Results 141 to 150 of about 6,705 (186)

Effect of gas turbulence in quartz-enhanced photoacoustic spectroscopy: A comprehensive flow field analysis. [PDF]

open access: yesPhotoacoustics
Zifarelli A   +9 more
europepmc   +1 more source

Evanescent wave quartz-enhanced photoacoustic spectroscopy employing a side-polished fiber for methane sensing. [PDF]

open access: yesPhotoacoustics
Twomey CF   +6 more
europepmc   +1 more source

Photoacoustic spectroscopy

Review of Scientific Instruments, 1983
The subject of photoacoustic spectroscopy is reviewed. The basic areas of instrumentation (excitation sources, acoustic cells, and acoustic detectors) are described, and the specific advantages of various designs and techniques are discussed. Results are presented to highlight the applicability of photoacoustic spectroscopy to a wide variety of ...
Gary A. West   +3 more
exaly   +3 more sources

Photoacoustic spectroscopy with condensed samples

Applied Optics, 1976
A discussion of the photoacoustic spectroscopy of condensed matter is presented with emphasis on the role of the sample and the sample cell in the photoacoustic signal waveform. The spectrometer and sample cell are described, and an experimental evaluation of the system performance is given.
John F Mcclelland
exaly   +3 more sources

Optimization of a Microphone for Photoacoustic Spectroscopy

Applied Spectroscopy, 2003
The principles of optimizing a microphone for a photoacoustic detector in the nonresonant mode of operation are presented. Performance of the constructed optical cantilever microphone is compared to the commercial electret microphone by measuring the photoacoustic spectrum of methane with both systems.
Klaus M Wilcken, Jyrki Kauppinen
exaly   +3 more sources

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