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The Cerro Prieto Geothermal Field (CPGF) is the biggest in Mexico, fourth worldwide, and it started electricity generation in 1973. This work correlates heavy metals in environmental samples, tracing the geothermal energy fingerprint from water an air, into soil and plants around CPGF. By X-Ray Fluorescence, we identified heavy metals (Cr, Mn, Pb, Pd, Ru, V and Zn) from other different sources than...
We present a modulation scheme consisting of a fiber-optic Sagnac interferometer, which has an electro-optic modulator (Pockels cell) in the loop of the interferometer. In order to diminish the nonlinearity of the Sagnac interferometer transmittance function, we monitor a very small part of the output light intensity by means of a photodiode and then amplify this signal by a constant factor ξ. This...
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