CN208000396U - A kind of optical fiber collimator - Google Patents
A kind of optical fiber collimator Download PDFInfo
- Publication number
- CN208000396U CN208000396U CN201820483345.0U CN201820483345U CN208000396U CN 208000396 U CN208000396 U CN 208000396U CN 201820483345 U CN201820483345 U CN 201820483345U CN 208000396 U CN208000396 U CN 208000396U
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- gold
- plated
- casing
- sealing section
- 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.)
- Active
Links
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model provides a kind of optical fiber collimator, which includes gold-plated collimator casing, tail optical fiber and lens, and tail optical fiber and lens are set in gold-plated collimator casing;Tail optical fiber includes gold-plated sealing section casing, optical fiber and capillary;Optical fiber includes naked fibre part, and optical fiber penetrates the endoporus of gold-plated sealing section casing, and naked fibre part is located at the centre position of endoporus;The surface of naked fibre part is covered with the first layer gold, and the first layer gold is fixed by the inner hole wall of solder and gold-plated sealing section casing and welded;The both ends of the naked fibre part of optical fiber are respectively arranged with the first protection part and the second protection part, and the first protection part and the second protection part pass through glue and gold-plated sealing section casing fixed bonding;Inside second protection partial insertion capillary of optical fiber, the second protection part is fixedly connected with capillary by glue.Optical fiber collimator can be improved using the optical fiber collimator of the utility model and be fixedly connected with stability and raising high temperature resistant Cheng Du with external equipment.
Description
Technical field
The utility model is related to technical field of optical fiber communication, specifically, being related to a kind of fiber optic collimator applied in light path
Device.
Background technology
Optical fiber collimator belongs to an optical element for input and output for fiber optic communication optical device, and structure is very simple
Single, the diverging light of optical fiber outflow becomes directional light by preposition similar convex lens.Its effect is to make consolidating for light maximal efficiency
Surely enter the receiving in required device or easily such as receiving optical signal maximal efficiency.
Optical fiber seal section is a kind of product for being formed after metallized optical fibre and metal sleeve combination.For all kinds of active, nothings
Level Hermetic Package between the coupling of source device, positioning welding and optical fiber and shell.Optical fiber is realized into filled gold, to real
The all-metalization of existing optical device is hermetically sealed, has very important significance.It can substitute the macromolecule being commonly used
The problems such as material Binding scheme, the easy aging of solution high molecular material, creep, non-refractory, in some reliability and stability
Exigent field, such as main line high-speed communication, submarine communication, military and national defense, aerospace, have a very wide range of applications
And foreground.
Existing optical fiber collimator with other optical devices or optical device when being fixedly connected, usually using adhesive
(Such as, glue etc.)Bonding, stability is bad, and unsuitable high temperature resistant.Therefore, it is necessary to by optical fiber collimator and optical fiber seal section into
Row combines, to increase optical fiber collimator application scenario.
Invention content
The purpose of this utility model is to provide a kind of light for improving optical fiber collimator and being fixedly connected with stability with external equipment
Fine collimator.
To achieve the goals above, optical fiber collimator provided by the utility model include gold-plated collimator casing, tail optical fiber with
And lens, tail optical fiber and lens are set in gold-plated collimator casing;Tail optical fiber includes gold-plated sealing section casing, optical fiber and capillary
Pipe;Optical fiber includes naked fibre part, and optical fiber penetrates the endoporus of gold-plated sealing section casing, and naked fibre part is located at the centre position of endoporus;
The surface of naked fibre part is covered with the first layer gold, and the first layer gold is fixed by the inner hole wall of solder and gold-plated sealing section casing and welded
It connects;The both ends of the naked fibre part of optical fiber are respectively arranged with the first protection part and the second protection part, the first protection part and the
Two protection parts pass through glue and gold-plated sealing section casing fixed bonding;Inside second protection partial insertion capillary of optical fiber,
Second protection part is fixedly connected with capillary by glue;Capillary is provided with the first accommodating chamber and the second accommodating chamber, and first
Accommodating chamber is connected with the second accommodating chamber, and the second protection part is through the first accommodating chamber and is inserted into the second accommodating chamber;First holds
Chamber of receiving is provided with opening, and the internal diameter of the first accommodating chamber is gradually reduced from opening to the second receiving cavity direction;Capillary is additionally provided with
First side and second side, first side and second side are disposed opposite to each other, and second side is obliquely installed relative to first side,
Opening is located at first side, and the end face for the second protection part being inserted into inside capillary is in same plane with second side;Thoroughly
Mirror is provided with third side and the 4th side, and the 4th side and the 4th side are disposed opposite to each other, and third side is relative to first side
It is obliquely installed, the 4th side is spherical surface;Second side is parallel with third side and is oppositely arranged, and the 4th side open is in gold-plated standard
Straight device casing.
By said program as it can be seen that the optical fiber collimator of the utility model makes light by the way that optical fiber seal section is arranged on optical fiber
Fine collimator can be individually sealed after antithesis, so that optical fiber collimator is had the function of sealing, while can reduce close
Coupling optical path is influenced due to elevated-temperature seal when envelope.Moreover, optical fiber and gold-plated sealing section sleeve, solder is fixed using solder
It combines closely respectively with optical fiber and gold-plated sealing section sleeve, improves the leakproofness of product.In addition, optical fiber collimator is using gold-plated close
Envelope section sleeve and gold-plated collimator casing, can be welded and fixed convenient for optical fiber collimator with external equipment, and stable connection is improved
Property, while heat safe performance also can be improved.
In further embodiment, gold-plated sealing section casing and intercapillary distance are more than or equal to 2 millimeters.
It is impacted to optical fiber collimator it can be seen that sealing section casing in order to avoid sealing when being welded with external device,
Gold-plated sealing section casing and intercapillary distance are set greater than equal to 2 millimeters, ensure the performance of optical fiber collimator.
In further embodiment, gold-plated sealing section casing is cylindric, and the length of gold-plated sealing section casing is 10 millimeters, plating
The outer diameter of golden sealing section casing is 5 millimeters;The length of naked fibre part is 5 millimeters to 10 millimeters.
It can be seen that the naked fibre part of optical fiber is entirely located in gold-plated sealing section inside pipe casing, prevent optical fiber leakage in gold-plated
Casing makes performance be affected.
In further embodiment, the thickness for being covered in the first layer gold of naked fibre part is 0.3 micron to 0.5 micron.
It can be seen that in order to make optical fiber preferably and solder bonds, layer gold is covered in naked fibre part, improves the stabilization of welding
Property, to improve the stability of optical fiber seal section.
In further embodiment, the thickness for the second layer gold that the outer surface of gold-plated sealing section casing is covered is 0.3 micron
To 0.5 micron.
It can be seen that gold-plated in the outer surface of gold-plated sealing section casing so that gold-plated sealing section casing can and it is other
Solder is welded, it is further provided stable sealing effect.
In further embodiment, the thickness for the third layer gold that the outer surface of gold-plated collimator casing is covered is 0.3 micron
To 0.5 micron.
It can be seen that gold-plated in the outer surface of gold-plated collimator casing so that gold-plated sealing section casing can and it is other
Solder is welded, it is further provided stable connection effect.
In further embodiment, capillary is made of transparent glass.
It can be seen that capillary is made of transparent glass, the inner case of capillary is facilitated look at, convenient for tail
The adjusting of optical fiber is carried out when fibre is assembled.
In further embodiment, second side is in 8 degree of overturning angles relative to first side, and third side is relative to the first side
8 degrees angle polished male and female connector tilts.
It can be seen that second side and third side are in 8 degree of overturning angles, the route that light is propagated more, improves product
Performance.
In further embodiment, the end face for the second protection part being inserted into inside capillary is plated film end face.
It can be seen that the reflectivity of light can be improved using plated film end face, the performance of optical fiber collimator is improved.
Description of the drawings
Fig. 1 is the structure chart of the utility model optical fiber collimator embodiment.
Fig. 2 is the utility model optical fiber collimator example structure exploded view.
Fig. 3 is the structure sectional view of the utility model optical fiber collimator embodiment.
Fig. 4 is gold-plated sealing section casing and the structure section view after optical fiber installation in the utility model optical fiber collimator embodiment
Figure.
Fig. 5 is the structure sectional view of capillary in the utility model optical fiber collimator embodiment.
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Specific implementation mode
As shown in Figure 1, the optical fiber collimator of the utility model includes gold-plated collimator casing 1, tail optical fiber 2 and lens 3, tail
Fibre 2 and lens 3 are set in gold-plated collimator casing 1.Preferably, the outer surface of gold-plated collimator casing 1 is covered
Third layer gold(It is not shown)Thickness be 0.3 micron to 0.5 micron.
Referring to Fig. 2 and Fig. 3, tail optical fiber 2 includes gold-plated sealing section casing 4, optical fiber 5 and capillary 6, and optical fiber 5 penetrates gold-plated close
The endoporus of envelope section casing 4 is simultaneously inserted into capillary 6.The distance between gold-plated sealing section casing 4 and capillary 6 are more than or equal to 2 millis
Rice.Preferably, gold-plated sealing section casing 4 is cylindric, and the length of gold-plated sealing section casing 4 is 10 millimeters, gold-plated sealing section set
The outer diameter of pipe 4 is 5 millimeters.The second layer gold that the outer surface of gold-plated sealing section casing 4 is covered(It is not shown)Thickness be 0.3 micro-
Rice is to 0.5 micron.
Referring to Fig. 4, optical fiber 5 includes naked fibre part 51, and naked fibre part 51 is located at the centre of the endoporus of gold-plated sealing section casing 4
Position.The surface of naked fibre part 51 is covered with the first layer gold(It is not shown), the first layer gold passes through solder 7 and gold-plated sealing section casing
4 inner hole wall fixes welding.Preferably, solder 7 is lead metal solder, and the thickness for being covered in the first layer gold of naked fibre part 51 is
0.3 micron to 0.5 micron.The both ends of the naked fibre part 51 of optical fiber 5 are respectively arranged with the first protection part 52 and the second protection portion
Divide 53, the first protection part 52 and second protects part 53 to pass through glue 8 and gold-plated 4 fixed bonding of sealing section casing.Optical fiber 5
Second protection part 53 is inserted into inside capillary 6, and the second protection part 53 is fixedly connected with capillary 6 by glue 8.Glue 8
For ultraviolet glue.
Referring to Fig. 5, capillary 6 is provided with the first accommodating chamber 61 and the second accommodating chamber 62, and the first accommodating chamber 61 and second is held
Chamber 62 of receiving is connected, and the second protection part 62 is through the first accommodating chamber 61 and is inserted into the second accommodating chamber 62.First accommodating chamber 61
It is provided with opening, the internal diameter of the first accommodating chamber 61 is gradually reduced from opening 611 to 62 direction of the second accommodating chamber.Capillary 6 is also set
It is equipped with first side 63 and second side 64, first side 63 and second side 64 are disposed opposite to each other, and second side 64 is relative to
One side 63 is obliquely installed, and opening 611 is located at first side 63, is inserted into the end face of the second protection part 53 inside capillary 6
531 are in same plane with second side 64.Preferably, second side 64 is in 8 degree of overturning angles, end face relative to first side
531 be plated film end face, and capillary 6 is made of transparent glass.
As can be seen from Figure 3, lens 3 are provided with third side 31 and the 4th side 32, third side 31 and the 4th side
32 are disposed opposite to each other, and third side 31 is obliquely installed relative to first side 63, and the 4th side is spherical surface.Preferably, third side
31 relative to first side 63 be in 8 degree of overturning angles.Second side 64 is parallel with third side 31 and is oppositely arranged, the 4th side 32
Expose to gold-plated collimator casing 1.
It can be seen from the above, the optical fiber collimator of the utility model keeps optical fiber accurate by the way that optical fiber seal section is arranged on optical fiber
Straight device can be individually sealed after antithesis, when so that optical fiber collimator is had the function of sealing, while can reduce sealing
Since elevated-temperature seal influences coupling optical path.Moreover, optical fiber and gold-plated sealing section sleeve, solder difference is fixed using solder
It combines closely with optical fiber and gold-plated sealing section sleeve, improves the leakproofness of product.In addition, optical fiber collimator uses gold-plated sealing section
Sleeve and gold-plated collimator casing can be welded and fixed convenient for optical fiber collimator with external equipment, improve connective stability, together
When heat safe performance also can be improved.
It should be noted that these are only the preferred embodiment of the utility model, but the design concept of utility model is not
It is confined to this, all insubstantial modifications made to the utility model using this design also each fall within the protection of the utility model
Within the scope of.
Claims (9)
1. a kind of optical fiber collimator, which is characterized in that including gold-plated collimator casing, tail optical fiber and lens, the tail optical fiber and institute
Lens are stated to be set in the gold-plated collimator casing;
The tail optical fiber includes gold-plated sealing section casing, optical fiber and capillary;
The optical fiber includes naked fibre part, and the endoporus of the gold-plated sealing section casing, the naked fibre part are penetrated outside the optical fiber
Positioned at the centre position of the endoporus;
The surface of the naked fibre part is covered with the first layer gold, and first layer gold passes through solder and the gold-plated sealing section casing
Inner hole wall fix welding;
The both ends of the naked fibre part of the optical fiber be respectively arranged with the first protection part and second protection part, described first
Protection part and second protection part pass through glue and the gold-plated sealing section casing fixed bonding;
Inside capillary described in the second protection partial insertion of the optical fiber, second protection part and the capillary
It is fixedly connected by glue;
The capillary is provided with the first accommodating chamber and the second accommodating chamber, and first accommodating chamber is connected with second accommodating chamber
Logical, second protection part is through first accommodating chamber and is inserted into second accommodating chamber;
First accommodating chamber is provided with opening, and the internal diameter of first accommodating chamber is open from described to the second accommodating chamber side
To being gradually reduced;
The capillary is additionally provided with first side and second side, and the first side and the second side are disposed opposite to each other,
The second side is obliquely installed relative to the first side, and the opening is located at the first side, is inserted into the capillary
The end face of second protection part inside pipe is in same plane with the second side;
The lens are provided with third side and the 4th side, and the 4th side and the 4th side are disposed opposite to each other, described
Third side is obliquely installed relative to the first side, and the 4th side is spherical surface;
The second side is parallel with the third side and is oppositely arranged, and the 4th side open is in the gold-plated collimator
Casing.
2. optical fiber collimator according to claim 1, which is characterized in that
The gold-plated sealing section casing and the intercapillary distance are more than or equal to 2 millimeters.
3. optical fiber collimator according to claim 1 or 2, which is characterized in that
The gold-plated sealing section casing is cylindric, and the length of the gold-plated sealing section casing is 10 millimeters, the gold-plated sealing
The outer diameter for saving casing is 5 millimeters;
The length of the naked fibre part is 5 millimeters to 10 millimeters.
4. optical fiber collimator according to claim 1 or 2, which is characterized in that
The thickness for being covered in first layer gold of the naked fibre part is 0.3 micron to 0.5 micron.
5. optical fiber collimator according to claim 1 or 2, which is characterized in that
The thickness for the second layer gold that the outer surface of the gold-plated sealing section casing is covered is 0.3 micron to 0.5 micron.
6. optical fiber collimator according to claim 1 or 2, which is characterized in that
The thickness for the third layer gold that the outer surface of the gold-plated collimator casing is covered is 0.3 micron to 0.5 micron.
7. optical fiber collimator according to claim 1 or 2, which is characterized in that
The capillary is made of transparent glass.
8. optical fiber collimator according to claim 1 or 2, which is characterized in that
The second side is in 8 degree of overturning angles relative to the first side, and the third side is relative to the first side
In 8 degree of overturning angles.
9. optical fiber collimator according to claim 1 or 2, which is characterized in that
The end face for second protection part being inserted into inside the capillary is plated film end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483345.0U CN208000396U (en) | 2018-04-04 | 2018-04-04 | A kind of optical fiber collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820483345.0U CN208000396U (en) | 2018-04-04 | 2018-04-04 | A kind of optical fiber collimator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000396U true CN208000396U (en) | 2018-10-23 |
Family
ID=63840257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820483345.0U Active CN208000396U (en) | 2018-04-04 | 2018-04-04 | A kind of optical fiber collimator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000396U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814209A (en) * | 2019-03-21 | 2019-05-28 | 江苏光扬光电科技有限公司 | A kind of optical fiber collimator and its production technology |
| CN113204078A (en) * | 2020-05-29 | 2021-08-03 | 中山市美速光电技术有限公司 | Optical fiber collimator and manufacturing method thereof |
-
2018
- 2018-04-04 CN CN201820483345.0U patent/CN208000396U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109814209A (en) * | 2019-03-21 | 2019-05-28 | 江苏光扬光电科技有限公司 | A kind of optical fiber collimator and its production technology |
| CN113204078A (en) * | 2020-05-29 | 2021-08-03 | 中山市美速光电技术有限公司 | Optical fiber collimator and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20210072471A1 (en) | Hermetic optical fiber alignment assembly having integrated optical element | |
| US7189007B2 (en) | Termination for optic fiber | |
| CN208000396U (en) | A kind of optical fiber collimator | |
| CN102385123A (en) | Optical transmission module and method for manufacturing optical transmission module | |
| CN218182706U (en) | Semiconductor optical amplifier with double-lens structure | |
| CN211905787U (en) | Single-fiber bidirectional optical device structure | |
| CN207976611U (en) | A kind of tail optical fiber with sealing section | |
| CN105161975B (en) | All -fiber couples the small-sized on-plane surface single- frequency ring laser of level Hermetic Package | |
| CN104678517B (en) | A kind of integrated semiconductor optical device | |
| CN213336149U (en) | Photoelectric integrated device and optical fiber gyroscope | |
| JPS6311788B2 (en) | ||
| CN110908048B (en) | Tail fiber assembly and electro-optic modulator comprising same | |
| CN207976637U (en) | A kind of concentrator | |
| CN211123385U (en) | Tail fiber assembly and electro-optical modulator comprising same | |
| CN210072140U (en) | Optical fiber beam expanding contact element based on self-focusing lens | |
| CN204613454U (en) | The semiconductor optical device that based semiconductor laser instrument is integrated | |
| CN207133463U (en) | A kind of light-barrier type MEMS adjustable optical attenuators of compact high reliability | |
| CN216927293U (en) | High-stability optical rotation mirror | |
| CN111258000A (en) | Optical fiber F-P wavelength tunable filter and manufacturing process thereof | |
| CN206848542U (en) | Optical fiber seal section | |
| CN210199350U (en) | Optical device | |
| CN214845889U (en) | High-tolerance working distance type polarization maintaining optical fiber collimator | |
| CN217689507U (en) | High-airtightness optical fiber collimator and optical equipment | |
| CN210347986U (en) | Optical device | |
| CN217112795U (en) | Hermetically packaged lithium niobate optical device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |