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Recent Developments In Photoacoustic Spectroscopy

Photoacoustic spectroscopy uses optically induced heat fluxes to characterise chromophore type and distribution in solids. Recent developments extending the range of the technique are described in this paper. In particular, the use of optical detection schemes for non-contacting photoacoustic spectroscopy, and the use of impulse response photoacoustic spectroscopy for the study of chromophore distribution.