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Titre
Single-shot implementation of dispersion-scan for the characterization of ultrashort laser pulses.
Autor(es)
Sujet
Physics
Spectral shearing interferomentry
Electric-field reconstruction
Simultaneous compression
Phase interferometry
Mirrors
Physics
Design
Fecha de publicación
2015-12-14
Éditeur
OPTICAL SOC AMER, 2010 MASSACHUSETTS AVE NW, WASHINGTON, DC 20036 USA
Citación
D. Fabris, W. Holgado, F. Silva, T. Witting, J. W. G. Tisch, and H. Crespo, "Single-shot implementation of dispersion-scan for the characterization of ultrashort laser pulses," Opt. Express 23, 32803-32808 (2015)
Résumé
[EN] We demonstrate a single-shot ultrafast diagnostic, based on the dispersion-scan (d-scan) technique. In this implementation, rather than translating wedges to vary the dispersion as in scanning d-scan, the pulse to be measured experiences a spatially varying amount of dispersion in a prism. The resulting beam is then imaged into a second-harmonic generation crystal and an imaging spectrometer is used to measure the two-dimensional trace, which is analyzed using the d-scan retrieval algorithm. We compare the single-shot implementation with the scanning d-scan for the measurement of sub-3.5-fs pulses from a hollow core fiber pulse compressor. We show that the retrieval algorithm used to extract amplitude and phase of the pulse provides comparable results, proving the validity of the new single-shot implementation in the near single-cycle regime. (C)2015 Optical Society of America
URI
ISSN
1094-4087
Versión del editor
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