Glass, Volume 1 |
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Page 67
Florinskaya and Pechenkina ( 1953 ) have concluded that sodium disilicate
crystallites form in glasses beyond 33 mole % range of Na2O but this has not
been substantiated . It has been shown , however , that the vibrational spectra of
alkali ...
Florinskaya and Pechenkina ( 1953 ) have concluded that sodium disilicate
crystallites form in glasses beyond 33 mole % range of Na2O but this has not
been substantiated . It has been shown , however , that the vibrational spectra of
alkali ...
Page 80
The typical transmission range of pure sulfide glasses is 0 . 6 - 11 . 5 um ,
selenides 1 - 15 um and tellurides 2 – 20 um ( Wong and Angell , 1971 ) . Hilton
et al . ( 1966a , b ) have been able to develop Se and Ge ternary glasses for use
as ir ...
The typical transmission range of pure sulfide glasses is 0 . 6 - 11 . 5 um ,
selenides 1 - 15 um and tellurides 2 – 20 um ( Wong and Angell , 1971 ) . Hilton
et al . ( 1966a , b ) have been able to develop Se and Ge ternary glasses for use
as ir ...
Page 158
The liquids that were studied were triacetin and chloroethyl ether ( B - ether ) in
the temperature range from 200 to 300 K . Scattering in fused silica was also
included for this temperature range . At the higher temperature end ( > 250 K )
both ...
The liquids that were studied were triacetin and chloroethyl ether ( B - ether ) in
the temperature range from 200 to 300 K . Scattering in fused silica was also
included for this temperature range . At the higher temperature end ( > 250 K )
both ...
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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