Abstract
We report multiple beam transmission and reception of an X-band phased
antenna array utilizing highly dispersive photonic crystal fiber (PCF), which
has a dispersion value of -600 ps/nm/km at 1550 nm, as true-time-delay
(TTD) elements. In the transmission mode, two RF signals with frequencies
8.4 and 12 GHz are simultaneously steered at angles 7.4 and 21.2 degrees,
respectively. In the receiving mode experiment, two RF signals with frequencies
8.4 and 12 GHz impinging upon an X-band antenna array from angles -7.4 and -21.2 degrees, respectively,
are detected and the angles of arrival are determined accurately. Many RF
beams can be simultaneously transmitted or received. The demonstration is
only limited by the hardware availability and the bandwidth of the wavelength
differentiation capability of the system.
© 2008 IEEE
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