NDLI: Variable microwave time delay by utilizing optical approaches

Content Provider	IEEE Xplore Digital Library
Author	Udvary, E. Jakab, L. Berceli, T.
Copyright Year	2010
Description	Author affiliation: Broadband Infocomunication and Electromagnetic Theory, Budapest University of Technology and Economics, Budapest, Hungary (Udvary, E.; Jakab, L.; Berceli, T.)
Abstract	A new method is presented for establishing variable microwave time delay utilizing optical approaches. In many applications there is a need for a significant time delay which cannot be established by microwave methods. The optical fiber can offer a substantial time delay which can be utilized by converting the microwave signal into the optical domain and after the proper delay it is converted back to microwave. By choosing the fiber length the necessary microwave delay can be adjusted. The main contribution is the variation of the delay. That is achieved by applying a dispersive fiber and a tunable laser. When the laser wavelength is changed the delay is varied due to the fiber dispersion. That new approach is very advantageous for beam steering of phased array antennas.
Starting Page	1
Ending Page	4
File Size	299285
Page Count	4
File Format	PDF
ISBN	9781424452880
e-ISBN	9781424459148
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-14
Publisher Place	Lithuania
Access Restriction	Subscribed
Rights Holder	Geozondas Co.
Subject Keyword	Delay effects Microwave theory and techniques Fiber lasers Masers Phased arrays Optical fibers Dispersion Tunable circuits and devices Laser transitions Propagation delay Variable time delay Microwave delay Optical disperion
Content Type	Text
Resource Type	Article

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