Liufeng Li, Yan Li, Lisheng Chen. Loss Measurement of High-Finesse Fabry-Perot Cavities[J]. Chinese Journal of Lasers, 2010, 37(12): 3075
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The loss of a high-finesse Fabry-Perot cavity was measured using frequency scan and cavity ring-down techniques. Different transverse modes were examined by sweeping the frequency of the laser across the corresponding resonances. In addition, cavity ring-down technique was used to measure the loss of the Fabry-Perot cavity and a simple model was employed to remove the influence of finite response time of the optical switch and the detection circuit.