Time-domain interferometry for direct electric field reconstruction of mid-infrared femtosecond pulses

Time-domain interferometry for direct electric field reconstruction of mid-infrared femtosecond pulses

Mid-infrared ultrashort pulses of 9.2-microm center wavelength are characterized in both amplitude and phase. This is achieved by use of a variant of spectral phase interferometry for direct electric field reconstruction in which spectral interferometry has been replaced with time-domain interferome...

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Bibliographic Details
Published in:Optics letters 2003-10, Vol.28 (19), p.1826-1828
Main Authors: Ventalon, Cathie, Fraser, James M, Joffre, Manuel
Format: Article
Language:eng
Subjects:
Electricity
Infrared Rays
Interferometry - methods
Models, Theoretical
Optics
Physics
Time Factors
Online Access:Get full text
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Summary:Mid-infrared ultrashort pulses of 9.2-microm center wavelength are characterized in both amplitude and phase. This is achieved by use of a variant of spectral phase interferometry for direct electric field reconstruction in which spectral interferometry has been replaced with time-domain interferometry, a technique that is well suited for infrared pulses. The setup permits simultaneous recording of the second-order interferometric autocorrelation, thus providing an independent check on the retrieved spectral phase.
ISSN:0146-9592
1539-4794