Abstract
Equations that describe the formation of space charge in a photoconducting polymer are presented. The equations are written in a non-dimensional form that includes the electric field dependence of charge generation efficiency, charge mobility, recombination rate, and trapping rate. The equations are solved numerically for the condition of illumination with an intensity distribution that varies sinusoidally with position. The effect of traps on the formation of a space-charge grating is modeled. Finally the erasure of the space-charge grating by uniform illumination is considered.
© 1992 Optical Society of America
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