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Laser interferometer for determination of refractive index and thickness
被引：1
作者：
Alexandrov, SA
[1
]
Chernyh, IV
[1
]
Lischenko, PT
[1
]
机构：
[1] Res Prod Assoc, RUSBELPRIBOR, Minsk 220012, BELARUS
来源：
OPTICAL MANUFACTURING AND TESTING II
|
1997年
/
3134卷
关键词：
laser interferometer;
refractometer;
thickness meter;
optical materials;
liquids;
gaseous media;
films;
D O I：
10.1117/12.279133
中图分类号：
O43 [光学];
学科分类号：
070207 ;
0803 ;
摘要：
The experimental model of laser interferometer for measurement of absolute refractive index and thickness of optical media had been created and investigated. The interferometer allows to test both solid (including optical glasses and crystals, plastic and other sheet materials, films), liquid and gaseous media. The sample for measurement should be in a form of a plane parallel plate. The interferometer permits to measure the geometrical thickness of the plane parallel samples with interference accuracy, simultaneously with the refractive index measurement. The mathematical simulation of measuring process with PC has been performed. The results of investigations of the interferometer precision possibilities are presented.
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页码：486 / 491
页数：2
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