Glass, Volume 1Minoru Tomozawa, Robert H. Doremus |
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Page 159
... ( Brillouin scattering ) and scattering by nonpropa- gating diffusive fluctuations ( Rayleigh scattering ) are the two processes . The former was first predicted by Brillouin ( 1922 ) who suggested that light should be inelastically ...
... ( Brillouin scattering ) and scattering by nonpropa- gating diffusive fluctuations ( Rayleigh scattering ) are the two processes . The former was first predicted by Brillouin ( 1922 ) who suggested that light should be inelastically ...
Page 202
... Brillouin Scattering in Glasses The Brillouin spectrum of the scattered light from thermal phonons allows the evaluation of the phase velocity of sound from the shift and the acoustic absorption from the linewidth . Thus , thermal ...
... Brillouin Scattering in Glasses The Brillouin spectrum of the scattered light from thermal phonons allows the evaluation of the phase velocity of sound from the shift and the acoustic absorption from the linewidth . Thus , thermal ...
Page 205
... Brillouin scattering to measure phonon lifetimes in fused silica at temperatures down to 2.4 K. They conclude from their measurements that longitudinal phonons ( v ~ 33 GHz ) are well - defined ex- citations whose lifetimes increase as ...
... Brillouin scattering to measure phonon lifetimes in fused silica at temperatures down to 2.4 K. They conclude from their measurements that longitudinal phonons ( v ~ 33 GHz ) are well - defined ex- citations whose lifetimes increase as ...
Contents
Text | 8 |
Ultraviolet Absorption | 10 |
Visible Absorption | 35 |
Copyright | |
49 other sections not shown
Common terms and phrases
absorption alkali anisotropic annealing applications assumed atoms band birefringence bleaching bond Bray Brillouin calculations caused Ceram charge Chem coefficient color composition concentration considered constant containing coordination copper crystal crystalline curve darkening density dependence described detailed determined dielectric diffusion discussed distribution effect electron energy equilibrium et al experimental fading field Figure fluctuations frequency function given gives heat heat treatment hole increase indicated intensity ions levels light liquid material measured microstructural mole negative birefringence observed obtained optical oxide oxygen particles phase photochromic Phys polarization positive present produce range ratio reduced relaxation reported respectively sample scattering separation shift shown in Fig shows silicate glasses silver halide similar SiO2 sodium Solids spectra spectrum strain stress stretching structural studied Taylor techniques temperature term thermal tion transition trapped viscosity wavelengths York