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Proceedings Paper

Measurement of refractive index profile of GRIN glasses
Author(s): Mina Ray; Samir Kumar Sarkar; Amitabha Basuray; Nisha S. Biswas
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Paper Abstract

A method for measurement of refractive index profile of a GRIN system is developed based on a longitudinal interferometer using a birefringent lens. The fringe pattern so generated is made to traverse through the sample under test. The modification of the fringes gives a measure of the refractive index profile. The fringe patterns both in presence and absence of the test samples are grabbed by a CCD camera and further processed by a computer. The basic software required for the same is being developed. Some experimental results are presented.

Paper Details

Date Published: 25 September 2001
PDF: 6 pages
Proc. SPIE 4417, Photonics 2000: International Conference on Fiber Optics and Photonics, (25 September 2001); doi: 10.1117/12.441339
Show Author Affiliations
Mina Ray, Univ. of Calcutta (India)
Samir Kumar Sarkar, Univ. of Calcutta (India)
Amitabha Basuray, Univ. of Calcutta (India)
Nisha S. Biswas, Central Glass and Ceramic Research Institute (India)

Published in SPIE Proceedings Vol. 4417:
Photonics 2000: International Conference on Fiber Optics and Photonics
S. K. Lahiri; Ranjan Gangopadhyay; Asit K. Datta; Samit K. Ray; B. K. Mathur; S. Das, Editor(s)

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