Design, characterization, and applications of a photoacoustic cell for temperature and atmosphere control
MM Thompson, RA Palmer - Analytical Chemistry, 1988 - ACS Publications
A photoacousticcell designed for controlled temperature operation up to 500 C with a
flowing coupling gas Is described. The compact design and the easy access to the cell …
flowing coupling gas Is described. The compact design and the easy access to the cell …
Photoacoustic probe for spectroscopic measurements in condensed matter: convenient and corrosion-resistant
EPC Lai, E Voigtman, JD Winefordner - Applied Optics, 1982 - opg.optica.org
A simple effective photoacoutic probe employing the acoustic waveguide effect in quartz
substrate is described. The photoacoustic probe consists of a quartz rod to the upper end of …
substrate is described. The photoacoustic probe consists of a quartz rod to the upper end of …
Laser photoacoustic spectroscopy: A powerful tool for trace gas measurements
DC Dumitras - 17th Congress of the International Commission …, 1996 - spiedigitallibrary.org
Laser photoacoustic spectroscopy (LPAS) is one of the most sensitive calorimetric
techniques that consists in energy conversion from modulated excitation radiation (laser) to …
techniques that consists in energy conversion from modulated excitation radiation (laser) to …
Measuring the optical parameters of weakly absorbing, highly turbid suspensions by a new technique: photoacoustic detection of scattered light
We present and apply a novel method, the scattering photoacoustic (SPA) technique, for
measuring optical parameters in weakly absorbing, highly scattering suspensions. In this …
measuring optical parameters in weakly absorbing, highly scattering suspensions. In this …
Simple sample cell for examination of solids and liquids by photoacoustic spectroscopy
RC Gray, VA Fishman, AJ Bard - Analytical Chemistry, 1977 - ACS Publications
A photoacoustic spectrometer assembled from available components with a sample cell
utilizing an Inexpensive microphone and Integral preamplifier Is described. The performance …
utilizing an Inexpensive microphone and Integral preamplifier Is described. The performance …
Determination of the absolute quantum efficiency of luminescence of solid materials employing photoacoustic spectroscopy
MJ Adams, JG Highfield, GF Kirkbright - Analytical Chemistry, 1980 - ACS Publications
Photoacoustic spectroscopy is employed as a calorimetric method for the determination of
the luminescent quantum efficiency of several solid materials: tetraphenylbutadiene (TPB) …
the luminescent quantum efficiency of several solid materials: tetraphenylbutadiene (TPB) …
Effect of particle size and modulation frequency on the photoacoustic spectra of silica powders
RS Pandurangi, MS Seehra - Analytical Chemistry, 1990 - ACS Publications
0.34-0.42. The anomalous positive frequency dependence of I on the modulation frequency f
observed for the stronger bands In the 45-µ and 260-µ particles Is believed to result from …
observed for the stronger bands In the 45-µ and 260-µ particles Is believed to result from …
Frequency analysis of pulsed optoacoustic signals and the application to chemical analysis
MR Fisher, DM Fasano, NS Nogar - Applied Spectroscopy, 1982 - opg.optica.org
The optoacoustic signal generated via pulsed laser excitation-transducer detection is
frequency analyzed via a discrete Fourier transform. The frequency spectrum is found to …
frequency analyzed via a discrete Fourier transform. The frequency spectrum is found to …
[引用][C] Low‐cost data‐acquisition and processing system for photoacoustic spectroscopy
NA McAskill - Review of Scientific Instruments, 1986 - pubs.aip.org
BRIEF DIGITAL NOTES Page 1 BRIEF DIGITAL NOTES Brief Digital Notes are extended
abstracts (approximately 300 words) indicating succinctly the significant features of ~ useful …
abstracts (approximately 300 words) indicating succinctly the significant features of ~ useful …
Laser-based photoacoustic densitometer for two-dimensional scanning of thin-layer chromatographic plates
H Kawazumi, ES Yeung - Applied spectroscopy, 1989 - opg.optica.org
Laser-based photoacoustic densitometry was applied to two-dimensional analysis in thin-
layer chromatography. An acousto-optic device was used to provide both intensity …
layer chromatography. An acousto-optic device was used to provide both intensity …