Cruz, J.L., Ortega, B., Andres, M.V., Gimeno, B., Pastor, D., Capmany, J. and Dong, L.
Chirped fibre Bragg gratings for phased-array antennas
Electronics Letters, 33, (7), . (doi:10.1049/el:19970407).
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A variable delay line for phased-array antennas based on a chirped fibre Bragg grating is demonstrated. The time delay of a microwave modulating signal is modified by scanning in wavelength a chirped grating. In this initial experiment, time delay variations up to 556ps have been achieved using a grating of 0.4nm bandwidth and 6cm length and modulating in the frequency range 390MHz-5.20GHz.
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