Collimating lens design structure applicable to optical interface assembly of optical module

A technology of optical interface components and collimating lenses, which is applied in optical components, optical waveguide coupling, optics, etc., can solve the problems of lens end face wear, scratches, and high hardness, so as to improve service life and safety, and ensure work effect of distance

Inactive Publication Date: 2016-10-12
WUHAN UNICELL TECH CO LTD
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Problems solved by technology

[0002] In the design of optical interface components of optical devices, if the coupling between the interface component and the light source is completed through the lens, the external optical fiber physically contacts the lens through the ceramic ferrule with PC surface. The defect of the convent

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  • Collimating lens design structure applicable to optical interface assembly of optical module

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[0015] The present invention will now be described in further detail with reference to the drawings. These drawings are all simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0016] figure 1 The shown design structure of a collimating lens suitable for optical interface components of an optical module includes a lens 1 and a ceramic ferrule 2. The contact end of the lens 1 and the ceramic ferrule 2 is divided into two parts, and the light-passing part is used to avoid The non-working area is designed as a physical contact surface with the ceramic ferrule 2, and the non-working area can be added with a super hard film to enhance the wear resistance of the surface of the lens 1 as required.

[0017] Preferably, in order to expand the scope of application, the light-transmitting part of the lens 1 can be designed as a Fresnel lens according to a...

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Abstract

The invention relates to the technical field of optical components, in particular to a collimating lens design structure suitable for an optical interface component of an optical module. A collimating lens design structure suitable for the optical interface assembly of the optical module of the present invention carries out structural innovation on the lens in the optical interface assembly, and designs the light-passing part to avoid contact with the ceramic ferrule , and set the contact surface in the non-working area of ​​the lens to make physical contact with the ceramic ferrule, and ensure the effective working distance between the lens working surface and the optical fiber, greatly improving the service life and safety.

Description

technical field [0001] The invention relates to the technical field of optical components, in particular to a collimating lens design structure suitable for an optical interface component of an optical module. Background technique [0002] In the design of optical interface components of optical devices, if the coupling between the interface component and the light source is completed through the lens, the external optical fiber physically contacts the lens through the ceramic ferrule with PC surface. The defect of the conventional design is that the hardness of the ceramic ferrule is greater than that of glass. The lens, after repeated contact, the end face of the lens will be worn or scratched, seriously affecting the quality of the light transmission, and even leading to a complete failure of the light transmission. Due to this defect, optical interface components with lenses have not been used on a large scale, but the advantages of optical interface components with lens...

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Application Information

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IPC IPC(8): G02B6/32G02B27/00
CPCG02B6/32G02B27/0012
Inventor 苗祺壮
Owner WUHAN UNICELL TECH CO LTD
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