Diffraction cancellation over multiple wavelengths in photorefractive dipolar glasses

• DOI: 10.1364/oe.19.024109
• Publication Date: 2011-11-10T23:46:53Z
• Authors: J. Parravicini; F. Di Mei; C. Conti; A. J. Agranat; E. DelRe
• Keywords: Diffraction efficiency

We report the simultaneous diffraction cancellation for beams of different wavelengths in out-of-equilibrium dipolar glass.The effect is supported by photorefractive diffusive nonlinearity and scale-free optics, can find application imaging microscopy.