ABSOLUTE MEASUREMENT OF OPTICAL ATTENUATION USING PHOTOTHERMAL LASER-BEAM-DEFLECTION SPECTROSCOPY G. C. Wetsel, Jr. et S. A. StottsJ. Phys. Colloques, 44 C6 (1983) C6-215-C6-219DOI: https://doi.org/10.1051/jphyscol:1983633