left and right sides, housing 16 upper surface is respectively arranged with the first optical fiber input port 1 and the first optical fiber delivery outlet 2, and described second housing 17 lower central position is provided with the second optical fiber delivery outlet 14.
Further, described shell 20 top is provided with the second optical fiber input port 14.
Further, be also provided with WDM wave filter 6 between described second refractor 4 and collimation lens 7, described collimation lens 7 bottom is provided with optical fiber resolution filter 8, and described optical fiber resolution filter 8 bottom is provided with fibre optic isolater.
Further, shell 20 leftward position is provided with photodiode 5, and general-purpose diode is the same, and the semiconductor devices be also made up of a PN junction also has one direction conductive characteristic.But it is not make rectifier cell in circuit, but light signal is converted to the optoelectronic sensor of electric signal.
Further, described first collimator apparatus is provided with the joints of optical fibre 13 with the optical fiber cable be connected between the second collimator apparatus, and optical fiber cable connector 13 can make two optical fiber interconnect, and does not affect the data transmission of its optical fiber.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. an optical fiber collimator, it is characterized in that: comprise the first collimator apparatus and the second collimator apparatus, described first collimator apparatus is connected by optical fiber cable with the second collimator apparatus part, described first collimator apparatus comprises housing, be provided with the first housing and the second housing in described housing, described first housing and housing are provided with first refractive lens;
Described second collimator apparatus comprises shell, and described shell internal upper part is provided with the second refractor, and described enclosure centre position is provided with collimation lens, and in described shell, bottom is provided with condenser lens.
2. a kind of optical fiber collimator according to claim 1, is characterized in that: be provided with WDM wave filter between two described first refractive lens.
3. a kind of optical fiber collimator according to claim 1, it is characterized in that: described first effect both sides, housing upper surface are respectively arranged with the first optical fiber input port and the first optical fiber delivery outlet, and described second lower housing portion center is provided with the second optical fiber delivery outlet.
4. a kind of optical fiber collimator according to claim 1, is characterized in that: described shell upper is provided with the second optical fiber input port.
5. a kind of optical fiber collimator according to claim 1, it is characterized in that: between described second refractor and collimation lens, be also provided with WDM wave filter, described collimation lens bottom is provided with light resolution filter, and described light resolution filter bottom is provided with fibre optic isolater.
6. a kind of optical fiber collimator according to claim 1, is characterized in that: shell leftward position is provided with photodiode.
7. a kind of optical fiber collimator according to claim 1, is characterized in that: described first collimator apparatus is provided with the joints of optical fibre with the optical fiber cable be connected between the second collimator apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789085.6U CN204964810U (en) | 2015-10-12 | 2015-10-12 | Novel fiber collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789085.6U CN204964810U (en) | 2015-10-12 | 2015-10-12 | Novel fiber collimator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204964810U true CN204964810U (en) | 2016-01-13 |
Family
ID=55059866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520789085.6U Expired - Fee Related CN204964810U (en) | 2015-10-12 | 2015-10-12 | Novel fiber collimator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204964810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488433A (en) * | 2019-08-16 | 2019-11-22 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
-
2015
- 2015-10-12 CN CN201520789085.6U patent/CN204964810U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488433A (en) * | 2019-08-16 | 2019-11-22 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181127 Address after: 053000 the north side of the seven road of New Development Zone, Hengshui, Hebei, and the west side of Zhenhua new road. Patentee after: Hengshui haopen Photoelectric Technology Co., Ltd. Address before: 264000 154 commercial room, C District, Jinshui bridge, Zhaoyuan, Yantai, Shandong Patentee before: YANTAI HAOCHEN PHOTOELECTRIC TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20191012 |