CN210488038U - Optical fiber mixer - Google Patents
Optical fiber mixer Download PDFInfo
- Publication number
- CN210488038U CN210488038U CN201921617252.3U CN201921617252U CN210488038U CN 210488038 U CN210488038 U CN 210488038U CN 201921617252 U CN201921617252 U CN 201921617252U CN 210488038 U CN210488038 U CN 210488038U
- Authority
- CN
- China
- Prior art keywords
- glass tube
- fiber
- dual
- lens
- tail
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The embodiment of the utility model discloses optical fiber mixer, a serial communication port, include: a glass tube comprising a first glass tube and a second glass tube; the dual-fiber collimator comprises a dual-fiber tail fiber and a lens, wherein the lens is a spherical lens, the first glass tube is sleeved outside the dual-fiber tail fiber, and the second glass tube is sleeved outside the spherical lens and the dual-fiber tail fiber; interference light filter, interference light filter sets up the tail end of second glass pipe and with second glass union coupling, the head end of second glass pipe with the tail end of first glass pipe sets up relatively, simultaneously, the embodiment of the utility model provides a have the installation simple, quick, labour saving and time saving, characteristics safe and environment-friendly.
Description
Technical Field
The embodiment of the utility model provides an relate to optical fiber communication equipment technical field, concretely relates to optical fiber mixer.
Background
In optical fiber communication, an optical combination for collimating and coupling optical fiber light is called an optical fiber collimator, and the optical fiber collimator technology mainly includes two aspects, namely, selection of a lens and assembly.
Currently, the optical fiber collimators commonly used in the optical communication industry are mainly of two types:
first type of fiber collimator: the collimator is a GRIN lens collimator which uses a self-focusing lens with gradually-changed optical refractive index, the shape of the lens is a cylinder, the light emergent end is a plane, and the light incident end is an 8-degree inclined plane.
A second fiber collimator: namely, the collimator using a lens with a fixed refractive index is a spherical lens collimator, the lens is in a cylinder shape, the light emergent end is in a convex lens shape, and the light incident end is an inclined plane with an angle of 8 degrees.
In the optical passive device in the optical communication industry, a spherical lens collimator is commonly used as a single optical fiber collimator, and an interference filter is commonly used in cooperation with a double optical fiber collimator.
However, the glass material of the Green lens has a complex manufacturing process, contains highly toxic thallium ions, seriously pollutes the environment, and has higher price; therefore, finding a solution to replace the green lens is a widespread need in the industry.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an optical fiber mixer to solve among the prior art because the complicated preparation that leads to of preparation technology wastes time and energy the problem.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
according to the utility model discloses an aspect provides an optical fiber mixer, includes:
a glass tube comprising a first glass tube and a second glass tube;
the dual-fiber collimator comprises a dual-fiber tail fiber and a lens, wherein the lens is a spherical lens, the first glass tube is sleeved outside the dual-fiber tail fiber, and the second glass tube is sleeved outside the spherical lens and the dual-fiber tail fiber;
and the interference filter is arranged at the tail end of the second glass tube and is connected with the second glass tube, and the head end of the second glass tube is opposite to the tail end of the first glass tube.
Further, the interference filter is bonded with the tail end of the second glass tube.
Further, the interference filter is bonded with the tail end of the second glass tube through first glue.
Further, the first glass tube is bonded to the outside of the dual fiber pigtail.
Further, the second glass tube is bonded to the outside of the spherical lens and the dual fiber pigtail.
Further, the first glass tube and the second glass tube are arranged at intervals.
The embodiment of the utility model provides a have following advantage:
the embodiment of the utility model provides an optical fiber mixer, the first glass tube bonds outside the double-fiber pigtail, protects and fixes the double-fiber pigtail through the first glass tube; the second glass tube is bonded outside the spherical lens and the double-fiber pigtail, and the spherical lens is protected and fixed by the second glass tube; bonding the interference filter to the tail end of the second glass tube through first glue; the optical fiber mixer is formed by combining the interference filter and the double-optical-fiber collimator in a bonding mode, the whole structure is simple and quick to install, time and labor are saved, the performance is stable, and the influence of temperature interference is small.
Two, the embodiment of the utility model provides an optical fiber mixer, two optical collimator choose for use spherical lens to replace Green lens, when reduce cost, have played the effect of safety ring guarantor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic cross-sectional structural diagram of an optical fiber mixer provided in embodiment 1 of the present invention;
in the figure: 1-a first glass tube; 2-a second glass tube; 3-an interference filter; 4-double fiber pigtail; 5-a spherical lens; 6-mixed light; 7-reflected light; 8-outputting light.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, an embodiment of the present invention provides an optical fiber mixer, including:
glass tubes including a first glass tube 1 and a second glass tube 2;
the double-optical fiber collimator comprises a double-optical fiber tail fiber 4 and a lens, wherein the double-optical fiber tail fiber 4 consists of two optical fibers which are transmitted into a double-hole or single-hole glass capillary; the lens is a spherical lens 5, the first glass tube 1 is sleeved outside the double-optical-fiber tail fiber 4, and the second glass tube 2 is sleeved outside the spherical lens 5 and the double-optical-fiber tail fiber 4;
and the interference filter 3 is arranged at the tail end of the second glass tube 2 and is connected with the second glass tube 2, the head end of the second glass tube 2 is opposite to the tail end of the first glass tube 1, and the interference filter 3 is selected according to the wavelength of the light 8 to be output.
The embodiment of the utility model provides an optical fiber mixer, a double optical fiber collimator selects a spherical lens 5 to replace a Green lens, thereby reducing the cost and simultaneously achieving the effects of safety and environmental protection; in addition, the whole structure is simple and quick to install, time-saving and labor-saving, stable in performance and small in influence of temperature interference.
In order to achieve the mounting of the interference filter 3 on the second glass tube 2, the interference filter 3 is glued to the end of the second glass tube 2.
For the sake of simplicity of installation, the interference filter 3 is glued to the end of the second glass tube 2 by means of a first glue.
In order to fix the dual-fiber pigtail 4, the first glass tube 1 is bonded to the outside of the dual-fiber pigtail 4 by a second glue.
In order to protect the spherical lens 5 and fix the spherical lens 5, the second glass tube 2 is bonded to the outside of the spherical lens 5 by a third glue and bonded to the outside of the dual-fiber pigtail 4 by a fourth glue.
In order to avoid assembly interference, the first glass tube 1 and the second glass tube 2 are arranged at intervals.
Principle of operation
The mixed light 6 is output through the tail end of the double-optical-fiber tail fiber 4, passes through the head end of the second glass tube 2, is transmitted to the spherical lens 5, and is output through the spherical lens 5, passes through the tail end of the second glass tube 2, reaches the interference filter 3, cannot penetrate through the interference filter 3 to form reflected light 7, is output along the double-optical-fiber tail fiber 4, is required light, penetrates through the interference filter 3 to form output light 8, and is output from the interference filter 3.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (6)
1. An optical fiber mixer, comprising:
a glass tube comprising a first glass tube and a second glass tube;
the dual-fiber collimator comprises a dual-fiber tail fiber and a lens, wherein the lens is a spherical lens, the first glass tube is sleeved outside the dual-fiber tail fiber, and the second glass tube is sleeved outside the spherical lens and the dual-fiber tail fiber;
and the interference filter is arranged at the tail end of the second glass tube and is connected with the second glass tube, and the head end of the second glass tube is opposite to the tail end of the first glass tube.
2. The fiber optic mixer of claim 1, wherein: and the interference filter is bonded with the tail end of the second glass tube.
3. The fiber optic mixer of claim 2, wherein: and the interference filter is bonded with the tail end of the second glass tube through first glue.
4. The fiber optic mixer of claim 3, wherein: the first glass tube is bonded to the outside of the dual fiber pigtail.
5. The fiber optic mixer of claim 4, wherein: the second glass tube is bonded to the spherical lens and the outside of the dual fiber pigtail.
6. The fiber optic mixer of claim 5, wherein: the first glass tube and the second glass tube are arranged at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617252.3U CN210488038U (en) | 2019-09-26 | 2019-09-26 | Optical fiber mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617252.3U CN210488038U (en) | 2019-09-26 | 2019-09-26 | Optical fiber mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210488038U true CN210488038U (en) | 2020-05-08 |
Family
ID=70508793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921617252.3U Expired - Fee Related CN210488038U (en) | 2019-09-26 | 2019-09-26 | Optical fiber mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210488038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308852A (en) * | 2022-07-20 | 2022-11-08 | 昂纳信息技术（深圳）有限公司 | Optical module and receiving terminal assembly thereof |
-
2019
- 2019-09-26 CN CN201921617252.3U patent/CN210488038U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115308852A (en) * | 2022-07-20 | 2022-11-08 | 昂纳信息技术（深圳）有限公司 | Optical module and receiving terminal assembly thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9939595B2 (en) | Multi-channel laser device with fiber array | |
| US8873909B1 (en) | Micro-optic filtering devices and method of making the same | |
| CN102854584A (en) | Single-fiber two-way optical transceiver | |
| CN210488038U (en) | Optical fiber mixer | |
| CN201266251Y (en) | Optical fiber collimating device | |
| CN104570237A (en) | Optical fiber interface component and manufacturing process thereof | |
| CN106646781A (en) | High-speed photoelectric receiving port and manufacturing method thereof | |
| CN206400143U (en) | 3 x 1 wavelength division multiplexer | |
| CN205427370U (en) | An optical separator | |
| CN208860999U (en) | Mini optical fibre collimator | |
| CN204101770U (en) | A kind of gain flattening filter | |
| CN114384631B (en) | Manufacturing method of sintered and fused 980-1550nm optical isolator | |
| CN207611173U (en) | A kind of high-speed light receiving unit of light path optimization design | |
| CN201017068Y (en) | Optical fiber collimating device | |
| CN105572916A (en) | Opto-isolator | |
| CN101251630A (en) | Optical fiber casing tube of optical fiber head | |
| CN204855854U (en) | Integrated array optical filter of multichannel | |
| CN204790089U (en) | Two -way optical assembly of single fiber | |
| CN205210349U (en) | PWDM -PD subassembly of viscose structure | |
| CN108710176A (en) | A kind of mems optical switch | |
| CN103323105A (en) | Tap-photodetector and manufacturing method thereof | |
| CN2532496Y (en) | Double-sided double optical fiber head | |
| CN202166762U (en) | Contact pin used for single-fiber bidirectional component | |
| CN204740372U (en) | Integrated array optical isolator of multichannel | |
| CN104656197A (en) | Miniature novel optical fiber collimator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20200508 Termination date: 20210926 |