Paper Title:
Optical Retardation Measurement Using a Zeeman Laser
  Abstract

This paper presents a new optical configuration for measuring the phase retardation of optical linear birefringent materials. Phase retardation is measured by a heterodyne light source, which is generated by a Zeeman laser. The measurement system has advantages as a simple optical setup, high stability, small size, and portable owing to the configuration and the use of a Zeeman laser. Using the ratio of amplitudes from two measured heterodyne signals, a simple algorithm can obtain the phase retardation directly. Moreover, we can extend dynamic range of the phase retardation measurement to be 0 180 successfully. According to the experimental results, the average absolute error for the phase retardation of λ / 4 -wave plate sample is determined to be only 2.7 %.

  Info
Periodical
Key Engineering Materials (Volumes 326-328)
Edited by
Soon-Bok Lee and Yun-Jae Kim
Pages
191-194
DOI
10.4028/www.scientific.net/KEM.326-328.191
Citation
J. F. Lin, Y. L. Lo, "Optical Retardation Measurement Using a Zeeman Laser", Key Engineering Materials, Vols. 326-328, pp. 191-194, 2006
Online since
December 2006
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Price
$32.00
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