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Measurement of refractive index profile of GRIN glasses
M RAY, S K SARKAR, A BASURAY, N SOODBISWAS
Published in -
2001
Volume: 4417
   
Pages: 483 - 488
Abstract
A method for measurement of refractive index profile of a GRIN system is developed based on a longitudinal interferometer using a birefringent lens (BL). 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 © 2001 SPIE · 0277-786X/01/$15.00.
About the journal
JournalProceedings of SPIE - The International Society for Optical Engineering
Publisher-
ISSN0277-786X