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Low coherence fiber optic gyroscope system research

Author: GaoJunGuang
Tutor: WangKeJia
School: Harbin Engineering University
Course: Optical Engineering
Keywords: Interferometric Fiber Optic Gyro : Wide spectrum of light Young intervention : CCD detector
CLC: TN256
Type: Master's thesis
Year: 2004
Downloads: 232
Quote: 0
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Abstract


Interferometric Fiber Optic Gyroscope (IFOG) has many unique advantages , which caused a large number of research institutions world 's attention , as our country has fiber optic gyro inertial technology focus on the development of key technologies . And , the low-precision FOG research more market prospects, will bring radical innovation to society . Paper introduces the principle of interferometric fiber optic gyroscope and a wide spectral interference technology, from fiber optic gyroscope , low accuracy requirements, design a set of low-coherence fiber optic gyro solutions , overcome by the light frequency, power instability and polarization direction measurement error , with good job stability and repeatability. In order to improve measurement sensitivity has taken more wide- spectrum light source technology has been demonstrated and simulation to get good results , and for the low-coherence interferometric open loop fiber optic gyroscope system gives a detailed circuit design ideas, as well as bring CCD detector the error took deconvolution approach to the elimination . Meanwhile , a detailed analysis is generated IFOG nonreciprocal phase shift ( optical path difference ) of the factors that the corresponding error elimination methods to overcome . This is useful for the development of the low-precision fiber optic gyroscope is important.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Optical waveguide and integrated optics > Integrated optical devices
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