Autocalibrating Stokes polarimeter for materials characterization

被引:7
|
作者
Shinki, Masaya [2 ,3 ]
Ivanov, Mario T. [1 ]
Post, Joshua S. [1 ]
Vagle, Svein [3 ]
Cullen, Jay T. [2 ]
Hore, Dennis K. [1 ]
机构
[1] Univ Victoria, Dept Chem, Victoria, BC V8W 3V6, Canada
[2] Univ Victoria, Sch Earth & Ocean Sci, Victoria, BC V8W 3V6, Canada
[3] Fisheries Oceans Canada Inst Ocean Sci, Sidney, BC V8L 4B2, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
ROTATING-COMPENSATOR ELLIPSOMETRY; BOUND-CONSTRAINED OPTIMIZATION; SPECTROSCOPIC ELLIPSOMETRY; PROTEIN ADSORPTION; ALGORITHM; SURFACES; ANALYZER; ERRORS;
D O I
10.1364/AO.51.004113
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The design and construction of an ellipsometer based on a fixed-wavelength rotating-retarder Stokes polarimeter is described. Details are provided for an automated calibration scheme that provides two advantages for its operation. The first allows the phase of the lock-in amplifiers to be set based on the raw data, without a known calibration sample. The second illustrates that the relative amplitude of the acquired signals may also be calibrated in a similar manner. As an illustration, the refractive index and thickness of a glass cover slide are determined over a range of incident angles. (C) 2012 Optical Society of America
引用
收藏
页码:4113 / 4119
页数:7
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