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12 May 2006 RF chirp extension via time division multiplexing
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A novel method incorporating time division multiplexing technique with optical parabolic phase modulation has been introduced to overcome the limitations on optical generation of chirped RF signals. Extension of the frequency span and frequency sweep time of a RF chirp signal has been experimentally realized. A chirped RF signal with a center frequency of 100 MHz, frequency span of 20 MHz and sweep time of 200 ns has been generated via this novel method. This chirp signal agrees well with the chirp signal generated by conventional methods.
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Sarper Ozharar, Sangyoun Gee, Frank Quinlan, and Peter J. Delfyett Jr. "RF chirp extension via time division multiplexing", Proc. SPIE 6243, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications II, 62430W (12 May 2006);

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