Abstract
We describe a rigid, internally modulated Michelson interferometer with Fabry–Perot cavities in the interferometer arms. The high contrast (0.986) and the small cavity losses (2.7%) permit efficient use of the light power available. The measured shot-noise-limited displacement sensitivity for 35mW of light power is , in good agreement with the calculated signal-to-noise ratio.
© 1991 Optical Society of America
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