PHOTOTHERMAL EXCITATION OF ELASTIC WAVES BY 10 ns LASER PULSES AND DETECTION BY PHOTOELASTIC LASER-BEAM DEFLECTION G.C. Wetsel, Jr., S.A. Stotts et C.G. Clark J. Phys. Colloques, 44 C6 (1983) C6-67-C6-71 DOI: 10.1051/jphyscol:1983610