10 June 1994 Coherent rf signal combining in phased array using photonic techniques
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Abstract
Fiber optic RF distribution of signals has many attractive features but can be problematic when the combining function of an array is attempted at optical frequencies. A photodiode array is described that permits the simultaneous detection of RF modulation in optical links and the combining of the resultant RF signals in a coherent fashion. A small photodiode array was built and tested in a phased array to demonstrate beam formation.
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Leon Green, Joseph Preiss, Sears William Merritt, Glen W. Drake, "Coherent rf signal combining in phased array using photonic techniques", Proc. SPIE 2155, Optoelectronic Signal Processing for Phased-Array Antennas IV, (10 June 1994); doi: 10.1117/12.177411; https://doi.org/10.1117/12.177411
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