Growth-induced striations in photorefractive media scatter transmitted light, degrading their performance in holographic applications. We model this phenomenon by considering the striations to be a permanent hologram within a medium and compare it with experimental results in a striated strontium barium niobate crystal. We show that the construction of the phase-conjugate signal beam by a phase conjugate of the transmitted reference beam alleviates the effects of distortions that are due to striations.
© 1992 Optical Society of America
Original Manuscript: April 20, 1992
Published: August 15, 1992
M. C. Bashaw, A. Aharoni, and L. Hesselink, "Alleviation of image distortion due to striations in a photorefractive medium by using a phase-conjugated reference wave," Opt. Lett. 17, 1149-1151 (1992)