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Open AccessArticle

Double Laser for Depth Measurement of Thin Films of Ice

Centro de Tecnologías Físicas, Universitat Politècnica de València, 46022 Valencia, Spain
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Academic Editor: Markus Sigrist
Sensors 2015, 15(10), 25123-25138; https://doi.org/10.3390/s151025123
Received: 22 July 2015 / Revised: 16 September 2015 / Accepted: 19 September 2015 / Published: 29 September 2015
(This article belongs to the Section Physical Sensors)
The use of thin films is extensive in both science and industry. We have created an experimental system that allows us to measure the thicknesses of thin films (with typical thicknesses of around 1 µm) in real time without the need for any prior knowledge or parameters. Using the proposed system, we can also measure the refractive index of the thin film material exactly under the same experimental conditions. We have also obtained interesting results with regard to structural changes in the solid substance with changing temperature and have observed the corresponding behavior of mixtures of substances. View Full-Text
Keywords: thin films; thickness; refractive index thin films; thickness; refractive index
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Beltrán, M.D.; Molina, R.L.; Aznar, M.Á.S.; Moltó, C.S.; Verdú, C.M. Double Laser for Depth Measurement of Thin Films of Ice. Sensors 2015, 15, 25123-25138.

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