Glass, Volume 1 |
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Page 134
5 um in diameter . structural birefringence in the sample glass was measured
with a polarimeter at room temperature . Then , ( 4 ) the samples were subjected
to another heat treatment at 564°C for various lengths of time , hereafter called ...
5 um in diameter . structural birefringence in the sample glass was measured
with a polarimeter at room temperature . Then , ( 4 ) the samples were subjected
to another heat treatment at 564°C for various lengths of time , hereafter called ...
Page 145
After the sample glasses were stretched at 900°C for 5 min and annealed , they
report that the structural birefringence often reached the order of 20 , 000 nm / cm
. The birefringence change of these samples was measured as a function of heat
...
After the sample glasses were stretched at 900°C for 5 min and annealed , they
report that the structural birefringence often reached the order of 20 , 000 nm / cm
. The birefringence change of these samples was measured as a function of heat
...
Page 213
Typical values of the Pij and Ci ; for select glass samples are given in Table VI .
Once the elastic constants for a glass have been determined from Brillouin
scattering data a number of related constants may be calculated . Namely , the ...
Typical values of the Pij and Ci ; for select glass samples are given in Table VI .
Once the elastic constants for a glass have been determined from Brillouin
scattering data a number of related constants may be calculated . Namely , the ...
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absorption alkali annealing applied assumed atoms band birefringence bleaching bond borate glasses Bray Brillouin calculations caused Ceram charge Chem coefficient color composition concentration conductivity considered constant containing coordination copper crystal crystalline curve darkening density dependence described detailed determined dielectric diffusion discussed distribution effect electron energy equation equilibrium et al experimental fading field fluctuations frequency function given gives heat treatment hole increased indicated intensity ions levels light liquid material measured mole negative observed obtained optical oxide oxygen particles phase photochromic Phys polarization positive present probably produce properties range ratio reduced relaxation reported respectively sample scattering separation shift shown in Fig silicate glasses silver halide similar SiO2 sodium Solids spectra spectrum strain stretching structural studied Taylor techniques temperature term thermal tion transition trapped units unpublished wavelengths York