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Measurement of the refractive index of liquid using laser beam displacement

โœ Scribed by Nemoto, Shojiro


Book ID
115342462
Publisher
The Optical Society
Year
1992
Tongue
English
Weight
518 KB
Volume
31
Category
Article
ISSN
1559-128X

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โœฆ Synopsis


A simple method for measuring the refractive index of liquid is presented. When a laser beam impinges obliquely on a rectangular cell filled with liquid and passes through the cell, the propagation axis of the transmitted beam is displaced from that of the incident beam. By measuring the displacement, we can determine the refractive index of the liquid. Beams of a He-Ne laser and a laser diode were used for measuring the refractive indices of pure water and some organic liquids.


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