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Optical sub-assembly

A technology of optical subassembly and optical socket, which is applied in the field of optical subassembly to achieve the effect of low sensitivity and high stability

Inactive Publication Date: 2005-01-26
光学操作公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is not possible to manufacture the optical insert and socket separately, but it is desirable

Method used

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  • Optical sub-assembly
  • Optical sub-assembly
  • Optical sub-assembly

Examples

Experimental program
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Embodiment Construction

[0039] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

[0040] figure 1 A preferred embodiment of an optical receptacle 1 according to the invention is shown. The socket comprises a generally cylindrical or tubular housing 10 having a generally cylindrical space in which different diameters are formed. On the outer surface of the housing 10, a circumferential shoulder 11 is formed, which is used for alignment during the manufacturing process. The housing 10 can be made of any rigid material, such as plastic or metal (eg stainless steel).

[0041] A joint sleeve 12 is secured within the housing 10 , wherein the sleeve's longitudinal axis is substantially parallel to the longitudinal direction of the cylindrical housing 10 . The engagement sleeve 12 is preferably a standard ceramic sleeve. The splice sleeve has a fitting end 13 and a rear end 14, and it is mated with a length of optical fiber 15, preferably...

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Abstract

An optical sub-assembly is disclosed, having a mating end adapted to receive a mating fiber, and a back end provided with a converging lens establishing an expanded beam interface with an optical device. The use of an expanded beam interface provides greatly improved stability, and reduces the sensitivity to slight misalignments The optical sub-assembly comprises a receptacle for which the manufacturer thereof has full control over the optical interfaces and refractive index boundaries. The receptacle and the optical device may be manufactured separately.

Description

technical field [0001] The invention relates to an optical subassembly and an optical socket for the same. In particular, the present invention relates to an optical subassembly having a rear end adapted to receive a fitted end of a fitted optical fiber and adapted to optically connect with an optical device. Background technique [0002] Generally, an optical receptacle is an optical device that receives an optical fiber for connection to another optical device such as a laser diode, photodetector, or another optical fiber. Optical connectors are standardized to fit into receptacles made by different manufacturers. Common standards are, for example, SC connectors and LC connectors. [0003] The optical input and output of the optical device is through sockets connected to the device. When light enters or exits an optical fiber, it passes through refractive index boundaries. Refractive index boundaries are also necessary to refract light so that it can be collimated or f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/24G02B6/26G02B6/32G02B6/38G02B6/42
CPCG02B6/4208G02B6/327G02B6/266G02B6/243G02B2006/4297G02B6/4204G02B6/4207G02B6/3877G02B6/32
Inventor M·维克斯特伦K·弗罗德L·-G·斯文松P·厄伦T·切加耶
Owner 光学操作公司