Instability of moving gratings in photorefractive crystals

✍ Scribed by B. I. Sturman; M. Mann; K. H. Ringhofer

• Book ID: 104733690
• Publisher: Springer
• Year: 1992
• Tongue: English
• Weight: 618 KB
• Volume: 55
• Category: Article
• ISSN: 1432-0630
• DOI: 10.1007/bf00348391

✦ Synopsis

It is shown that a moving intensity grating in a photorefractive crystal with a sufficiently large lifetimemobility product can give rise to an instability against excitation of weakly damped space-charge waves. Increments and threshold of the instability are investigated for the threedimensional case. Subharmonics and other nonlinear scenarios of saturation are discussed.