TW201428368A - 光通訊模組 - Google Patents

光通訊模組 Download PDF

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Publication number
TW201428368A
TW201428368A TW102101291A TW102101291A TW201428368A TW 201428368 A TW201428368 A TW 201428368A TW 102101291 A TW102101291 A TW 102101291A TW 102101291 A TW102101291 A TW 102101291A TW 201428368 A TW201428368 A TW 201428368A
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TW
Taiwan
Prior art keywords
hole
communication module
optical communication
positioning
optical fiber
Prior art date
Application number
TW102101291A
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English (en)
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TWI561876B (en
Inventor
I-Thun Lin
Original Assignee
Hon Hai Prec Ind Co Ltd
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Publication date
Application filed by Hon Hai Prec Ind Co Ltd filed Critical Hon Hai Prec Ind Co Ltd
Priority to TW102101291A priority Critical patent/TWI561876B/zh
Priority to US13/968,388 priority patent/US9008475B2/en
Publication of TW201428368A publication Critical patent/TW201428368A/zh
Application granted granted Critical
Publication of TWI561876B publication Critical patent/TWI561876B/zh

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Classifications

    • 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
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • G02B6/322—Optical coupling means having lens focusing means positioned between opposed fibre ends and having centering means being part of the lens for the self-positioning of the lightguide at the focal point, e.g. holes, wells, indents, nibs
    • 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
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
    • G02B6/423—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
    • G02B6/4231—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment with intermediate elements, e.g. rods and balls, between the elements
    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/3628—Mechanical coupling means for mounting fibres to supporting carriers
    • G02B6/3648—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures
    • G02B6/3652—Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures the additional structures being prepositioning mounting areas, allowing only movement in one dimension, e.g. grooves, trenches or vias in the microbench surface, i.e. self aligning supporting carriers
    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3885—Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

一種光通訊模組，包括光纖固定單元和透鏡單元，所述光纖固定單元用來固定光纖，所述透鏡單元用來與所述光纖光耦合，所述光纖固定單元上具有定位孔，所述光通訊模組進一步包括金屬材質的定位柱，所述透鏡單元上具有通孔，所述定位柱位於所述通孔中，所述定位柱與所述定位孔相配合以使所述光纖固定單元和透鏡單元對位。

Description

光通訊模組
本發明涉及一種光通訊模組。
光通訊模組一般包括插拔配合的光纖固定單元和透鏡單元，光纖固定單元具有容納光纖的通孔，透鏡單元上具有與光纖耦合的透鏡。另外，光纖固定單元還具有定位孔，透鏡單元上具有定位柱，定位孔和定位柱相配合使透鏡和光纖對準以實現光耦合。
惟，定位柱的長度相對光纖固定單元的長度而言，比較短，在光纖固定單元和透鏡單元的插拔過程中，會因強度不足而被折斷，或者造成光纖和透鏡不能精確對位以影響光耦合的效率。
有鑒於此，有必要提供一種在插拔過程強度較大的光通訊模組。
一種光通訊模組，包括光纖固定單元和透鏡單元，所述光纖固定單元用來固定光纖，所述透鏡單元用來與所述光纖光耦合，所述光纖固定單元上具有定位孔，所述光通訊模組進一步包括金屬材質的定位柱，所述透鏡單元上具有通孔，所述定位柱位於所述通孔中，所述定位柱與所述定位孔相配合以使所述光纖固定單元和透鏡單元對位。
相較於先前技術，本實施例的光通訊模組藉助金屬材質的定位柱與定位孔配合，由於定位柱的強度較大，從而使得在光纖固定單元和透鏡單元的插拔過程中，定位柱不易折斷、傾斜，具有較大的插拔強度。
10．．．光通訊模組
11．．．光纖固定單元
110．．．容置孔
111．．．定位孔
12．．．透鏡單元
120．．．透鏡
121．．．通孔
1211．．．臺階部
13．．．定位柱
130．．．凸環
圖1是本發明實施例光通訊模組的示意圖。
圖2是本發明實施例光通訊模組的分解示意圖。
圖3是本發明實施例光通信模組的另一角的分解示意圖。
下面將結合附圖對本發明實施例作進一步詳細說明。
請參閱圖1、圖2及圖3，本發明實施例提供的光通訊模組10包括光纖固定單元11、透鏡單元12和定位柱13。
光纖固定單元11一般由塑膠材質製成，並採用射出成型方式一體成型。光纖固定單元11具有複數容置孔110和兩個定位孔111，容置孔110相互平行設置用來固定光纖，容置孔110為通孔，容置孔110位於定位孔111之間且定位孔111的中心連線通過容置孔110的中心，定位孔111為形狀不限的通孔或盲孔，優選為圓形孔。
透鏡單元12一般由塑膠材質製成，並採用射出成型方式一體成型。透鏡單元12上具有數量與容置孔110的數量相同的透鏡120以及兩個通孔121。透鏡120與容置孔110一一對應以使透鏡120與容納在容置孔110中的光纖光耦合，透鏡120位於通孔121之間，且通孔121中心的連線通過透鏡120的光軸，通孔121的中心線平行透鏡120的光軸，通孔121遠離光纖固定單元11的一端徑向向外形成臺階部1211。
定位柱13的形狀對應定位孔111和通孔121的形狀且由金屬材質製成，例如，由鐵或銅製成。定位柱13的一端徑向凸出形成圓形的凸環130，定位柱13的長度至少為通孔121深度的兩倍。定位柱13和通孔121之間以機械公差的方式緊密配合，例如，過盈配合。當定位柱13位於通孔121中，凸環130抵頂在臺階部1211上。
定位柱13與通孔121緊密配合後，將定位柱13伸入定位孔111中，從而使得光纖固定單元11與透鏡單元12定位，此時，透鏡120的光軸與容置孔110的中心重合，保證光在光纖和透鏡120之間的順利耦合。
光纖固定單元11和透鏡單元12藉由金屬材質的定位柱13進行定位，由於定位柱13的強度較大，在光纖固定單元11和透鏡單元12的插拔過程中，定位柱13不易被折斷、傾斜，從而使得光通訊模組10具有較大的插拔強度。
綜上所述，本發明確已符合發明專利之要件，遂依法提出專利申請。惟，以上所述者僅為本發明之較佳實施方式，自不能以此限制本案之申請專利範圍。舉凡熟悉本案技藝之人士爰依本發明之精神所作之等效修飾或變化，皆應涵蓋於以下申請專利範圍內。
10．．．光通訊模組
11．．．光纖固定單元
110．．．容置孔
111．．．定位孔
12．．．透鏡單元
120．．．透鏡
121．．．通孔
13．．．定位柱
130．．．凸環

Claims (7)

  1. 一種光通訊模組，包括光纖固定單元和透鏡單元，所述光纖固定單元用來固定光纖，所述透鏡單元用來與所述光纖光耦合，所述光纖固定單元上具有定位孔，其改良在於，所述光通訊模組進一步包括金屬材質的定位柱，所述透鏡單元上具有通孔，所述定位柱位於所述通孔中，所述定位柱與所述定位孔相配合以使所述光纖固定單元和透鏡單元對位。
  2. 如請求項1所述的光通訊模組，其中，所述光纖固定單元上具有複數容置孔，所述光纖位於所述容置孔中。
  3. 如請求項1所述的光通訊模組，其中，所述定位柱的長度至少為所述通孔的長度的兩倍。
  4. 如請求項1所述的光通訊模組，其中，所述定位柱一端徑向形成凸環，所述通孔對應所述凸環具有臺階部。
  5. 如請求項1所述的光通訊模組，其中，所述定位孔為通孔或盲孔。
  6. 如請求項1所述的光通訊模組，其中，所述定位柱的材質為鐵或銅。
  7. 如請求項1-6任一所述的光通訊模組，其中，所述光纖固定單元和透鏡單元的材料為塑料。
TW102101291A 2013-01-14 2013-01-14 Optical communication TWI561876B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW102101291A TWI561876B (en) 2013-01-14 2013-01-14 Optical communication
US13/968,388 US9008475B2 (en) 2013-01-14 2013-08-15 Photoelectric coupling module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW102101291A TWI561876B (en) 2013-01-14 2013-01-14 Optical communication

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TW201428368A true TW201428368A (zh) 2014-07-16
TWI561876B TWI561876B (en) 2016-12-11

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Publication number Publication date
TWI561876B (en) 2016-12-11
US9008475B2 (en) 2015-04-14
US20140199021A1 (en) 2014-07-17

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