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Updated: Feb 7, 2026

Dependence of Laser-induced Breakdown Spectroscopy Results on Pulse Energies and Timing Parameters Using Soil Simulants
Published on: September 23, 2013
Pyroelectric detection of submicrosecond laser pulses between 230 and 530 microm
Abstract:
A continuously tunable far-IR Raman laser has been used to measure the responsivity and the spectral response of uncoated LiTaO(3) pyroelectric detectors between 230 and 530 microm. A striking feature of the spectral response curves is a periodic sequence of maxima and minima, with a modulation factor of >/=75%. Calculations based on the theory of an absorbing Fabry-Perot etalon indicate that these variations correspond to interference fringes produced by multiple reflections at the surfaces of the LiTaO(3) crystal.
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