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Detection of Refractive Index Change of Liquids by Diffractive Element talrd Sensor |
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| Authors: | Raimo Silvennoinen Kai-Erik Peiponen Jukka RäTY |
| Affiliation: | (1) University of Joensuu, Department of Physics, P.O. Box 111, FIN-80101 foensuu, Finland;(2) Measurement and Sensor Laboratory, University of Oulu, Technology Park 127, FIN-87400 Kajaani, Finland |
| 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. |
| Keywords: | refractive index change of liquids diffractive optical element process industry |
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