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Ultrawide-band fiber-optic control of a millimeter-wave transmit beamformer

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2 Author(s)
Tulchinsky, D.A. ; Opt. Sci. Div., US Naval Res. Lab., Washington, DC, USA ; Matthews, P.J.

An ultrawide-band fiber-optic true time-delay millimeter-wave array transmitter is fully characterized and demonstrated in this paper. The beamformer is based on dispersive-prism optical-delay lines and exhibits squint-free ±60° steering in azimuth across the entire Ka-band (26.5-40 GHz). This is believed to be the first fully functioning demonstration of a photonically controlled wide-band millimeter-wave transmitter system

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:49 ,  Issue: 7 )