Fiber optic signal processing of ultrawideband signals

Ronald F. Mathis; William L. Floyd; Stephen A. Pappert; Richard Joseph Orazi

doi:10.1117/12.330385

3 November 1998 Fiber optic signal processing of ultrawideband signals

Ronald F. Mathis, William L. Floyd, Stephen A. Pappert, Richard Joseph Orazi

Proceedings Volume 3463, Photonics and Radio Frequency II; (1998) https://doi.org/10.1117/12.330385
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Two L-band phase-matched fiber optic delay line channels and a broadband fiber optic RF signal processing filter have been designed, fabricated, tested, and evaluated. These two related RF photonic system development efforts are potentially useful in ELINT signal processing of ultrawideband signal. Specifically, two high performance optical delay lines operating at 1 GHz with a 500 MHz bandwidth have been prototype and show prototyped and show improved dynamic range and environmental phase tracking performance over conventional SAW delay lines. In addition, an eight-tap fiber optic transversal filter using wavelet amplitude weighting has been designed, fabricated, and tested in the 50 MHz to 20 GHz frequency range. A high pass wavelet filter useful for ultrawideband signal detection has been optically implemented, and test result presented for sensitivity and dynamic range are promising.

Citation Download Citation

Ronald F. Mathis, William L. Floyd, Stephen A. Pappert, and Richard Joseph Orazi "Fiber optic signal processing of ultrawideband signals", Proc. SPIE 3463, Photonics and Radio Frequency II, (3 November 1998); https://doi.org/10.1117/12.330385

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