photoacoustic spectroscopy

https://doi.org/10.1351/goldbook.P04576
A spectroscopic technique based on the @[email protected] A photoacoustic spectrum consists of a plot of the intensity of the acoustic signal detected by a microphone or a 'piezoelectric' detector, against the excitation @[email protected] or another quantity related to the photon energy of the modulated excitation.
See also:
isooptoacoustic point
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2259 [Terms] [Paper]