CN110632711A - Optical fiber module - Google Patents
Optical fiber module Download PDFInfo
- Publication number
- CN110632711A CN110632711A CN201810645843.5A CN201810645843A CN110632711A CN 110632711 A CN110632711 A CN 110632711A CN 201810645843 A CN201810645843 A CN 201810645843A CN 110632711 A CN110632711 A CN 110632711A
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- China
- Prior art keywords
- light
- circuit board
- fiber optic
- optic module
- reflection
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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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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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
-
- 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
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to an optical fiber module, which comprises: a circuit board, an optoelectronic device set, a control device set, a main body and a light conduction set. The photoelectric element group, the control element group and the body are arranged on the circuit board, one surface of the body is concavely provided with a first accommodating groove, the other surface of the body is provided with a second accommodating groove, the photoelectric element group is accommodated in the second accommodating groove, the body is concavely provided with a first reflection part at the first accommodating groove towards one surface of the circuit board, the body is protruded at the second accommodating groove towards one surface of the circuit board to form a lens group, one side of the body is provided with an optical fiber guide hole, and one side of the second accommodating groove is concavely provided with a second reflection part. The light transmission group is arranged in the first containing groove of the body, a light penetrating surface is formed on one surface of the light transmission group facing the first reflection part, a total reflection surface is formed on one surface of the light transmission group far away from the light penetrating surface, and the total reflection surface is used for refracting light to the second reflection part or refracting light to the total reflection surface by the second reflection part.
Description
Technical Field
The present invention relates to optical fiber modules, and particularly to an optical fiber module with light splitting and condensing functions.
Background
For example, in the optical fiber connector shown in US6941047, a plurality of thin film filters (200a-200d) are attached to one surface of a glass block, the thin film filters respectively correspond to a plurality of prisms (230), and light enters the glass block through the outside, is reflected by the thin film filters for a plurality of times and then passes through the prisms, but because the prisms and the thin film filters are not tightly attached to each other, a gap is formed, so that energy loss is easily caused by light beams passing through multiple media during transmission, and because the angles of the prisms are fixed, the refraction amounts of light beams with different wavelengths are different when the light beams pass through the prisms, thereby increasing the energy loss of the light beams.
Disclosure of Invention
The present invention is improved in view of the fact that the optical fiber module still has the defect of excessive energy consumption in practical use.
The primary objective of the present invention is to provide a fiber optic module with low loss energy.
In order to achieve the above-mentioned objective, the present invention provides an optical fiber module, which includes a circuit board, an optoelectronic device assembly, a control device assembly, a main body, and a light guide assembly. The photoelectric element is arranged on the circuit board, the control element is arranged on one side of the circuit board and is used for controlling the photoelectric element group, the body is arranged on the circuit board and is positioned on the same side as the photoelectric element group, a first accommodating groove is formed on one side of the body opposite to the photoelectric element group, a second accommodating groove is formed on the other side of the body, the photoelectric element group is accommodated in the second accommodating groove, a first reflecting part is concavely arranged on one side of the body, which faces the circuit board, in the first accommodating groove, a lens group is convexly formed on one side of the body, which faces the circuit board, the lens group is aligned with the first reflecting part, an optical fiber guide hole is formed on one side of the body, a converging lens is convexly formed on the inner bottom surface of the optical fiber guide hole, a second reflecting part is concavely arranged on one side, which is positioned in the second accommodating groove and is adjacent to the converging lens, a second reflecting, the light conduction group is arranged in the first containing groove of the body, a light penetrating surface is formed on one surface of the light conduction group facing the first reflection part, the light penetrating surface corresponds to the first reflection part of the body, and a total reflection surface is formed on one surface of the light conduction group far away from the light penetrating surface so that the total reflection surface can be used for refracting light to the second reflection surface or refracting light from the second reflection surface to the total reflection surface.
In an embodiment of the invention, in the optical fiber module, the first reflective portion is formed with a plurality of first reflective regions, each of the first reflective regions is formed with an inverted triangle in cross section, and each of the first reflective regions is formed with a first reflective surface on one side.
In an embodiment of the invention, in the optical fiber module, the second reflection surface of the second reflection portion is inclined.
In an embodiment of the invention, in the optical fiber module, the light-conducting set further includes a plurality of light-conducting members.
In an embodiment of the invention, in the optical fiber module, the penetrating surface of each light transmitting element can be penetrated by light with different wavelengths.
In an embodiment of the invention, in the optical fiber module, the light-transmitting member is a filter.
In an embodiment of the invention, in the optical fiber module, the optoelectronic device group further includes a plurality of optoelectronic devices.
In an embodiment of the invention, in the optical fiber module, the optoelectronic devices are light emitting devices, respectively.
In an embodiment of the invention, in the optical fiber module, the light emitting device is an edge-emitting laser device or an edge-emitting laser device.
In an embodiment of the invention, in the optical fiber module, the optoelectronic device is a light detecting device.
The invention has the beneficial effects that:
the invention provides an optical fiber module, which has light splitting and condensing functions and can reduce energy loss of light beams.
Drawings
FIG. 1 is a schematic perspective exploded view of an optical fiber module according to the present invention.
FIG. 2 is a schematic perspective cross-sectional view of a fiber module according to the present invention.
FIG. 3 is an exploded cross-sectional view of a fiber module according to the present invention.
FIG. 4 is a diagram of an optical path of a fiber module according to a first usage state of the present invention.
FIG. 5 is a diagram of an optical path of a fiber module according to a second use state of the present invention.
Drawings
1: an optical fiber module; 10: a circuit board; 20: a control element group; 201-204: a control element; 30: a group of photoelectric elements; 301-304: a light emitter; 301 'to 304': a photodetector; 40: a body; 41: a first accommodating groove; 42: a second accommodating groove; 43: a first reflection section; 431 to 434: a first reflective region; 441-444: a first reflective surface; 45: a lens group; 451-454: a lens; 46: an optical fiber guide hole; 47: a converging lens; 48: a second reflection section; 481: a second reflective surface; 50: a light-conductive set; 501-505: a light-transmitting member; 511-515: a penetration surface; 521-525: a total reflection surface; 60: an optical fiber; l, L': polymerizing the light; L1-L4, L1 '-L4': light of different wavelengths.
Detailed Description
Referring to fig. 1 to 3, a first embodiment of a fiber optic module 1 according to the present invention includes: a circuit board 10, a control component group 20, an optoelectronic component group 30, a main body 40 and a light conduction group 50.
The circuit board is provided with a control element group 20 and an optoelectronic element group 30, the control element group 20 is used for controlling the optoelectronic element group 30, in the embodiment, the control element group 20 has 4 control elements 201-204, the optoelectronic element group 30 is 4 optoelectronic elements, in the embodiment, the optoelectronic elements are light emitting elements, the light emitters are selected, the 4 light emitters are light emitters 301-304, the light emitters 301-304 can be laser light, light emitting diodes and the like, but are not limited thereto, and the light emitters 301-304 can provide light beams L1-L4 with different wavelengths.
The body 40 is disposed on the circuit board 10 and located on the same side as the optical electrical element group 30, in this embodiment, a first receiving slot 41 is formed on a side of the body 40 opposite to the optical electrical element group 30, a second receiving slot 42 is formed on the other side, the optical electrical element group 30 and the control element group 20 are received in the second receiving slot 42, a first reflection portion 43 is recessed in the first receiving slot 41 toward the circuit board 10, as shown in the drawing, the first reflection portion 43 is formed with 4 first reflection areas 431 to 434, each of the first reflection areas 431 to 434 is formed with an inverted triangle shape on the cross section, each of the first reflection areas 431 to 434 is formed with a first reflection surface 441 to 444 on one side, and each of the first reflection surfaces 441 to 444 corresponds to the light emitters 301 to 304; the body 40 is formed with a lens set 45 protruding from the second receiving groove 42 toward the circuit board 10, in this embodiment, the lens set 45 includes lenses 451-4544, each of the lenses 451-454 is aligned with the corresponding first reflective surface 441-444, each of the lenses 451-454 can be a collimating lens, the body 40 is formed with a fiber guiding hole 46 at one side, the fiber guiding hole 46 can be penetrated by an external optical fiber 60, the body 40 is formed with a converging lens 47 protruding from the inner bottom surface of the fiber guiding hole 46, the body 40 is provided with a second reflective portion 48 at the second receiving groove 42 and adjacent to one side of the converging lens 47, and the second reflective portion 48 is formed with an inclined second reflective surface 481 facing the first receiving groove 41.
The light conduction assembly 50 is disposed in the first receiving cavity 41 of the body, the light conduction assembly 50 includes a plurality of light conduction members, in this embodiment, the light conduction assembly 50 includes 5 light conduction members 501 to 505, a penetrating surface 511 to 515 is formed on one surface of the light conduction members 501 to 505 facing the optoelectronic device assembly 30, the penetrating surface 511 to 514 can filter light with different wavelengths, so that light with specific wavelength enters or exits, a total reflection surface 521 to 525 is formed on one surface of the light conduction members 501 to 505 different from the penetrating surface 511 to 515, the total reflection surface 521 to 525 is used to reflect light entering the light conduction assembly 50, wherein the light conduction members 501 to 505 are filters.
When light is transmitted, as shown in fig. 4, light L1-L4 with different wavelengths is emitted from different light emitters 301-304, collimated by collimating lenses 451-454, refracted by first reflecting surfaces 441-444 of first reflecting regions 431-434, and then enters the inside of light-transmitting members 501-505, light L1-L4 respectively enters the inside of light-transmitting members 501-504, and then reflected by total reflecting surfaces 521-525, light L1-L4 with different wavelengths passes through light-transmitting member 505 to form a converged light L, and the converged light L is refracted by a second reflecting surface 481 of a second reflecting portion 48, collimated by a converging lens 47, and then passes through a fiber guide hole 46 to enter an optical fiber 60.
Referring to fig. 5, another embodiment of the fiber optic module 1 of the present invention is shown, in which most of the structure is similar to that of the first embodiment, and the second embodiment uses the same element names and reference numerals as the first embodiment. The difference is that the photoelectric element in the photoelectric element group 30 is a photo-detection element, and photo-detectors are selected, and the photo-detectors 301 'to 304' are used to detect the intensity of the light outputted through the photo-conductors 501 to 504.
When light is transmitted, the light L ' is emitted from the optical fiber 60, passes through the converging lens 47, is refracted by the second reflecting surface 481 of the second reflecting part 48, and then enters the light transmission group 50 through the light transmission member 505, the light L ' is reflected by the total reflecting surfaces 525 to 521 of the light transmission members 505 to 501 inside the light transmission group 50, the light L1 ' to L4 ' with different wavelengths in the converging light L ' respectively passes through the penetrating surfaces 514 to 511, and the light L1 ' to L4 ' is converged by the lenses 454 to 451 and then respectively irradiates the light detectors 304 ' to 301 ', so that the intensities of the light L1 ' to L4 ' with different wavelengths can be detected.
The present invention has been described in terms of the above embodiments and variations, all of which are exemplary only, and various modifications of the fiber optic module incorporating the above features are intended to be covered by the present invention based on the spirit and scope of the invention.
Claims (10)
1. A fiber optic module, comprising:
a circuit board;
a photoelectric element group, which is configured on the circuit board;
a control element set, which is configured on one side of the circuit board and is used for controlling the photoelectric element set;
a body, the body is disposed on the circuit board and located on the same side as the optoelectronic device group, a first receiving groove is formed on one side of the body opposite to the optoelectronic device group, a second receiving groove is formed on the other side of the body, the optoelectronic device group is received in the second receiving groove, a first reflection portion is concavely formed on the first receiving groove towards one side of the circuit board, a lens set is formed on the second receiving groove towards one side of the circuit board, the lens set is aligned with the first reflection portion, an optical fiber guide hole is formed on one side of the body, a convergent lens is convexly formed on the inner bottom surface of the optical fiber guide hole, a second reflection portion is concavely formed on one side of the body located in the second receiving groove and adjacent to the convergent lens, a second reflection surface is formed on the second reflection portion, and the convergent lens corresponds to the second reflection surface; and
the light transmission group is arranged in the first accommodating groove of the body, a light penetrating surface is formed on one surface of the light transmission group facing the first reflection part, the light penetrating surface corresponds to the first reflection part of the body, a total reflection surface is formed on one surface of the light transmission group far away from the light penetrating surface, and the total reflection surface is used for refracting light to the second reflection surface or refracting light to the total reflection surface by the second reflection surface.
2. The fiber optic module of claim 1, wherein the first reflective portion has a plurality of first reflective regions, the first reflective regions each having an inverted triangle shape in cross section, the first reflective regions each having a first reflective surface on one side.
3. The fiber optic module of claim 1, wherein the second reflective surface of the second reflective portion is slanted.
4. The fiber optic module of claim 1, wherein the light conducting set further comprises a plurality of light conducting members.
5. The fiber optic module of claim 4, wherein the transmissive surfaces of the light transmissive members are transmissive to light of different wavelengths.
6. The fiber optic module of claim 5, wherein the light transmitting element is a filter.
7. The fiber optic module of claim 1, wherein the set of optoelectronic devices further comprises a plurality of optoelectronic devices.
8. The fiber optic module of claim 7, wherein each of the optoelectronic devices is a light emitting device.
9. The fiber optic module of claim 8, wherein the light emitting elements are edge emitting laser elements or face emitting laser elements.
10. The fiber optic module of claim 7, wherein the optoelectronic devices are photo-detecting devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645843.5A CN110632711B (en) | 2018-06-21 | 2018-06-21 | Optical fiber module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645843.5A CN110632711B (en) | 2018-06-21 | 2018-06-21 | Optical fiber module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110632711A true CN110632711A (en) | 2019-12-31 |
| CN110632711B CN110632711B (en) | 2021-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810645843.5A Active CN110632711B (en) | 2018-06-21 | 2018-06-21 | Optical fiber module |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6751379B2 (en) * | 2000-11-01 | 2004-06-15 | Intel Corporation | System and method for collimating and redirecting beams in a fiber optic system |
| CN102023336A (en) * | 2009-09-15 | 2011-04-20 | 日东电工株式会社 | Optical waveguide with light-emitting element and optical touch panel with the same |
| TW201447410A (en) * | 2013-06-14 | 2014-12-16 | Hon Hai Prec Ind Co Ltd | Optical fiber coupling connector |
| US9195017B2 (en) * | 2013-04-01 | 2015-11-24 | Delta Electronics, Inc. | Optical module and optical transceiver module |
| US9692516B2 (en) * | 2015-04-28 | 2017-06-27 | Huawei Technologies Co., Ltd. | Optical transceiver and optical communications product |
| US9841564B1 (en) * | 2017-02-24 | 2017-12-12 | Hon Hai Precision Industry Co., Ltd. | Wavelength division multiplexing device |
| JP2018085397A (en) * | 2016-11-22 | 2018-05-31 | 株式会社フジクラ | Optical module |
| CN208421319U (en) * | 2018-06-21 | 2019-01-22 | 禾橙科技股份有限公司 | Optical fiber mode group |
-
2018
- 2018-06-21 CN CN201810645843.5A patent/CN110632711B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6751379B2 (en) * | 2000-11-01 | 2004-06-15 | Intel Corporation | System and method for collimating and redirecting beams in a fiber optic system |
| US6941047B2 (en) * | 2000-11-01 | 2005-09-06 | Intel Corporation | System and method for collimating and redirecting beams in a fiber optic system |
| CN102023336A (en) * | 2009-09-15 | 2011-04-20 | 日东电工株式会社 | Optical waveguide with light-emitting element and optical touch panel with the same |
| US9195017B2 (en) * | 2013-04-01 | 2015-11-24 | Delta Electronics, Inc. | Optical module and optical transceiver module |
| TW201447410A (en) * | 2013-06-14 | 2014-12-16 | Hon Hai Prec Ind Co Ltd | Optical fiber coupling connector |
| US9692516B2 (en) * | 2015-04-28 | 2017-06-27 | Huawei Technologies Co., Ltd. | Optical transceiver and optical communications product |
| JP2018085397A (en) * | 2016-11-22 | 2018-05-31 | 株式会社フジクラ | Optical module |
| US9841564B1 (en) * | 2017-02-24 | 2017-12-12 | Hon Hai Precision Industry Co., Ltd. | Wavelength division multiplexing device |
| CN208421319U (en) * | 2018-06-21 | 2019-01-22 | 禾橙科技股份有限公司 | Optical fiber mode group |
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| Publication number | Publication date |
|---|---|
| CN110632711B (en) | 2021-08-06 |
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