A Stable and Compact Optical Module for Fiber-Optic Gyroscope Application

被引：0

作者：

Yu, Chih-Wei ^{[1
]}

Chiu, C. L. ^{[1
]}

Shih, Tien-Tsorng ^{[1
]}

Jou, Jau-Ji ^{[1
]}

机构：

[1] Natl Kaohsiung Univ Appl Sci, Dept Elect Engn, Kaohsiung 807, Taiwan

来源：

FIBER AND INTEGRATED OPTICS | 2014年 / 33卷 / 04期

关键词：

bi-directional optical sub-assembly; fiber-optic gyroscope; laser welding; PRECISION;

D O I：

10.1080/01468030.2014.923070

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This article introduces a new design for a bi-directional optical subassembly for fiber-optic gyroscope applications that integrates a super-luminescent light-emitting diode, a photodiode, a beam splitter, an isolator, a fiber receptacle, and a thermal electric cooler. It is less than 1.5 cm in diameter and 2.5 cm in height. As chip temperature was kept at 30 degrees C under environment temperature of -35 degrees C, 25 degrees C, and 75 degrees C, the bi-directional optical sub-assembly reached stability at a center wavelength of 1,539 nm and a wavelength shift of 1.5 nm. A 3D simple model with the finite-element method was used to analyze thermal performance.

引用

页码：306 / 314

页数：9

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