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Characterization of the refractive index in gradient-index elements

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Author(s): Marek Wychowaniec | Dariusz Litwin

Journal: Optica Applicata
ISSN 0078-5466

Volume: 38;
Issue: 3;
Start page: 609;
Date: 2008;
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Keywords: GRIN lenses measurements | refractive index measurement | GRIN glass

ABSTRACT
The paper is focused on measurement techniques of gradient-index elements particularly useful for slightly inhomogeneous glasses from small laboratory melts. A construction of the measurement cuvette and dependence of the refractive index of an immersion liquid on its parameters is discussed. The dependence of the refractive index of α-bromonaphtalene on temperature for λ = 0.6328 μm is described. A measuring method of the refractive index profile of gradient-index elements is presented.

Tango Jona
Tangokurs Rapperswil-Jona

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