Detection of Refractive Index Change of Liquids by Diffractive Element Based Sensor

Raimo SILVENNOINEN; Kai–Erik PEIPONEN; Jukka RÄTY

doi:10.1007/s10043-999-0068-6

Raimo SILVENNOINEN, Kai–Erik PEIPONEN, Jukka RÄTY

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Keywords: refractive index change of liquids, diffractive optical element, process industry

JOURNAL FREE ACCESS

1999 Volume 6 Issue 1 Pages 68-70

DOI https://doi.org/10.1007/s10043-999-0068-6

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Abstract

Refractive index change of liquids was detected using a temperature compensated prism cavity together with a diffractive optical element fabricated by electron beam lithography. Small changes of refractive index could be detected from image data of the sensor.

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