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BOSA optical device

A technology of optical devices and light beams, applied in optical components, light guides, optics, etc., can solve the problems of large total length tolerance, large power loss, and difficult control of beam focal length, etc., to reduce the total length tolerance, reduce power loss, and reduce production costs Effect

Pending Publication Date: 2020-11-10
XIAMEN SAN U OPTRONICS
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0004] The invention aims to solve the problems of difficult control of beam focal length, large total length tolerance and large power loss

Method used

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Embodiment Construction

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implement...

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Abstract

The invention relates to the field of BOSA components, and provides a BOSA optical device, which comprises: a transmitting end for transmitting a light beam; an isolator which is arranged on one sideof the transmitting end; a first lens which is arranged on one side, far away from the transmitting end, of the isolator; a second lens which is arranged on one side, far away from the isolator, of the first lens; a 45-degree wave plate which is obliquely arranged on one side, far away from the first lens, of the second lens; a third lens which is arranged on one side, far away from the second lens, of the 45-degree wave plate; a receiving end which is arranged beside the 45-degree wave plate; wherein a light beam emitted by the emitting end sequentially passes through the isolator, the firstlens, the second lens, the 45-degree wave plate and the third lens. The BOSA optical device is ingenious in structural design, the light beam focal length is controllable, the total length tolerance of the BOSA assembly is reduced, the production cost is reduced, and the power loss is reduced.

Description

technical field [0001] The invention relates to the field of BOSA components, and more specifically relates to a BOSA optical device. Background technique [0002] With the continuous development of optical communication technology and the continuous progress of optical applications, the requirements for the luminous intensity of optical signals on RFOG analog products are getting higher and higher, and the requirements for corresponding bandwidth at the receiving end are also getting higher and higher. As we all know, the RFOG one-receive-one-transmit BOSA module uses a 45° beam splitter to separate the wavelength 1610nm of the transmitted signal from the wavelength 1550nm of the received signal. However, traditional BOSA components have the problems of difficulty in controlling the focal length of the beam, large total length tolerance, and large power loss. Contents of the invention [0003] The purpose of the present invention is to provide a BOSA optical device. [...

Claims

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Application Information

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IPC IPC(8): G02B6/42
CPCG02B6/4204G02B6/4208
Inventor 邱名武江虹陈雪梅饶华斌
Owner XIAMEN SAN U OPTRONICS
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