CN105372771B - 一种带准直透镜的光模块光接口组件 - Google Patents

一种带准直透镜的光模块光接口组件 Download PDF

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CN105372771B
CN105372771B CN201510943877.9A CN201510943877A CN105372771B CN 105372771 B CN105372771 B CN 105372771B CN 201510943877 A CN201510943877 A CN 201510943877A CN 105372771 B CN105372771 B CN 105372771B
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metal joint
collimation lens
optical
module
lens
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CN105372771A (zh
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苗祺壮
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Wuhan Excellent Letter Technology Ltd By Share Ltd
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Wuhan Excellent Letter Technology Ltd By Share Ltd
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Priority to CN201510943877.9A priority Critical patent/CN105372771B/zh
Publication of CN105372771A publication Critical patent/CN105372771A/zh
Priority to PCT/CN2016/110073 priority patent/WO2017101807A1/zh
Priority to US16/063,247 priority patent/US10641940B2/en
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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
    • G02B6/4206—Optical features
    • 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
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • 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
    • G02B6/3809—Dismountable connectors, i.e. comprising plugs without a ferrule embedding the fibre end, i.e. with bare fibre end
    • 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
    • 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
    • G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
    • G02B6/4226—Positioning means for moving the elements into alignment, e.g. alignment screws, deformation of the mount
    • 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
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements

Landscapes

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

Abstract

本发明提出了一种带准直透镜的光模块光接口组件，包括金属接头、以及与金属接头两端耦合连接的光学次模块和外部光纤，其特征在于，所述金属接头的内部处于连接光学次模块和外部光纤的腔体内设有准直透镜，所述准直透镜吻合于金属接头内的腔体。本发明金属接头与光学次模块之间不需要再设置透镜，也可以简化TO定位环的结构；同时为了预防准直透镜的金属接头内串动的风险，金属接头与准直透镜固定部位设计固定环。该组件可以同时满足光发射光模块和光接收光模块的使用要求，降低了成本。

Description

一种带准直透镜的光模块光接口组件
技术领域
本发明属于光通信技术领域，更具体地说涉及一种带准直透镜的光模块光接口组件。
背景技术
光模块光接口组件无论是光发射光接口组件，还是光接收光接口组件，都包括金属接头、以及与金属接头两端耦合连接的光学次模块和外部光纤，并通过TO定位环固定光学次模块。为了提高和保证光源效率，通常会在金属接头和光源之间设置准直透镜，并且一般设计会将准直透镜安装在TO定位环靠近金属接头一端。光发射光路的设计一般是光源-透镜-陶瓷插芯内光纤-外部光纤，要经过3次光路的对准耦合；光接收光路的设计一般是外部光纤-透镜-光源，要经过2次的对准耦合，耦合对准的工艺复杂成本比较高，同时由于光发射与光接收采用不同的结构，导致物料管理成本增加。
发明内容
本发明提出了一种带准直透镜的光模块光接口组件，对光模块光组件的光路结构进行完全不同的设计，采用统一的结构设计满足光发射和光接收两种光模块的需求。光发射的光路结构为光源-透镜-外部光纤，光接收的光路设计为外部光纤-透镜-光源，大大简化组件结构，同时对于光发射模块去掉陶瓷插芯而大幅度降低组件成本。
本发明具体是通过以下技术方案来实现的：
一种带准直透镜的光模块光接口组件，包括金属接头、以及与金属接头两端耦合连接的光学次模块和外部光纤，所述金属接头的内部处于连接光学次模块和外部光纤的腔体内设有准直透镜，所述准直透镜吻合于金属接头内的腔体。
优选地，所述准直透镜侧壁设置一圈凸起的固定环结构，所述腔体内壁设有一圈凹陷的固定槽结构，所述固定环结构吻合安装于固定槽结构内部。
优选地，所述金属接头与准直透镜之间的固定方式为：在准直透镜成型过程中直接与金属接头固定。
优选地，所述金属接头与准直透镜之间的固定方式为：在准直透镜成型后使用低温玻璃将固定准直透镜固定在金属接头的腔体内。
优选地，所述金属接头与准直透镜之间的固定方式为：在准直透镜成型后使用粘胶剂将固定准直透镜固定在金属接头的腔体内。
本发明产生的有益效果为：本发明金属接头与光学次模块之间不需要再设置透镜，也可以简化TO定位环的结构；同时为了预防准直透镜的金属接头内串动的风险，金属接头与准直透镜固定部位设计固定环。该组件可以同时满足光发射光模块和光接收光模块的使用要求，降低了成本。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1所示一种带准直透镜的光模块光接口组件，包括金属接头1、以及与金属接头1两端耦合连接的光学次模块4和外部光纤5，所述金属接头1的内部处于连接光学次模块4和外部光纤5的腔体内设有准直透镜2，所述准直透镜2吻合于金属接头1内的腔体。
本实施例中准直透镜2侧壁设置一圈凸起的固定环结构6，所述腔体内壁设有一圈凹陷的固定槽结构，所述固定环结构吻合安装于固定槽结构内部。
作为优选，金属接头1与准直透镜2之间的固定方式可以在准直透镜2成型过程中直接与金属接头1固定，也可以在准直透镜2成型后在使用低温玻璃或胶粘的方式将金属接头1与准直透镜2固定。发明金属接头与光学次模块之间不需要再设置透镜，也可以简化TO定位环3的结构；同时为了预防准直透镜的金属接头内串动的风险，金属接头与准直透镜固定部位设计固定环。该组件可以同时满足光发射光模块和光接收光模块的使用要求，光接口组件与光源之间不需要准直透镜，直接将准直透镜安装于金属接头内部，降低了成本。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (1)

1.一种带准直透镜的光模块光接口组件，包括金属接头、以及与金属接头两端耦合连接的光学次模块和外部光纤，其特征在于，所述金属接头的内部处于连接光学次模块和外部光纤的腔体内设有准直透镜，金属接头腔体内壁设有一圈凹陷的固定槽结构，所述准直透镜侧壁设置一圈凸起的固定环结构，所述准直透镜通过吻合安装于固定槽结构内部，从而使准直透镜吻合于金属接头内的腔体，金属接头与准直透镜固定部位设计固定环；所述金属接头与准直透镜之间的固定方式为：在准直透镜成型过程中直接与金属接头固定。
CN201510943877.9A 2015-12-16 2015-12-16 一种带准直透镜的光模块光接口组件 Active CN105372771B (zh)

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PCT/CN2016/110073 WO2017101807A1 (zh) 2015-12-16 2016-12-15 带光学透镜的光模块光接口组件及其制造方法
US16/063,247 US10641940B2 (en) 2015-12-16 2016-12-15 Optical module optical interface assembly with an optical lens and manufacturing method thereof

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WO2017101807A1 (zh) 2017-06-22
US10641940B2 (en) 2020-05-05
CN105372771A (zh) 2016-03-02

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