Scanning monochromatic spatial low-coherence interferometer

被引：1

作者：

Wan, Xiaoke ^{[1
]}

Ge, Jian ^{[1
]}

机构：

[1] Univ Florida, Dept Astron, Gainesville, FL 32611 USA

来源：

OPTICS LETTERS | 2011年 / 36卷 / 19期

基金：

美国国家科学基金会;

关键词：

TRANSPARENT PLATES; REFRACTIVE-INDEX; THICKNESS; TOMOGRAPHY; MICROSCOPY; MEDIA;

D O I：

10.1364/OL.36.003807

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A scanning spatial low-coherence interferometer (S-LCI), using an off-axis converging single wavelength laser beam as the probe, resembles a conventional or temporal low-coherence interferometer (T-LCI) in signal formation and data processing. However, the S-LCI is advantageous over a T-LCI with the combination of angle resolving and depth discrimination capabilities. The S-LCI is demonstrated by measuring the angle dependent phase shifts among the multiple reflections of a glass plate, with incident angles accurately scaled in the Fourier domain. The refractive index and geometric thickness of the glass plate are simultaneously produced in this one-step measurement. (C) 2011 Optical Society of America

引用

页码：3807 / 3809

页数：3

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