Title :
Variable true time delay realized with acousto-optics and liquid crystal spatial light modulator
Author :
Reményi, Judit ; Maak, Pál ; Frigyes, István ; Jakab, Laszlo ; Richter, Péter
Author_Institution :
Budapest Univ. of Technol. & Econ., Hungary
Abstract :
Optical heterodyne acousto-optic delay line applying frequency dependent phase shift provided by liquid crystal spatial light modulator is presented. We experimentally demonstrate continuously variable true time delay of 1 μs long microwave pulses between ±300 ns.
Keywords :
acousto-optical deflectors; high-speed optical techniques; liquid crystal devices; microwave photonics; optical delay lines; spatial light modulators; 1 mus; frequency dependent phase shift; liquid crystal spatial light modulator; microwave pulses; optical heterodyne acoustooptic delay line; variable true time delay; Acoustic beams; Delay effects; Frequency; Liquid crystals; Optical mixing; Optical modulation; Optical polarization; Phase modulation; Phased arrays; Stimulated emission;
Conference_Titel :
Microwave Photonics, 2003. MWP 2003 Proceedings. International Topical Meeting on
Print_ISBN :
0-7803-8691-4
DOI :
10.1109/MWP.2003.1422856