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Optica Publishing Group
  • Conference on Lasers and Electro-Optics
  • OSA Technical Digest (Optica Publishing Group, 1997),
  • paper CTuP49

A phase-reading two-wavelength interferometer with use of a trapezoidally modulated laser diode

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Abstract

We demonstrate a new type of phase-reading two-wavelength interferometer1,2 for absolute distance measurement without phase ambiguity.

© 1997 Optical Society of America

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