CN211375142U - Optical fiber fusion matching device - Google Patents
Optical fiber fusion matching device Download PDFInfo
- Publication number
- CN211375142U CN211375142U CN202020037444.3U CN202020037444U CN211375142U CN 211375142 U CN211375142 U CN 211375142U CN 202020037444 U CN202020037444 U CN 202020037444U CN 211375142 U CN211375142 U CN 211375142U
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- Prior art keywords
- self
- optical fiber
- focusing lens
- fiber fusion
- tio
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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.)
- Expired - Fee Related
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 31
- 230000004927 fusion Effects 0.000 title claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 21
- 229910052681 coesite Inorganic materials 0.000 claims description 6
- 229910052906 cristobalite Inorganic materials 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052682 stishovite Inorganic materials 0.000 claims description 6
- 229910052905 tridymite Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 abstract description 18
- 230000003287 optical effect Effects 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model discloses an optical fiber fusion matching device, including the shell body, shell body internally mounted has optical fiber fusion device, and the shell body both ends are equipped with the optical fiber access mouth respectively, and optical fiber access mouth department inserts and waits to connect optic fibre, and optical fiber fusion device includes laser instrument, first self-focusing lens and second self-focusing lens, and first self-focusing lens sets up in laser instrument one side, and second self-focusing lens sets up in first self-focusing lens one side, and the laser instrument is installed in optic fibre one side, the utility model discloses structural design is novel, can realize the accurate matching to optic fibre, can not deal with county optical signal's transmission moreover.
Description
Technical Field
The utility model relates to an optical fiber fusion technical field specifically is an optical fiber fusion matching device.
Background
Optical fibers are short for optical fibers, and are fibers made of glass or plastic that can be used as a light conducting means. The principle of transmission is 'total reflection of light'. The optical fiber is composed of two layers of glass with different refractive indexes. The inner layer is an optical inner core, the diameter of the inner layer is several micrometers to dozens of micrometers, and the diameter of the outer layer is 0.1-0.2 mm. Typically, the refractive index of the core glass is 1% greater than that of the outer glass. According to the principle of refraction and total reflection of light, when the angle of light striking the interface of the inner core and the outer layer is larger than the critical angle for generating total reflection, the light can not pass through the interface and is totally reflected.
The existing optical fiber fusion matching device has a single structure and low matching precision, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an optical fiber fusion matching device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optic fibre fuses matching device, includes the shell body, shell body internally mounted has optic fibre to fuse the device, the shell body both ends are equipped with the optical fiber access mouth respectively, optic fibre access entrance access treats to connect optic fibre, optic fibre fuses the device and includes laser instrument, first self-focusing lens and second self-focusing lens, first self-focusing lens sets up in laser instrument one side, the second self-focusing lens sets up in first self-focusing lens one side, the laser instrument is installed in optic fibre one side.
Preferably, the first self-focusing lens and the second self-focusing lens have the same structure and comprise a first self-focusing lens body and a second self-focusing lens body; the rear end face of the first self-focusing lens body is plated with a first light splitting film, and the front end face of the second self-focusing lens body is plated with a second light splitting film.
Preferably, the first light splitting film and the second light splitting film have the same structure and comprise first TiO2Film layer, first SiO2Film layer, second TiO2Film layer, second SiO2Film layer, third TiO2Film layer of the first TiO2Film layer and second TiO2First SiO is compounded between the film layers2Film layer of the second TiO2Film layer and third TiO2The second SiO is compounded between the film layers2And (5) film layer.
Preferably, the outer shell adopts a cuboid structure, and is made of high-temperature-resistant materials.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses structural design is novel, can realize the accurate matching to optic fibre, can not answer county optical signal's transmission moreover.
(2) The utility model adopts two groups of self-focusing lenses to focus the light beam in space and has the function of filtering or splitting the wavelength of the light signal; in addition, the adopted light splitting film has higher transmittance, and the optical fiber fusion efficiency is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the self-focusing lens of the present invention;
fig. 3 is a cross-sectional view of the light splitting film of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-3, the present invention provides a technical solution: an optical fiber fusion matching device comprises an outer shell 1, wherein the outer shell 1 is of a cuboid structure, and the outer shell 1 is made of high-temperature-resistant materials; 1 internally mounted of shell body has optic fibre to fuse device 2, 1 both ends of shell body are equipped with optic fibre access mouth 3 respectively, optic fibre access mouth 3 department inserts treats to connect optic fibre 4, optic fibre fuses device 2 includes laser instrument 5, first self-focusing lens 6 and second self-focusing lens 7, first self-focusing lens 6 sets up in laser instrument 5 one side, second self-focusing lens 7 sets up in first self-focusing lens 6 one side, laser instrument 5 is installed in optic fibre 4 one side.
In the present invention, the first self-focusing lens 6 and the second self-focusing lens 7 have the same structure, and include a first self-focusing lens body 8 and a second self-focusing lens body 9; the rear end face of the first self-focusing lens body 8 is plated with a first light splitting film 10, and the front end face of the second self-focusing lens body 9 is plated with a second light splitting film 11.
In addition, in the utility model, the first light splitting film 10 and the second light splitting film 11 have the same structure completely, including the first TiO2 Film layer 12, first SiO2 Film layer 13, second TiO2 Film layer 14, second SiO2 Film layer 15, third TiO2 Film layer 16 of the first TiO2 Film layer 12 and second TiO2The first SiO is compounded between the film layers 142 Film layer 13 of the second TiO2Film 14 and third TiO2The second SiO is compounded between the film layers 162A membrane layer 15.
The utility model adopts two groups of self-focusing lenses to focus the light beam in space and has the function of filtering or splitting the wavelength of the light signal; in addition, the adopted light splitting film has higher transmittance, and the optical fiber fusion efficiency is further improved.
The working principle is as follows: the light power emitted by the laser is focused into parallel beams by the two self-focusing lenses, and the parallel beams are coupled with the transmission optical fiber through the light splitting film to perform optical fiber fusion.
To sum up, the utility model discloses structural design is novel, can realize the accurate matching to optic fibre, can not reply county optical signal's transmission moreover.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. An optical fiber fusion matching device comprises an outer shell (1), and is characterized in that: the utility model discloses an optical fiber fusion device, including shell body (1), optical fiber fusion device (2), optical fiber access mouth (3) are equipped with respectively at shell body (1) both ends, optical fiber access mouth (3) department inserts and treats connecting optical fiber (4), optical fiber fusion device (2) include laser instrument (5), first self-focusing lens (6) and second self-focusing lens (7), first self-focusing lens (6) set up in laser instrument (5) one side, second self-focusing lens (7) set up in first self-focusing lens (6) one side, install in optical fiber (4) one side laser instrument (5).
2. The optical fiber fusion matching device according to claim 1, wherein: the first self-focusing lens (6) and the second self-focusing lens (7) are completely consistent in structure and comprise a first self-focusing lens body (8) and a second self-focusing lens body (9); the rear end face of the first self-focusing lens body (8) is plated with a first light splitting film (10), and the front end face of the second self-focusing lens body (9) is plated with a second light splitting film (11).
3. The optical fiber fusion matching device according to claim 2, wherein: the first light splitting film (10) and the second light splitting film (11) have the same structure and comprise first TiO2A film layer (12) and a first SiO2Film layer (13) and second TiO2Film layer (14), second SiO2Film layer (15) and third TiO2A film layer (16), the first TiO2The film layer (12) and the second TiO2The first SiO is compounded between the film layers (14)2A film layer (13), the second TiO2The film layer (14) and the third TiO2The second SiO is compounded between the film layers (16)2A membrane layer (15).
4. The optical fiber fusion matching device according to claim 1, wherein: the outer shell (1) is of a cuboid structure, and the outer shell (1) is made of high-temperature-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020037444.3U CN211375142U (en) | 2020-01-08 | 2020-01-08 | Optical fiber fusion matching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020037444.3U CN211375142U (en) | 2020-01-08 | 2020-01-08 | Optical fiber fusion matching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211375142U true CN211375142U (en) | 2020-08-28 |
Family
ID=72150438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020037444.3U Expired - Fee Related CN211375142U (en) | 2020-01-08 | 2020-01-08 | Optical fiber fusion matching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211375142U (en) |
-
2020
- 2020-01-08 CN CN202020037444.3U patent/CN211375142U/en not_active Expired - Fee Related
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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: 20200828 |