Refractive index measurements of microvolumes liquids with control of the temperature

Yanko Sarov; Stanislav Shurulinkov; Georgi Minchev

doi:10.1117/12.425143

9 April 2001 Refractive index measurements of microvolumes liquids with control of the temperature

Yanko Sarov, Stanislav Shurulinkov, Georgi Minchev

Proceedings Volume 4397, 11th International School on Quantum Electronics: Laser Physics and Applications; (2001) https://doi.org/10.1117/12.425143
Event: 11th International School on Quantum Electronics: Laser Physics and Applications, 2000, Varna, Bulgaria

Abstract

In this work an automatic operating prototype of a laser refractometer is described. The device consists of a refractometric block, where the refractive index (RI) of liquids is detected according to modified prism method, build- in interferometer for determination of the angle of rotation, which use the same laser and system for contact measurement and control of the liquid temperature with an accuracy of 0.3 degrees Celsius. The automatization of the measurement avoid the subjective related errors. The construction permits the utilization of various lasers as light sources. The achieved accuracy of about 1.10^-4 allows applications of the refractometer in various kinds of problems as optical constant determination, concentration measurements, purity control, in situ biomedicine diagnostic and etc.

Citation Download Citation

Yanko Sarov, Stanislav Shurulinkov, and Georgi Minchev "Refractive index measurements of microvolumes liquids with control of the temperature", Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); https://doi.org/10.1117/12.425143

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