Switchless hybrid analog-digital variable optical delay line for radio frequency signal processing

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dc.contributor.author Riza, Nabeel A.
dc.date.accessioned 2020-06-11T12:08:14Z
dc.date.available 2020-06-11T12:08:14Z
dc.date.issued 2009-03-01
dc.identifier.citation Riza, N. A. (2009) 'Switchless hybrid analog-digital variable optical delay line for radio frequency signal processing', Optical Engineering 48(3), 035005, (4 pp). doi: 10.1117/1.3101455 en
dc.identifier.volume 48 en
dc.identifier.issued 3 en
dc.identifier.startpage 1 en
dc.identifier.endpage 4 en
dc.identifier.issn 0091-3286
dc.identifier.uri http://hdl.handle.net/10468/10140
dc.identifier.doi 10.1117/1.3101455 en
dc.description.abstract The author proposes the design of a novel switchless variable optical delay line (VFODL) for radio frequency (rf) signals that combines an analog mode VFODL with a discrete-state VFODL. This hybrid VFODL proposes the use of a laser with smart, fast (e.g., 1 ns) wavelength tuning in combination with flat-top passband design spatially and temporally dispersive optical elements to simultaneously provide both long and short time delays, thus finely covering a wide nanoseconds delay range. An example design indicates a 9.6-ns time delay range with 6-ps increments, giving 1600 independent delays using a no-moving-parts signal-processing structure. VFODL applications include rf antenna array processing, radar testing, and precision electrical timing systems. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Society of Photo-Optical Instrumentation Engineers (SPIE) en
dc.rights © 2009 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. en
dc.subject Delay lines en
dc.subject rf photonics en
dc.subject Phased array antenna controls en
dc.subject Fiber optics en
dc.subject Wavelength division multiplexing en
dc.subject Single mode fibers en
dc.subject Analog electronics en
dc.subject Phased arrays en
dc.subject Antennas en
dc.subject Fiber Bragg gratings en
dc.subject Hybrid optics en
dc.title Switchless hybrid analog-digital variable optical delay line for radio frequency signal processing en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Nabeel Riza, Electrical & Electronic Engineering, University College Cork, Cork, Ireland. +353-21-490-3000 Email: n.riza@ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Optical Engineering en
dc.internal.IRISemailaddress n.riza@ucc.ie en
dc.identifier.articleid 035005 en
dc.identifier.eissn 1560-2303

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