A refractometer based on a sinusoidal grating

Sergio Calixto; Neil C. Bruce; Martha Rosete-Aguilar; Areli Montes-Perez

doi:10.1117/12.2235300

30 September 2016 A refractometer based on a sinusoidal grating

Sergio Calixto, Neil C. Bruce, Martha Rosete-Aguilar, Areli Montes-Perez

Proceedings Volume 9948, Novel Optical Systems Design and Optimization XIX; 99480Z (2016) https://doi.org/10.1117/12.2235300
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

Here we present a refractometer for liquids based on a sinusoidal relief grating immersed in a small cuvette. He – Ne light is sent to the cuvette + grating device where it is diffracted. Zero, +1 and -1 orders appear. It is possible to calibrate the device by measuring +1 order intensity, when different liquids with known refractive index are poured in the cuvette. A theoretical study has been developed that supports the experimental results.

Citation Download Citation

Sergio Calixto, Neil C. Bruce, Martha Rosete-Aguilar, and Areli Montes-Perez "A refractometer based on a sinusoidal grating", Proc. SPIE 9948, Novel Optical Systems Design and Optimization XIX, 99480Z (30 September 2016); https://doi.org/10.1117/12.2235300

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