CN104375244A - Optical communication module - Google Patents
Optical communication module Download PDFInfo
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- CN104375244A CN104375244A CN201310357781.5A CN201310357781A CN104375244A CN 104375244 A CN104375244 A CN 104375244A CN 201310357781 A CN201310357781 A CN 201310357781A CN 104375244 A CN104375244 A CN 104375244A
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- lens
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- optical fiber
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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
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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
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
一种光通讯模组,包括第一光纤、第二光纤、发光单元、光接收单元和透镜单元,第一光纤和第二光纤位于透镜单元的相对两侧,第一光纤输入的光讯号经透镜单元后被光接收单元接收,发光单元发出的光讯号经透镜单元后经第二光纤出射,透镜单元包括第一入射面、第一出射面、第一反射面、第二入射面、第二出射面和第二反射面,第一入射面和第一出射面垂直相交且与第一反射面之间具有45度夹角,第二入射面和第二出射面垂直相交且与第二反射面之间具有45度夹角,第一反射面和第二反射面垂直相交,第一入射面和第二出射面位于同一个表面上。
An optical communication module, comprising a first optical fiber, a second optical fiber, a light emitting unit, a light receiving unit and a lens unit, the first optical fiber and the second optical fiber are located on opposite sides of the lens unit, the optical signal input by the first optical fiber passes through the lens The unit is then received by the light-receiving unit, and the light signal emitted by the light-emitting unit passes through the lens unit and then exits through the second optical fiber. The lens unit includes a first incident surface, a first exit surface, a first reflection surface, a second incident surface, and a second exit surface. surface and the second reflective surface, the first incident surface and the first exit surface perpendicularly intersect and have an angle of 45 degrees with the first reflective surface, the second incident surface and the second exit surface perpendicularly intersect and intersect with the second reflective surface There is an included angle of 45 degrees between them, the first reflective surface and the second reflective surface intersect perpendicularly, and the first incident surface and the second outgoing surface are located on the same surface.
Description
技术领域 technical field
本发明涉及一种光通讯模组。 The invention relates to an optical communication module.
背景技术 Background technique
传统之光通讯模组包括光纤(入射光纤和出射光纤)、光发射单元、光耦合透镜和光接收单元,光耦合透镜用来使光讯号在光纤与光反射单元或光接收单元之间进行耦合。 A traditional optical communication module includes an optical fiber (incoming optical fiber and an outgoing optical fiber), a light emitting unit, an optical coupling lens, and a light receiving unit. The optical coupling lens is used to couple optical signals between the optical fiber and the light reflecting unit or light receiving unit.
而光耦合透镜一般在相邻的两个表面上设置均设置入射透镜和出射透镜,以使光讯号在光纤与光反射单元或光接收单元之间进行耦合,而入射光纤和出射光纤则位于耦合透镜的同一侧。 The optical coupling lens is generally provided with an incident lens and an exit lens on two adjacent surfaces, so that the optical signal is coupled between the optical fiber and the light reflection unit or light receiving unit, while the incident optical fiber and the outgoing optical fiber are located at the coupling same side of the lens.
发明内容 Contents of the invention
有鉴于此,有必要提供一种第一光纤和第二光纤位于透镜单元不同侧的光通讯模组。 In view of this, it is necessary to provide an optical communication module in which the first optical fiber and the second optical fiber are located on different sides of the lens unit.
一种光通讯模组,包括第一光纤、第二光纤、发光单元、光接收单元和透镜单元,所述第一光纤和第二光纤位于所述透镜单元的相对两侧所述第一光纤输入的光讯号经所述透镜单元后被所述光接收单元接收,所述发光单元发出的光讯号经所述透镜单元后经所述第二光纤出射,所述透镜单元包括第一入射面、第一出射面、第一反射面、第二入射面、第二出射面和第二反射面,所述第一入射面和第一出射面垂直相交且与所述第一反射面之间具有45度夹角,所述第二入射面和第二出射面垂直相交且与所述第二反射面之间具有45度夹角,所述第一反射面和第二反射面垂直相交,所述第一入射面和第二出射面位于同一个表面上,所述第一出射面和第一入射面平行且分别位于所述第一入射面的两侧。 An optical communication module, comprising a first optical fiber, a second optical fiber, a light emitting unit, a light receiving unit and a lens unit, the first optical fiber and the second optical fiber are located on opposite sides of the lens unit, the first optical fiber input The light signal of the light is received by the light receiving unit after passing through the lens unit, and the light signal emitted by the light emitting unit is emitted through the second optical fiber after passing through the lens unit, and the lens unit includes a first incident surface, a second An exit surface, a first reflective surface, a second incident surface, a second exit surface and a second reflective surface, the first incident surface and the first exit surface perpendicularly intersect and have a 45-degree distance from the first reflective surface The included angle, the second incident surface and the second outgoing surface perpendicularly intersect and have an included angle of 45 degrees with the second reflective surface, the first reflective surface and the second reflective surface perpendicularly intersect, and the first The incident surface and the second outgoing surface are located on the same surface, and the first outgoing surface and the first incident surface are parallel and respectively located on two sides of the first incident surface.
相较于先前技术,本发明实施例透镜单元具有垂直相交的第一反射面和第二反射面,可以将光反射至不同的方向,同时也可以将来自不同方向的光反射至同一个方向,从而可使得第一光纤和第二光纤位于透镜单元的相对两侧。 Compared with the prior art, the lens unit of the embodiment of the present invention has a first reflective surface and a second reflective surface that intersect vertically, which can reflect light to different directions, and can also reflect light from different directions to the same direction at the same time. Thus, the first optical fiber and the second optical fiber can be located on opposite sides of the lens unit.
附图说明 Description of drawings
图1为本发明实施例光通讯模组的示意图。 FIG. 1 is a schematic diagram of an optical communication module according to an embodiment of the present invention.
图2是图1的分解图。 FIG. 2 is an exploded view of FIG. 1 .
图3是图1的另一角度的分解图。 FIG. 3 is an exploded view from another angle of FIG. 1 .
图4是图1中IV-IV线的截面示意图。 Fig. 4 is a schematic cross-sectional view of line IV-IV in Fig. 1 .
图5是图1中V-V线的截面示意图。 Fig. 5 is a schematic cross-sectional view of line V-V in Fig. 1 .
主要元件符号说明 Description of main component symbols
如下具体实施方式将结合上述附图进一步说明本发明。 The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.
具体实施方式 Detailed ways
请参阅图1、图2及图3,本发明实施例的光通讯模组10包括透镜单元11、电路板12、处理单元13、发光单元14、光接收单元15、第二光纤16和第一光纤17。 Referring to Fig. 1, Fig. 2 and Fig. 3, the optical communication module 10 of the embodiment of the present invention includes a lens unit 11, a circuit board 12, a processing unit 13, a light emitting unit 14, a light receiving unit 15, a second optical fiber 16 and a first Fiber 17.
其中,处理单元13、发光单元14和光接收单元15电性设置在电路板12上且处理单元13电性连接发光单元14和光接收单元15以控制工作状态,第二光纤16和第一光纤17位于透镜单元11的相对两侧。 Wherein, the processing unit 13, the light emitting unit 14 and the light receiving unit 15 are electrically arranged on the circuit board 12 and the processing unit 13 is electrically connected to the light emitting unit 14 and the light receiving unit 15 to control the working state, the second optical fiber 16 and the first optical fiber 17 are located opposite sides of the lens unit 11.
发光单元14发出的光经过透镜单元11后进入第二光纤16进行传输,第一光纤17传输的光经过透镜单元11后被光接收单元15所接收。 The light emitted by the light emitting unit 14 passes through the lens unit 11 and enters the second optical fiber 16 for transmission, and the light transmitted by the first optical fiber 17 passes through the lens unit 11 and is received by the light receiving unit 15 .
电路板12可以为硬板或软板,发光单元14可以为发光二极管(LED)或激光二极管(LD),光接收单元15为光电检测器(PD)。 The circuit board 12 can be a hard board or a soft board, the light emitting unit 14 can be a light emitting diode (LED) or a laser diode (LD), and the light receiving unit 15 is a photodetector (PD).
请一并参阅图4及图5,透镜单元11具有第一入射面111、第一出射面112、第一反射面113、第二入射面114、第二出射面115和第二反射面116。 Please refer to FIG. 4 and FIG. 5 together. The lens unit 11 has a first incident surface 111 , a first exit surface 112 , a first reflection surface 113 , a second incident surface 114 , a second exit surface 115 and a second reflection surface 116 .
第一反射面113与第一入射面111和第一入射面111之间分别具有45度夹角,第二反射面116与第二出射面115和第二入射面114之间分别具有45度夹角,第一入射面111和第二出射面115位于同一个平面上,第一出射面112和第二入射面114位于第一入射面111的相对两侧,第一反射面113和第二反射面116垂直相交。 There is an included angle of 45 degrees between the first reflective surface 113 and the first incident surface 111 and the first incident surface 111, and there is a 45-degree included angle between the second reflective surface 116 and the second outgoing surface 115 and the second incident surface 114. Angle, the first incident surface 111 and the second exit surface 115 are located on the same plane, the first exit surface 112 and the second incident surface 114 are located on opposite sides of the first incident surface 111, the first reflective surface 113 and the second reflective surface The faces 116 intersect perpendicularly.
第一入射面111上具有第一入射透镜1110,第一出射面112上具有第一出射透镜1120,发光单元14发出的光线经过第一入射透镜1110入射到透镜单元11的第一反射面113上,光线被第一反射面113反射后通过第一出射透镜1120从透镜单元11出射,然后耦合进入第二光纤16进行传输。 The first incident surface 111 has a first incident lens 1110, and the first exit surface 112 has a first exit lens 1120. The light emitted by the light emitting unit 14 is incident on the first reflective surface 113 of the lens unit 11 through the first incident lens 1110. After being reflected by the first reflective surface 113 , the light exits from the lens unit 11 through the first exit lens 1120 , and then is coupled into the second optical fiber 16 for transmission.
第一入射透镜1110和第一出射透镜1120的个数并不限于本实施例的一个,可以为其它数量,相应的,第二光纤16和发光单元14的个数也不限于本实施例的一个。 The number of the first incident lens 1110 and the first outgoing lens 1120 is not limited to one in this embodiment, and can be other numbers. Correspondingly, the number of the second optical fiber 16 and the light emitting unit 14 is not limited to one in this embodiment. .
第二入射面114上具有第二入射透镜1140,第二出射面115上具有第二出射透镜1150,第一光纤17传输的光信号经过第二入射透镜1140入射到第二反射面116上,被反射后通过第二出射透镜1150从透镜单元11中出射,而后被光接收单元15接收。 There is a second incident lens 1140 on the second incident surface 114, and a second exit lens 1150 is provided on the second exit surface 115. The optical signal transmitted by the first optical fiber 17 is incident on the second reflecting surface 116 through the second incident lens 1140, and is received After reflection, the light exits from the lens unit 11 through the second exit lens 1150 , and is then received by the light receiving unit 15 .
同理,第二入射透镜1140、第二出射透镜1150、光接收单元15和第一光纤17的数量也不限于本实施例的一个。 Similarly, the number of the second incident lens 1140, the second exit lens 1150, the light receiving unit 15 and the number of the first optical fiber 17 is not limited to one in this embodiment.
透镜单元11具有垂直相交的第一反射面113和第二反射面116,可以将光反射至不同的方向,同时也可以将来自不同方向的光反射至同一个方向,从而可使得第一光纤17和第二光纤16位于透镜单元11的相对两侧。 The lens unit 11 has a first reflective surface 113 and a second reflective surface 116 perpendicularly intersecting, which can reflect light to different directions, and can also reflect light from different directions to the same direction, so that the first optical fiber 17 and the second optical fiber 16 are located on opposite sides of the lens unit 11 .
可以理解的是,本领域技术人员还可在本发明精神内做其它变化等用在本发明的设计,只要其不偏离本发明的技术效果均可。这些依据本发明精神所做的变化,都应包含在本发明所要求保护的范围之内。 It can be understood that those skilled in the art can also make other changes within the spirit of the present invention to be used in the design of the present invention, as long as they do not deviate from the technical effects of the present invention. These changes made according to the spirit of the present invention should be included in the scope of protection of the present invention.
Claims (7)
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107153236A (en) * | 2016-03-04 | 2017-09-12 | 青岛海信宽带多媒体技术有限公司 | Optical module |
US10678003B2 (en) | 2016-03-04 | 2020-06-09 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
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JP2005165104A (en) * | 2003-12-04 | 2005-06-23 | Konica Minolta Holdings Inc | Optical communication module |
CN102565968A (en) * | 2010-12-31 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | Optical fiber communication device |
TW201326938A (en) * | 2011-12-19 | 2013-07-01 | Hon Hai Prec Ind Co Ltd | Photoelectric converter |
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2013
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KR20030054681A (en) * | 2001-12-26 | 2003-07-02 | 주식회사 하이닉스반도체 | Method for manufacturing a semiconductor device |
JP2005165104A (en) * | 2003-12-04 | 2005-06-23 | Konica Minolta Holdings Inc | Optical communication module |
CN102565968A (en) * | 2010-12-31 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | Optical fiber communication device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107153236A (en) * | 2016-03-04 | 2017-09-12 | 青岛海信宽带多媒体技术有限公司 | Optical module |
US10678003B2 (en) | 2016-03-04 | 2020-06-09 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
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