Abstract
We describe a high-sensitive adaptive interferometer based on BaTiO3:Co crystal designed for displacement measurements of the objects with high reflectivity. We use a polarization filtering, which ensure the linear regime of signal detection in the photorefractive crystal with nonlocal response. We demonstrate experimentally that the interferometer can be used for high-sensitive detection of light pressure with the sensitivity of 2 μW in the wavelength range from 488 to 1600 nm.
© 2007 Optical Society of America
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