Glass, Volume 1Minoru Tomozawa, Robert H. Doremus |
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Page 95
... darkening that could be achieved was found to depend strongly on the composition , with the maxi- mum darkening being obtained when the cadmium oxide concentration was 60 mole % . At constant cadmium oxide percentage , the photochromic ...
... darkening that could be achieved was found to depend strongly on the composition , with the maxi- mum darkening being obtained when the cadmium oxide concentration was 60 mole % . At constant cadmium oxide percentage , the photochromic ...
Page 101
... darkening sensitivity , but only in the presence of copper . The choice of halogen strongly affects photochromic properties . The fun- damental absorption edge of the silver halide , and therefore the darkening sensitivity , extends to ...
... darkening sensitivity , but only in the presence of copper . The choice of halogen strongly affects photochromic properties . The fun- damental absorption edge of the silver halide , and therefore the darkening sensitivity , extends to ...
Page 102
... darken nor bleach significantly in response to some narrow interval of " neutral " wavelengths in the green part of the spectrum . The speed of darkening and the equilibrium darkening are closely related to the intensity of the ...
... darken nor bleach significantly in response to some narrow interval of " neutral " wavelengths in the green part of the spectrum . The speed of darkening and the equilibrium darkening are closely related to the intensity of the ...
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