D.B. Hunter

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A continuously variable true-time delay beamformer based on a multichannel chirped fiber grating (MCFG) is demonstrated. The beamformer is capable of wide-band squint-free operation and demonstrates beam steering of a four-element array over /spl plusmn/40/spl deg/. The use of an MCFG provides a significant reduction in the length of the chirped grating(More)
A widely tunable RF photonic filter based on a multichannel chirped fiber Bragg grating (MCFG) is demonstrated. This topology is capable of producing continuously tunable high-frequency responses using narrow-band tunable laser sources without introducing spurious signals within the designed passband. Similar filters utilizing single-channel dispersion may(More)
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