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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Silvennoinen, R., Peiponen, KE. & RäTY, J. Detection of Refractive Index Change of Liquids by Diffractive Element talrd Sensor. OPT REV 6, 68–70 (1999). https://doi.org/10.1007/s10043-999-0068-6
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DOI: https://doi.org/10.1007/s10043-999-0068-6