Title :
Performance issues with photonic beamformers
Author :
Tur, M. ; Yaron, L. ; Raz, O. ; Rotman, R.
Author_Institution :
Tel Aviv Univ., Tel Aviv, Israel
Abstract :
A photonic beamformer is presented, having smooth behavior. Third-order nonlinearities, resulting from its optoelectronic components, are investigated, with emphasis on their impact on the contrast of imaging radars. This contrast is shown to be severely limited by the induced RF nonlinearities. Limitations on the allowable modulation index are studied for linearly-chirped pulses returned from clutter.
Keywords :
optical fibre networks; imaging radars; linearly-chirped pulses; optoelectronic components; photonic beamformers; third-order nonlinearities; Delay; Laser tuning; Nonlinear optics; Optical films; Optical filters; Optical imaging; Optical modulation; Optical wavelength conversion; Radio frequency; Transfer functions; delay-lines; imaging radar; nonlinearities; photonic beamformers;
Conference_Titel :
Microwaves, Communications, Antennas and Electronics Systems, 2009. COMCAS 2009. IEEE International Conference on
Conference_Location :
Tel Aviv
Print_ISBN :
978-1-4244-3985-0
DOI :
10.1109/COMCAS.2009.5385983
