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Conferences > CLEOPR > 2011 > PSM > C1098
  • Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
  • (Optica Publishing Group, 2011),
  • paper C1098

Constant-phase scanning heterodyne interferometer

Youngkyu Park, Jun Gyu Park, and Kyuman Cho

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Abstract

A constant-phase scanning heterodyne interferometer scheme is introduced. The phase difference between the probe beam and reference beam is locked at the constant value by using a feedback control loop, by which nonlinearity and π-ambiguity of the phase measurements are minimized.

© 2011 AOS

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