New approach to the measurement of refractive index

A new approach for the measurement of a refractive index is presented, following the introduction of a novel feature based on the selection of a large number of angles of incidence along a direction of symmetry at the prism-ambient interface, without moving the incident beam. This gives rise to very...

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Bibliographic Details
Published in:Optical Engineering 2005-05, Vol.44 (5), p.058002-058006
Main Authors: Bali, L. M, Shukla, R. K, Srivastava, Priyanka, Srivastava, Anchal, Srivastava, Atul, Kulshreshtha, A
Format: Article
Language:English
Subjects:
high sensitivity
new approach
refractometer
wide range
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Summary:A new approach for the measurement of a refractive index is presented, following the introduction of a novel feature based on the selection of a large number of angles of incidence along a direction of symmetry at the prism-ambient interface, without moving the incident beam. This gives rise to very high sensitivities over a refractive index range determined by the divergence of this beam. ©
ISSN:0091-3286
1560-2303
DOI:10.1117/1.1900090