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Frequency spectrum of focused broadband pulses of electromagnetic radiation generated by polarization currents with superluminally rotating distribution patterns.

Abstract:

We investigate the spectral features of the emission from a superluminal polarization current whose distribution pattern rotates (with an angular frequency omega) and oscillates (with a frequency omega > omega differing from an integral multiple of omega) at the same time. This type of polarization current is found in recent practical machines designed to investigate superluminal emission. Although all of the processes involved are linear, we find that the broadband emission contains frequ...

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Publication status:
Published

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Publisher copy:
10.1364/josaa.20.002137

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Publisher:
Optical Society of American (OSA)
Journal:
Journal of the Optical Society of America. A, Optics, image science, and vision
Volume:
20
Issue:
11
Pages:
2137-2155
Publication date:
2003-11-05
DOI:
EISSN:
1520-8532
ISSN:
1084-7529
URN:
uuid:acadd20f-a0e2-4190-9637-073cd66ce607
Source identifiers:
14027
Local pid:
pubs:14027
Language:
English

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