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22 August 2020 Optofluidic gratings used in refractometers
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Abstract
The use of refractometers to investigate the nature of liquids is very common. Here it is shown that surface relief diffraction gratings can be used to measure the refractive index of liquids. Calibration plots showing the relation between first order intensity as a function of refractive index are shown. We also developed a microfluidic device behaving as a grating which is used as refractometer where a very small amount of liquid (microliters) is used.
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Sergio Calixto, Valeria Piazza, Alan M. Gonzalez-Suarez, Jose L. Garcia-Cordero, Neil C. Bruce, Martha Rosete-Aguilar, and Guillermo Garnica "Optofluidic gratings used in refractometers", Proc. SPIE 11503, Infrared Sensors, Devices, and Applications X, 1150311 (22 August 2020); https://doi.org/10.1117/12.2569271
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