Title :
Beam coupling and programmable edge enhancement in photorefractive polymers
Author :
Banerjee, P.P. ; Gad, E. ; Miyazaki, D. ; Ozaki, S. ; Matsushita, K.
Author_Institution :
Dept. of Electr. & Comput. Eng., Alabama Univ., Huntsville, AL, USA
Abstract :
In energy exchanging photorefractive polymers, we analyze the dependence of the induced change in refractive index on the initial two-wave intensity ratio and the gain coefficient. Using this, we demonstrate programmable edge enhancement.
Keywords :
holography; image enhancement; multiwave mixing; optical information processing; optical polymers; photorefractive materials; beam coupling; energy exchanging photorefractive polymers; gain coefficient; hologram writing; image edge enhancement; induced refractive index change; initial two-wave intensity ratio; programmable edge enhancement; two-wave coupling; Energy exchange; Equations; Intensity modulation; Optical coupling; Optical materials; Optical modulation; Photorefractive effect; Photorefractive materials; Polymers; Refractive index;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 2000. Technical Digest
Conference_Location :
Kaua´i-Lihue, HI, USA
Print_ISBN :
1-55752-646-X
DOI :
10.1109/NLO.2000.883663
