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Simultaneous measurement of refractive index and thickness of transparent plates by low coherence interferometry: measurement principle and experimental verification

โœ Scribed by Hideyuki Tajiri; Takehisa Shiraishi; Masato Ohmi; Masamitsu Haruna


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
145 KB
Volume
29
Category
Article
ISSN
0030-3992

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The phase difference between s-and p-polarizations of a circularly polarized heterodyne light beam reflected from a transparent plate is measured. The measured data is substituted into the specially derived equations and the refractive index can be calculated. Next, the variations of phase differenc