Principles and Perspectives of Photothermal and Photoacoustic PhenomenaAndreas Mandelis |
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Page 373
... monitoring , e.g. for air conditioning . Furthermore , there is a great need for the continuous monitoring of trace gas concentrations at work places . Finally , the control of industrial chemical production and processes is an area ...
... monitoring , e.g. for air conditioning . Furthermore , there is a great need for the continuous monitoring of trace gas concentrations at work places . Finally , the control of industrial chemical production and processes is an area ...
Page 413
... monitoring of the main constituents is thus of great interest . Present monitoring devices for this purpose usually comprise gas chromatographic ( GC ) systems that offer high sensitivity and reasonable selectivity , yet often lack the ...
... monitoring of the main constituents is thus of great interest . Present monitoring devices for this purpose usually comprise gas chromatographic ( GC ) systems that offer high sensitivity and reasonable selectivity , yet often lack the ...
Page 416
... monitoring of hazardous gases and vapors or general chemical process control . Finally , it should be mentioned that the selective , continuous monitoring with a similar time resolution as shown for the alcohol vapors appears ...
... monitoring of hazardous gases and vapors or general chemical process control . Finally , it should be mentioned that the selective , continuous monitoring with a similar time resolution as shown for the alcohol vapors appears ...
Contents
HISTORICAL PERSPECTIVES | 4 |
Creating the Signal | 14 |
CONCLUSIONS AND RECOMMENDATIONS | 28 |
Copyright | |
32 other sections not shown
Common terms and phrases
A.C. Boccara absorption coefficient acoustic acoustic resonances amplitude Appl beam deflection Berlin cell Chem CO₂ components concentration curves density density matrix depends depth detection methods detector dye laser effect electronic emission energy equation excitation experimental film frequency domain function heat diffusion heat flow infrared J.C. Murphy L.C. Aamodt L.D. Favro laser beam layer Lett lock-in amplifier materials measurements medium microphone modulation frequency molecules monitoring obtained optical parameters permission phase Phenomena II Photoacoustic and Photothermal photoacoustic signal photoacoustic spectroscopy Photothermal Phenomena photothermal signal Phys piezoelectric ppbV pressure probe beam PTDS PTLS pump beam pyroelectric R.L. Thomas radiation radiometry reflectivity refractive index relaxation resonance Rosencwaig sample surface scanning semiconductors sensitivity shown in Fig spatial spectral spectroscopy Springer Springer-Verlag sub-surface surface temperature technique temperature distribution theoretical thermal conductivity thermal diffusion length thermal lens thermal wave thickness transverse ultrafast velocity wavelength