CN107870394A - A kind of optical coupling structure - Google Patents
A kind of optical coupling structure Download PDFInfo
- Publication number
- CN107870394A CN107870394A CN201610854033.1A CN201610854033A CN107870394A CN 107870394 A CN107870394 A CN 107870394A CN 201610854033 A CN201610854033 A CN 201610854033A CN 107870394 A CN107870394 A CN 107870394A
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- China
- Prior art keywords
- optical fiber
- optical
- fiber
- low
- rectangle
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
Abstract
The present invention relates to optic communication device technical field, more particularly, to a kind of optical coupling structure, applied to optical fiber and optical waveguide coupled formation is integral, it includes some optical fiber, described some optical fiber one end assemble the optical fiber structure to form that cross section is rectangle, the optical fiber structure periphery is coupled with the low-index waveguides guide structure for fettering fiberoptic light transmission, the low-index waveguides guide structure is to be bonded in the low-refraction glue-line of optical fiber structure periphery or is the low refractive index coating coated in optical fiber structure periphery, some optical fiber other ends are distributed in plane wire or rectangle LD array distributions.The present invention is reasonable in design, simple in construction, makes simply, cost is cheap, and fiber coupling quantity is big, and coupled modes are flexible.
Description
Technical field
The present invention relates to optic communication device technical field, more particularly, to a kind of optical coupling structure.
Background technology
Fiber coupling is a major issue in optical integrated device encapsulation.In the prior art, low-index waveguide is usual
It is to realize that, such as two level low-index waveguide or polymer waveguide, these implementations exist using the film layer thickeied in fiber end face
Need to increase extra manufacture craft when making chip, the performance of other waveguides may be influenceed, finally bring chip yields
Reduce.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of reasonable in design, simple in construction, making letter
Easily, cost is cheap, and fiber coupling quantity is big, the flexible optical coupling structure of coupled modes.
To achieve the above object, the present invention uses following technical scheme：
A kind of optical coupling structure, applied to by optical fiber and it is optical waveguide coupled formed one, it includes some optical fiber, if described
Dry root optical fiber one end assembles the optical fiber structure to form that cross section is rectangle, and the optical fiber structure periphery is coupled with for fettering optical fiber
The low-index waveguides guide structure of optical transport, the low-index waveguides guide structure are the low refraction for being bonded in optical fiber structure periphery
Rate glue-line is the low refractive index coating coated in optical fiber structure periphery, and some optical fiber other ends are in plane wire point
Cloth or rectangle LD array distributions.
Some optical fiber is to use ultra-thin glass piece to process or directly draw to form centreless of the cross section for rectangle
Optical fiber.The design makes its mould to can tolerate certain bending.
Some optical fiber is to polish to form the approximate rectangular coreless fiber in cross section or have using circular fiber both sides
Core fibre.The design makes it in polishing operation, and the side of more circular fibers can be bonded and fixed on a flat board simultaneously,
Then the more relative opposite sides of circular fiber are polished simultaneously, after the completion of opposite side polishing, then simultaneously by more circular fibers
Opposite side be bonded and fixed on a flat board, then the sides of more circular fibers is polished simultaneously, this kind of production method
Simple and easy, polishing efficiency is high, greatly reduces production cost；In addition, there is core circular fiber using common and have to polish to be made
Core fibre, it can effectively prevent that chipping or turned-down edge phenomenon, effect are more preferable.
Some optical fiber is to use circular fiber heating compacting to form cross section as the coreless fiber of rectangle or have core
Optical fiber.The design makes it using more than two pieces of optical flat that circular fiber heating compacting is rectangular, have make it is simple, into
The advantages that this is cheap.
Some optical fiber is to heat compacting using circle coreless fiber to form one end in straight quadrangular shape and another
End is in the coreless fiber of frustum shape.The design makes it be pressed into circular fiber heating using more than two pieces of optical wedge gusset
Type, have the advantages that making is simple, cost is cheap, be particularly suitable for use in Raman spectrum probe and use.
The refractive index of the low-index waveguides guide structure is less than 1.4.
The present invention uses above technical scheme, and described some optical fiber one end assemble the optical fiber knot to form that cross section is rectangle
Structure, the optical fiber structure periphery are coupled with the low-index waveguides guide structure for fettering fiberoptic light transmission, to form total reflection,
Transmitted so as to realize that the light of its passage is brought together and form rectangular light spot by some optical fiber, not only realize power
N times of increase, but also the shaping of hot spot has been carried out, meanwhile, it, which has, makes simple, cost is cheap, fiber coupling quantity is big etc.
Advantage.The present invention is reasonable in design, simple in construction, makes simply, cost is cheap, and fiber coupling quantity is big, and coupled modes are flexible.
Brief description of the drawings
The present invention is described in further details below in conjunction with the drawings and specific embodiments：
Fig. 1 is a kind of structural representation of optical coupling structure of the present invention；
Fig. 2 is another structural representation of optical coupling structure of the present invention；
Fig. 3 is the cross-sectional view of the optical fiber of the embodiment of the present invention 1；
Fig. 4 is the cross-sectional view of the optical fiber of the embodiment of the present invention 2；
Fig. 5 is the cross-sectional view of the optical fiber of the embodiment of the present invention 3；
Fig. 6 is one of cross-sectional view of the optical fiber of the embodiment of the present invention 4；
Fig. 7 is the two of the cross-sectional view of the optical fiber of the embodiment of the present invention 4.
Embodiment
With reference to embodiment, the present invention is further detailed explanation：
As shown in figure 1, a kind of structure as optical coupling structure of the present invention, it is applied to optical fiber and optical waveguide coupled formation
One, it includes some optical fiber 1, and described some optical fiber 1 one end assembles the optical fiber structure to form that cross section is rectangle, described
Optical fiber structure periphery is coupled with the low-index waveguides guide structure 2 for fettering fiberoptic light transmission, and the low-index waveguides are led
Structure 2 is to be bonded in the low-refraction glue-line of optical fiber structure periphery or applied for the low-refraction coated in optical fiber structure periphery
Layer, some optical fiber 1 other end are distributed in plane wire.
The refractive index of the low-index waveguides guide structure 2 is less than 1.4.
As shown in Fig. 2 another structure as optical coupling structure of the present invention, it is applied to optical fiber and fiber waveguide coupling
Close and form one, it includes some optical fiber 1, and described some optical fiber 1 one end assembles the optical fiber knot to form that cross section is rectangle
Structure, the optical fiber structure periphery are coupled with the low-index waveguides guide structure 2 for fettering fiberoptic light transmission, the low-refraction
Optical waveguide structure 2 is to be bonded in the low-refraction glue-line of optical fiber structure periphery or is the low refraction coated in optical fiber structure periphery
Rate coating, the rectangular LD array distributions of some optical fiber 1 other end.
The refractive index of the low-index waveguides guide structure 2 is less than 1.4.
Embodiment 1
As shown in figure 3, some optical fiber 1 is the coreless fiber that shaping is processed or directly drawn using ultra-thin glass piece 31
11, the coreless fiber cross section is defined the approximate rectangular of rectangle or arc transition.The design makes its mould certain to that can tolerate
Bending.
Embodiment 2
As shown in figure 4, some optical fiber 1 is to polish to form the approximate rectangular centreless in cross section using the both sides of circular fiber 32
Optical fiber has core fibre 12.The design makes it in polishing operation, simultaneously can be bonded and fixed at the side of more circular fibers
On one flat board, then the more relative opposite sides of circular fiber are polished simultaneously, after the completion of opposite side polishing, then simultaneously will
The opposite side of more circular fibers is bonded and fixed on a flat board, and then the side of more circular fibers is polished simultaneously, should
Kind production method is simple and easy, and polishing efficiency is high, greatly reduces production cost；In addition, using it is common have core circular fiber come
Polishing, which is made, core fibre, can effectively prevent that chipping or turned-down edge phenomenon, effect are more preferable.
Embodiment 3
As shown in figure 5, some optical fiber 1 is to use the heating compacting of circular fiber 33 to form centreless light of the cross section for rectangle
Fibre 13 has core fibre.The design makes it using more than two pieces of optical flat that circular fiber heating compacting is rectangular, has
Make the advantages that simple, cost is cheap.
Embodiment 4
As shown in Fig. 6 or Fig. 7, some optical fiber 1 is to heat compacting using circle coreless fiber 34 to form one end in straight
Quadrangular shape and the other end are in the coreless fiber 35 of frustum shape.The design makes its optical wedge gusset using more than two pieces
Circular fiber is heated compressing, have the advantages that to make that simple, cost is cheap, being particularly suitable for use in Raman spectrum probe makes
With.
The present invention uses above technical scheme, and described some optical fiber one end assemble the optical fiber knot to form that cross section is rectangle
Structure, the optical fiber structure periphery are coupled with the low-index waveguides guide structure for fettering fiberoptic light transmission, to form total reflection,
Transmitted so as to realize that the light of its passage is brought together and form rectangular light spot by some optical fiber, not only realize power
N times of increase, but also the shaping of hot spot has been carried out, meanwhile, it, which has, makes simple, cost is cheap, fiber coupling quantity is big etc.
Advantage.
Above description should not have any restriction to protection scope of the present invention.
Claims (6)
- A kind of 1. optical coupling structure, applied to optical fiber and optical waveguide coupled formation is integral, it is characterised in that：It includes some Root optical fiber, described some optical fiber one end assemble the optical fiber structure to form that cross section is rectangle, the optical fiber structure periphery coupling There is the low-index waveguides guide structure for fettering fiberoptic light transmission, the low-index waveguides guide structure is to be bonded in optical fiber knot The low-refraction glue-line of structure periphery is the low refractive index coating coated in optical fiber structure periphery, and some optical fiber is another End is in the distribution of plane wire or rectangle LD array distributions.
- A kind of 2. optical coupling structure according to claim 1, it is characterised in that：Some optical fiber is using super The coreless fiber for forming that cross section is rectangle is processed or directly drawn to thin glass sheet.
- A kind of 3. optical coupling structure according to claim 1, it is characterised in that：Some optical fiber is using circle Optical fiber both sides polish to form the approximate rectangular coreless fiber in cross section or have core fibre.
- A kind of 4. optical coupling structure according to claim 1, it is characterised in that：Some optical fiber is using circle Optical fiber heating compacting forms the coreless fiber or have core fibre that cross section is rectangle.
- A kind of 5. optical coupling structure according to claim 1, it is characterised in that：Some optical fiber is using circle Coreless fiber heating compacting forms the coreless fiber that one end is in frustum shape in straight quadrangular shape and the other end.
- A kind of 6. optical coupling structure according to claim 1, it is characterised in that：The low-index waveguides guide structure Refractive index is less than 1.4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854033.1A CN107870394A (en) | 2016-09-27 | 2016-09-27 | A kind of optical coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610854033.1A CN107870394A (en) | 2016-09-27 | 2016-09-27 | A kind of optical coupling structure |
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| Publication Number | Publication Date |
|---|---|
| CN107870394A true CN107870394A (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610854033.1A Pending CN107870394A (en) | 2016-09-27 | 2016-09-27 | A kind of optical coupling structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114292019A (en) * | 2021-12-14 | 2022-04-08 | 武汉长盈通光电技术股份有限公司 | Passive matching laser fiber core rod and preparation device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3837727A (en) * | 1960-07-19 | 1974-09-24 | American Optical Corp | Multifiber optical components |
| JPS60230607A (en) * | 1984-05-01 | 1985-11-16 | Sumitomo Electric Ind Ltd | Connector for multicored optical fiber |
| WO2005052640A2 (en) * | 2003-11-13 | 2005-06-09 | Imra America, Inc. | Optical fiber pump multiplexer |
| CN102636840A (en) * | 2011-02-12 | 2012-08-15 | 莱特尔科技（深圳）有限公司 | Optical fiber powder combiner and laser processing system |
| CN102736170A (en) * | 2012-06-08 | 2012-10-17 | 广州宏晟光电科技有限公司 | Optical fiber image transmission element with square optical fiber structure |
| US20160245992A1 (en) * | 2015-02-20 | 2016-08-25 | Fujikura Ltd. | Optical device |
-
2016
- 2016-09-27 CN CN201610854033.1A patent/CN107870394A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3837727A (en) * | 1960-07-19 | 1974-09-24 | American Optical Corp | Multifiber optical components |
| JPS60230607A (en) * | 1984-05-01 | 1985-11-16 | Sumitomo Electric Ind Ltd | Connector for multicored optical fiber |
| WO2005052640A2 (en) * | 2003-11-13 | 2005-06-09 | Imra America, Inc. | Optical fiber pump multiplexer |
| CN102636840A (en) * | 2011-02-12 | 2012-08-15 | 莱特尔科技（深圳）有限公司 | Optical fiber powder combiner and laser processing system |
| CN102736170A (en) * | 2012-06-08 | 2012-10-17 | 广州宏晟光电科技有限公司 | Optical fiber image transmission element with square optical fiber structure |
| US20160245992A1 (en) * | 2015-02-20 | 2016-08-25 | Fujikura Ltd. | Optical device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114292019A (en) * | 2021-12-14 | 2022-04-08 | 武汉长盈通光电技术股份有限公司 | Passive matching laser fiber core rod and preparation device |
| CN114292019B (en) * | 2021-12-14 | 2022-09-16 | 武汉长盈通光电技术股份有限公司 | Passive matching laser fiber core rod preparation device |
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Application publication date: 20180403 |