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Proceedings Paper

Photonically enabled RF spectrum analyzer demonstration
Author(s): Elizabeth T. Kunkee; Ken Tsai; Andrew D. Smith; T. Jung; Larry Lembo; Richard Davis; W. Randall Babbitt; R. Krishna-Mohan; Zachary Cole; Kristian D. Merkel; Kelvin H. Wagner
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Paper Abstract

A RF spectrum analyzer with high performance and unique capabilities that traditional all-electronic spectrum analyzers do not exhibit is demonstrated. The system is based on photonic signal processing techniques that have enabled us to demonstrate the spectral analysis of a 1.5 GHz bandwidth with a 1.4 ms update time and a resolution bandwidth of 31 kHz. We observed a 100% probability of intercept for all signals, including short pulses, during the measurement window. The spectrum analyzer operated over the 0.5 to 2.0 GHz range and exhibited a spur-free dynamic range of 42 dB. The potential applications of such a system are extensive and include: detection and location of transient electromagnetic signals, spectrum monitoring for adaptive communications such as spectrum-sensing cognitive radio, and battlefield spectrum management.

Paper Details

Date Published: 23 April 2008
PDF: 12 pages
Proc. SPIE 6975, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications IV, 697506 (23 April 2008); doi: 10.1117/12.777222
Show Author Affiliations
Elizabeth T. Kunkee, Northrop Grumman Space Technology (United States)
Ken Tsai, Northrop Grumman Space Technology (United States)
Andrew D. Smith, Northrop Grumman Space Technology (United States)
T. Jung, Northrop Grumman Space Technology (United States)
Larry Lembo, Northrop Grumman Space Technology (United States)
Richard Davis, Northrop Grumman Space Technology (United States)
W. Randall Babbitt, Montana State Univ., Bozeman (United States)
R. Krishna-Mohan, Montana State Univ., Bozeman (United States)
Zachary Cole, Scientific Materials (United States)
Kristian D. Merkel, S2 Corp. (United States)
Kelvin H. Wagner, Univ. of Colorado, Boulder (United States)


Published in SPIE Proceedings Vol. 6975:
Enabling Photonics Technologies for Defense, Security, and Aerospace Applications IV
Michael J. Hayduk; Peter J. Delfyett; Andrew R. Pirich; Eric J. Donkor, Editor(s)

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