Same as photoacoustic spectroscopy.
Note:
Frequently used to denominate the @L03459@-induced production of acoustic waves combined with a piezoelectric detector and distinguish it from the amplitude-modulated excitation combined with a gas-coupled microphone as detector.
Source:
PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 379 (https://doi.org/10.1351/pac200779030293)