Journal ArticleDOI
Femtosecond-resolution pulse-front distortion measurement by time-of-flight interferometry.
TLDR
In this paper, a Michelson interferometer is used as a temporal reference level to map contour lines of equal propagation time on the plane pulse front surface, and the measured value of pulse-front distortion in a telescope (1.1 psec) is in good agreement with the calculated data.Abstract:
The pulse-front distortion occurring in lenses and lens systems has been measured by a Michelson interferometer. In this technique the plane pulse front from one arm of the interferometer is used as a temporal reference level to map contour lines of equal propagation time on the pulse-front surface. The experimental arrangement is capable of detecting pulse-front distortion with a resolution of 20 fsec, and this can be improved to approximately 1 fsec. The measured value of pulse-front distortion in a telescope (1.1 psec) is in good agreement with the calculated data.read more
Citations
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Journal ArticleDOI
Characterization of ultrashort electromagnetic pulses
TL;DR: In this paper, a review of advances made in the latter field over this period, indicating the general principles involved, how these have been implemented in various experimental approaches, and how the most popular methods encode the temporal electric field of a short optical pulse in the measured signal and extract the field from the data.
Journal ArticleDOI
Directly measuring the spatio-temporal electric field of focusing ultrashort pulses
TL;DR: This work presents the first technique for directly measuring the spatio-temporal intensity and phase of a train of ultrashort pulses at and near a focus using an experimentally simple and high-spectral resolution variant of spectral interferometry (SEA TADPOLE).
Journal ArticleDOI
Broadband frequency doubler for femtosecond pulses
Gábor Szabó,Zsolt Bor +1 more
TL;DR: In this article, a highly efficient frequency doubler for femtosecond pulses was developed, and the design aspects of the doubler were discussed, as well as experimental results testing with 300 fs, 496 nm pulses showed no spectral narrowing.
Journal ArticleDOI
Distortion of femtosecond pulses in lenses. Wave optical description
Zsolt Bor,Zoltan L. Horvath +1 more
TL;DR: In this paper, the propagation and distortion of a 100 fs long pulse in a silica lens was described using wave optical theory and a fifty-fold increase of the pulse duration was calculated.
Journal ArticleDOI
Direct space–time characterization of the electric fields of ultrashort optical pulses
TL;DR: The complete spatiotemporal characterization of ultrashort light pulses by use of a self-referencing device based on shearing interferometry in the space and frequency domains is reported.
References
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Journal ArticleDOI
Negative group-velocity dispersion using refraction
TL;DR: In this article, it was shown that a negative contribution to the group-velocity dispersion always accompanies angular dispersion and structures, such as slabs and prisms, that use this contribution to provide adjustable group velocity dispersion.
Journal ArticleDOI
Distortion of femtosecond laser pulses in lenses
TL;DR: Equations describing the pulse-front delay in singlet lenses, achromats, and compound lenses are presented, which is several orders of magnitude larger than the broadening caused by group-velocity dispersion in the lens material.
Journal ArticleDOI
Distortion of femtosecond laser pulses in lenses and lens systems.
TL;DR: In this article, a parabolic function of the input radius is calculated for singlet lenses, achromats, compound lenses, telescopes, and the effect may be two to three orders of magnitude larger than the broadening due to group velocity dispersion in the materials of the lenses.
Journal ArticleDOI
Group velocity dispersion in prisms and its application to pulse compression and travelling-wave excitation
Zsolt Bor,B. Racz +1 more
TL;DR: In this paper, a general expression relating the delay and the angular dispersion was found, and a pulse compressor equivalent to the Treacy-compressor, based on this delay was described.
Journal ArticleDOI
Light-in-flight recording: high-speed holographic motion pictures of ultrafast phenomena
TL;DR: Holographic recordings have been made using lasers of short coherence and pulse length and cross sections between a thin sheet of light and a 3-D object have been recorded to demonstrate the possibilities of contouring.