Method for measuring the refractive index of liquids using a cylindrical cell

Victor M. Duran-Ramirez; Alejandro Martínez-Rios; Jesús Muñoz-Maciel; Francisco G. Pena-Lecona; Francisco Javier Casillas-Rodriguez; Romeo Selvas-Aguilar; Miguel J. Mora-González

doi:10.1117/1.OE.52.7.074101

1 July 2013 Method for measuring the refractive index of liquids using a cylindrical cell

Victor M. Duran-Ramirez, Alejandro Martínez-Rios, Jesús Muñoz-Maciel, Francisco G. Pena-Lecona, Francisco Javier Casillas-Rodriguez, Romeo Selvas-Aguilar, Miguel J. Mora-González

Author Affiliations +

Optical Engineering, Vol. 52, Issue 7, 074101 (July 2013). https://doi.org/10.1117/1.OE.52.7.074101

Abstract

A new and simple method for measuring the refractive index of liquid substances is presented. In this method, a laser beam impinges transversely on a glass tube (cylindrical cell) filled with the liquid to be measured. The laser beam incident on the cylindrical cell is deviated when it propagates through the wall of the cell and the liquid contained in it. By measuring the deviation of the principal ray of the laser beam when it emerges from the cylindrical cell, we can determine the refractive index of the liquid. To show the feasibility of the method, we measured the refractive index of pure water with a He-Ne laser.

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Victor M. Duran-Ramirez, Alejandro Martínez-Rios, Jesús Muñoz-Maciel, Francisco G. Pena-Lecona, Francisco Javier Casillas-Rodriguez, Romeo Selvas-Aguilar, and Miguel J. Mora-González "Method for measuring the refractive index of liquids using a cylindrical cell," Optical Engineering 52(7), 074101 (1 July 2013). https://doi.org/10.1117/1.OE.52.7.074101

Published: 1 July 2013

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