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  • Controlling Light with Light: Photorefractive Effects, Photosensitivity, Fiber Gratings, Photonic Materials and More
  • OSA Technical Digest (CD) (Optica Publishing Group, 2007),
  • paper TuB2
  • https://doi.org/10.1364/PR.2007.TuB2

A High-Sensitive Holographic Interferometer for the Measurements of Weak Forces and Small Mechanical Displacements

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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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