Measurement of coherent polarisation relaxation times in condensed media using femtosecond interferometric spectroscopy

An ultrafast spectrometer with a temporal resolution of 20 fs for studying the polarisation wave interference in condensed matter upon resonance excitation by femtosecond laser pulses is described. The transverse relaxation times T{sub 2} < 20 and 50 fs are measured in optical media with consider...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2001-05, Vol.31 (5), p.393-394
Main Authors: Kompanets, V O, Matveets, Yu A, Chekalin, Sergei V
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ATOMIC AND MOLECULAR PHYSICS
ENERGY-LEVEL TRANSITIONS
EXCITATION
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
INTERFERENCE
LASERS
MEASURING INSTRUMENTS
POLARIZATION
PULSES
RELAXATION
RESOLUTION
RESONANCE
SPECTROMETERS
SPECTROSCOPY
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Description
Summary:An ultrafast spectrometer with a temporal resolution of 20 fs for studying the polarisation wave interference in condensed matter upon resonance excitation by femtosecond laser pulses is described. The transverse relaxation times T{sub 2} < 20 and 50 fs are measured in optical media with considerably different inhomogeneous broadenings. (femtosecond technologies)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2001v031n05ABEH001962