## Glass, Volume 1 |

### From inside the book

Results 1-3 of 10

Page 116

bleaching , if it is present , occurs by the optical stimulation of a

an allowed band followed by recombination of the free carrier with a

carrier of opposite sign . By contrast , thermal bleaching never involves free

carriers ...

bleaching , if it is present , occurs by the optical stimulation of a

**trapped**carrier toan allowed band followed by recombination of the free carrier with a

**trapped**carrier of opposite sign . By contrast , thermal bleaching never involves free

carriers ...

Page 117

THE GENERATING FUNCTION The diffusion equation to be considered is do = D

Vp + G ( I , t , q ) + R ( t , q ) ( 8 ) R ( t , q ) represents the recombination of

holes and

THE GENERATING FUNCTION The diffusion equation to be considered is do = D

Vp + G ( I , t , q ) + R ( t , q ) ( 8 ) R ( t , q ) represents the recombination of

**trapped**holes and

**trapped**electrons and is , of course , a function of the separation ...Page 118

where A , is the initial number of cuprous ions , and Sp dv is the general

expression for the number of cupric ions formed ( also the number of

electrons ) . For convenience , one can separate out explicitly the coordinate

dependence of ...

where A , is the initial number of cuprous ions , and Sp dv is the general

expression for the number of cupric ions formed ( also the number of

**trapped**electrons ) . For convenience , one can separate out explicitly the coordinate

dependence of ...

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Other editions - View all

### Common terms and phrases

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