Han Zonghu, Chen Linfeng, Chen Yong, Ji Cuiping. The Study of Laser Gyro Lock-in Characteristic[J]. Acta Photonica Sinica, 2006, 35(6): 807
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Lock-in characteristic of four-mirror ring laser gyro was studied both by theory and experiments. The relationship between cavity overall back-scatter with the back-scatter of the mirrors and distance between mirrors was given. The cavity overall back-scatter was of two wave length period in cavity length. The results of two experiments are validated this relationship.