1998
DOI: 10.1364/ol.23.001117
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Efficient generation of narrow-bandwidth picosecond pulses by frequency doubling of femtosecond chirped pulses

Abstract: We demonstrate efficient generation of picosecond narrow-bandwidth pulses by frequency mixing of broadband opposite chirped pulses in a type I doubling crystal. This procedure allows us to produce picosecond pulses that are perfectly synchronized with femtosecond pulses. The experiment shows a decrease of the initial bandwidth by a factor of more than 30, while a high conversion efficiency is maintained.

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Cited by 95 publications
(51 citation statements)
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“…The 800 nm femtosecond pulse was compressed to a 10 ps pulse with a spectral width of 12 cm -1 and an output energy of 8 µJ per pulse. 47 A tunable infrared light between 3 and 8.5 µm with a bandwidth of 150 cm -1 (fwhm) was generated using part of an 800 nm femtosecond * Author to whom correspondence should be addressed. E-mail: kbe1@columbia.edu.…”
Section: Methodsmentioning
confidence: 99%
“…The 800 nm femtosecond pulse was compressed to a 10 ps pulse with a spectral width of 12 cm -1 and an output energy of 8 µJ per pulse. 47 A tunable infrared light between 3 and 8.5 µm with a bandwidth of 150 cm -1 (fwhm) was generated using part of an 800 nm femtosecond * Author to whom correspondence should be addressed. E-mail: kbe1@columbia.edu.…”
Section: Methodsmentioning
confidence: 99%
“…Il faut cependant garderà l'esprit que l'émission non-linéaire est parfois saturée et limitée par des processus tels que l'absorptionà deux photons. Une excitationà ω v mise en forme de telle sorte que son intensité temporelle soit moindre peut donc au contraire aboutirà uneémission tout aussi voire plus intense [121][122][123].…”
Section: Stratégie : Façonnage Indirectunclassified
“…Pour la génération d'un champ mis en forme de façonà ce que son support spectral soit le plusétroit possible autour de la fréquence centrale ω 0 , les expériences [120,122,123,126] utilisent un processus non-linéaireà partir d'un champ primaire dont l'amplitude est moduléeà la période T = 1 ω 0 . Cette séquence quasi-périodique d'impulsionsà la période T est engendrée par une technique qui s'inspire du domaine des radars : le mélange de fréquences entre deux impulsions chirpées linéairement.…”
Section: Stratégie : Façonnage Indirectunclassified
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