標題: Improved technique for measuring refractive index and thickness of a transparent plate
作者: Jian, ZC
Hsu, CC
Su, DC
光電工程學系
Department of Photonics
關鍵字: refractive index;thickness;phase measurement;heterodyne interferometry
公開日期: 15-十月-2003
摘要: The phase difference between s- and p-polarizations of a circularly polarized heterodyne light beam reflected from a transparent plate is measured. The measured data is substituted into the specially derived equations and the refractive index can be calculated. Next, the variations of phase difference between s- and p-polarizations due to the wavelength shift and the extraction of the plate in a modified Michelson interferometer are measured. Then, its thickness can be calculated based on the measured value of refractive index, the variations of phase difference, and the specified value of wavelength shift. (C) 2003 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.optcom.2003.09.010
http://hdl.handle.net/11536/27459
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2003.09.010
期刊: OPTICS COMMUNICATIONS
Volume: 226
Issue: 1-6
起始頁: 135
結束頁: 140
顯示於類別:期刊論文


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