Laser heterodyne displacement measuring using PLZT frequency shifter

6533b833fe1ef96bd129c02e

RESEARCH PRODUCT

Laser heterodyne displacement measuring using PLZT frequency shifter

P. Kreicbergs J. Kotleris A. Kapenieks E. Klotins

subject

Heterodyne Materials science business.industry Metals and Alloys Lanthanum zirconate Condensed Matter Physics Laser Titanate Displacement (vector)Surfaces Coatings and Films Electronic Optical and Magnetic Materials law.invention Interferometry Optics law visual_art visual_art.visual_art_medium Frequency shifter Ceramic Electrical and Electronic Engineering business Instrumentation

description

Abstract The implementation of a frequency shifter based on lead lanthanum zirconate titanate ceramic (PLZT) and a voltage-controlled λ/4 plate is described. The capabilities of these elements are demonstrated with results from a Michelson-type laser heterodyne displacement measuring interferometer with 0.01 μm accuracy and 1 Hz display update rate.

year	journal	country	edition	language
1991-03-01	Sensors and Actuators A: Physical

https://doi.org/10.1016/0924-4247(91)87004-m

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