โ Scribed by G.C. Bakos; N.F. Tsagas
No coin nor oath required. For personal study only.
Pollution detection was made for various water samples and industrial material specimens by usiny a laser detection system. In this paper, the developed laser system was used to measure the absorbance and particle quantity of water samples and the re[tectivity of polished and unpolished industrial specimens. This" system is" also designed to operate as a range finder based on the principle of continuous amplitude modulation (100 MHz) of the light intensity and the determination of phase difference between the transmitted and the received signals.
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Pulsed laser photoacoustic spectroscopy has been used as the basis for sensing analytes in aqueous systems. The spectra obtained with the photoacoustic system are significantly different from conventional transmission spectra and, in particular, the spectra of some organic solvents and alcohols show
A new microscope, called the scanning laser tomoholographic acoustic microscope, will employ three insonifying transducers to obtain holographic projections from three different directions for use in reconstructing tomograms of microscopic objects. To do this, the detection system should detect with