Patent ID: 6584260
Filing Date: 2003-06-24
Classification: G01N,G02F

Abstract:
A method affecting the propagation of input light, the method comprising the steps of:(i) passing the input light through an electro-optical device composed of at least one domain-patterned ferroelectric crystal structure with inverted domains, and an electrodes' arrangement on the surface of the at least one structure connected to a voltage source; and (ii) applying voltage to the electrodes, thereby causing at least one of the following: deflecting a light component of a predetermined wavelengths contained in the input light from the direction of propagation of the input light so as to direct said light component in a reflection output direction, while allowing the other light components to propagate in said direction of propagation of the input light; changing the phase of the input light in a wavelength-dependent manner; and separately controlling the wavelength-dependent transmission and dispersion for different polarizations of light.