Apparatus and method for reducing random walk coefficient of fiber optic gyroscope by using active spectral filtering
作者： Zhang Haisheng , Shu Xiaowu , Liu Cheng , Chen Xingfan
DOI:
关键词: Shot noise 、 Optical amplifier 、 Filter (signal processing) 、 Optics 、 Relative intensity noise 、 Materials science 、 Power (physics) 、 Fibre optic gyroscope 、 Optical fiber 、 Optical power
摘要: The invention discloses an apparatus and method for reducing the random walk coefficient of a fiber optic gyro by using active spectral filtering. mainly comprises filter connected with arranged between broadband light source optical coupler III, wherein couplers, fibers amplifier; is one end side I, other I separately theoptical II III; III sequentially via amplifier II. reduce influence relative intensity noise shot on gyroscope,improve measurement precision gyroscope, realize suppression have amplification effect input power, thereby improving probe power gyroscope gyroscope.
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