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Sensors 2017, 17(2), 266;

Liquid Temperature Measurements Using Two Different Tunable Hollow Prisms

Centro de Investigaciones en Optica, Loma del Bosque 115, Leon 37150, Mexico
Centro de Ciencias Aplicadas y Desarrollo Tecnológico (CCADET), Universidad Nacional Autónoma de México (UNAM), Av. Universidad 3000, Coyoacán, Distrito Federal 04510, Mexico
Author to whom correspondence should be addressed.
Academic Editors: Cheng-Chi Wang and Ming-Tsang Lee
Received: 25 August 2016 / Revised: 27 October 2016 / Accepted: 27 October 2016 / Published: 29 January 2017
(This article belongs to the Special Issue Innovative Sensing Control Scheme for Advanced Materials)
Full-Text   |   PDF [6928 KB, uploaded 9 February 2017]   |  


This paper describes the design, fabrication, and testing of two hollow prisms. One is a prism with a grating glued to its hypotenuse. This ensemble, prism + grating, is called a grism. It can be applied as an on-axis tunable spectrometer. The other hollow prism is a constant deviation one called a Pellin-Broca. It can be used as a tunable dispersive element in a spectrometer with no moving parts. The application of prisms as temperature sensors is shown. View Full-Text
Keywords: temperature sensors; grism; constant deviation prism; Pellin-Broca temperature sensors; grism; constant deviation prism; Pellin-Broca

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Calixto, S.; Rosete-Aguilar, M.; Torres-Gomez, I. Liquid Temperature Measurements Using Two Different Tunable Hollow Prisms. Sensors 2017, 17, 266.

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