Here we present the ocular Fabry-Perot interferometer (FP) modified to work as a hygrometer. A jam thin film introduced between the mirrors of the FP behaves as the transductor. The thin film absorbs/desorbs water particles and thus the the thickness and refractive index will change. The meddling pattern given apiece FP, that consists of having a common center rings, is overwhelmed by these changes and this variation maybe used to infer the changes in relative humidness.
Author(s) Details:
Sergio Calixto,
Centro
de Investigaciones en Optica, Loma del Bosque 115, Leon, GTO., c.p. 37150,
Mexico.
Please see the link here: https://stm.bookpi.org/FRAPS-V7/article/view/11122
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