Properties of a fiber-transmission filter based on Bragg grating and its applications in ring-laser gyros

Wen Ji; Shufen Chen; Lei Fu; Zhengfeng Zou; Fanjun Rao

doi:10.1117/1.OE.51.5.055001

Properties of a fiber-transmission filter based on Bragg grating and its applications in ring-laser gyros

Wen Ji, Shufen Chen, Lei Fu, Zhengfeng Zou, Fanjun Rao

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

A fiber transmission filter is proposed and experimentally explored. The bandwidth of the filter is less than 0.1 nm, the loss and back-reflection index is 1.84 dB/18.60 dB for one direction and 1.57 dB/20.78 dB for the other direction, figures which exhibit a great value for ring-laser gyros. By utilizing this filter, a bidirectional laser wave carrying a beating signal can be obtained in a homogeneously broadened gain medium. Finally, a ring-laser gyro with its lock-in area less than 10 deg sec^-1 is obtained and presented.

Original language	English
Article number	055001
Journal	Optical Engineering
Volume	51
Issue number	5
DOIs	https://doi.org/10.1117/1.OE.51.5.055001
Publication status	Published - May 2012

Keywords

Backscattering
Fiber optic sensors
Filters
Gyroscopes
Two-wave mixing

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10.1117/1.OE.51.5.055001

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title = "Properties of a fiber-transmission filter based on Bragg grating and its applications in ring-laser gyros",

abstract = "A fiber transmission filter is proposed and experimentally explored. The bandwidth of the filter is less than 0.1 nm, the loss and back-reflection index is 1.84 dB/18.60 dB for one direction and 1.57 dB/20.78 dB for the other direction, figures which exhibit a great value for ring-laser gyros. By utilizing this filter, a bidirectional laser wave carrying a beating signal can be obtained in a homogeneously broadened gain medium. Finally, a ring-laser gyro with its lock-in area less than 10 deg sec-1 is obtained and presented.",

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AU - Ji, Wen

AU - Chen, Shufen

AU - Fu, Lei

AU - Zou, Zhengfeng

AU - Rao, Fanjun

PY - 2012/5

Y1 - 2012/5

N2 - A fiber transmission filter is proposed and experimentally explored. The bandwidth of the filter is less than 0.1 nm, the loss and back-reflection index is 1.84 dB/18.60 dB for one direction and 1.57 dB/20.78 dB for the other direction, figures which exhibit a great value for ring-laser gyros. By utilizing this filter, a bidirectional laser wave carrying a beating signal can be obtained in a homogeneously broadened gain medium. Finally, a ring-laser gyro with its lock-in area less than 10 deg sec-1 is obtained and presented.

AB - A fiber transmission filter is proposed and experimentally explored. The bandwidth of the filter is less than 0.1 nm, the loss and back-reflection index is 1.84 dB/18.60 dB for one direction and 1.57 dB/20.78 dB for the other direction, figures which exhibit a great value for ring-laser gyros. By utilizing this filter, a bidirectional laser wave carrying a beating signal can be obtained in a homogeneously broadened gain medium. Finally, a ring-laser gyro with its lock-in area less than 10 deg sec-1 is obtained and presented.

KW - Backscattering

KW - Fiber optic sensors

KW - Filters

KW - Gyroscopes

KW - Two-wave mixing

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Properties of a fiber-transmission filter based on Bragg grating and its applications in ring-laser gyros

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Keywords

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