Photoacoustic effect, principles and applications

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This book provides a comprehensive overview of the photoacoustic effect and its applications across various fields. It begins with foundational principles, detailing the historical development of the photoacoustic effect in condensed matter and introducing opto-acoustic spectroscopy as a method for studying optical spectra of transparent materials. The text explores thermodynamic models and frequency-dependent photoacoustic spectroscopy, comparing it with other spectroscopic methods. It covers the generation of acoustic waves in liquids using pulsed lasers and the role of piezoelectric detection in photoacoustic spectroscopy. The book also delves into diverse spectroscopic applications, including resonant photoacoustic spectroscopy and quantitative analysis of compounds in various matrices. It highlights the use of photoacoustic detection for monitoring chemical reactions and exhaust gas concentrations. Thermal applications are examined, focusing on measuring optical absorption coefficients and thermal properties of liquids, as well as the photoacoustic effect during phase transitions. The photochemistry section discusses the study of bacteriorhodopsin and other dyes through photoacoustic methods. Additionally, the text addresses nondestructive testing techniques, magnetic resonance applications, and the necessary instrumentation for photoacoustic spectroscopy and calorimetry. It concludes with practical insights into desig