Detection system and method for resonant optical gyro based on pulsed light detection
A technology for optical gyroscopes and detection systems, applied in Sagnac effect gyroscopes, gyroscopes/steering sensing equipment, measuring devices, etc., can solve problems such as backscattering noise, avoid mutual coupling, and suppress backscattering noise effect
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[0026] The present invention will be described in detail below in conjunction with the embodiments and accompanying drawings, but the present invention is not limited thereto.
[0027] Such as figure 1 As shown, it is a detection system of resonant optical gyroscope based on pulsed light detection, which includes an optical system composed of tunable laser, phase modulator, pulsed light modulator, optical resonant cavity, photodetector and generated by pulse signal module, signal modulation and demodulation module, and feedback locking module; the tunable laser, phase modulator, and pulsed light modulator are connected sequentially through optical fibers; the two outputs of the pulsed light modulator are connected to the optical resonant cavity, and the optical The output of the resonant cavity is connected to the photodetector through an optical fiber, the output signal of the photodetector is input to the modulation and demodulation module, the modulation signal generated by...
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