Accurate polarization measurements with a dual photoelastic modulator

被引:18
作者
Kuldkepp, M [1 ]
Hawkes, NC
Rachlew, E
Schunke, B
机构
[1] EURATOM, VR Assoc, KTH, Dept Phys, S-10691 Stockholm, Sweden
[2] EURATOM, United Kingdom Atom Energy AAuthor Assoc, Culham Sci Ctr, Abingdon OX14 3DB, Oxon, England
[3] EURATOM, CEA, CNRS, DSM,DRFC, F-13108 St Paul Les Durance, France
关键词
D O I
10.1364/AO.44.005899
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Measurements of the polarization effects in multimirror experiments by using a dual photoelastic modulator are described. The effect of single and multiple mirrors in polarization measurements in two and three dimensions is discussed, and experimental results show how symmetrical placement of mirrors in three-dimensional geometry can eliminate changes in the polarization. Calibration procedures for a dual photoelastic modulator and potential error sources such as misalignment of analyzer, signal dc offset, and neglect of aperture size are presented. Mirror-surface evolution and how it can disturb the polarization measurement are also addressed. (c) 2005 Optical Society of America.
引用
收藏
页码:5899 / 5904
页数:6
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