Open AccessTHE INFLUENCE OF METAL OPTICAL PROPERTY ON THE POLARIZATION EFFECT IN MEASUREMENTS OF THIN WIRE DIAMETER WITH HIGH ACCURACY
Author(s) -
Jianping Xie,
Yanhui Qiu,
Hai Ming,
Chuanqi Li,
Niu Ya-Ping,
Lifeng Xi,
Shigeo Ozono
Publication year - 1990
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.39.1830
Subject(s) - materials science , perpendicular , polarization (electrochemistry) , optics , metal , thin film , diffraction , vibration , physics , geometry , nanotechnology , acoustics , chemistry , mathematics , metallurgy
The influence of metal optical property on the polarization effect in measurements of thin wire diameter with high accuracy has been studied in the present paper. The experimental Values of thin wire diameter obtained from its Fraunhofer diffraction patterns, which are produced by polarized light with the vibrations parallel and perpendicular to the wire axis respectively, is different. The theoretical analysis shows that this difference of wire diameter is approximately proportional to the imaginary part of complex index of metal, and is inde-pent of its real part. Some experimental results agree well with the theory.