Laser gyro optical resonant cavity loss measurement system based on resonance method
A laser gyroscope and resonant cavity technology, applied in the field of measurement, can solve the problems of reducing measurement efficiency, increasing the complexity of the measurement process and measurement cost, and achieving the effects of improving measurement accuracy, filtering out noise interference, and simplifying the measurement process.
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[0022] The system structure of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0023] refer to figure 1 , the measurement system of the present invention includes an optical system, a resonant optical signal measurement control device 7, a main control computer 11 and a piezoelectric ceramic drive circuit 12, the optical system generates an optical signal, and transmits the optical signal to the main control computer through the resonant optical signal measurement control device 7 11. The main control computer 11 simultaneously controls the piezoelectric ceramic drive circuit 12 through the resonant optical signal measurement control device 7, and applies a drive voltage and a bias voltage to the optical system. in:
[0024] The optical system includes a laser 1, a spherical mirror 2, a two-dimensional parallel plate 3, a polarizer 4, a 1 / 2 wave plate 5 and a resonant cavity fixing device 6. The laser 1 adopts a single-...
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