High-energy chirped- and divided-pulse Sagnac femtosecond fiber amplifier - Archive ouverte HAL Access content directly
Journal Articles Optics Letters Year : 2015

High-energy chirped- and divided-pulse Sagnac femtosecond fiber amplifier

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Marc Hanna
Franck Morin
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Eric Mottay
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Patrick Georges

Abstract

We report on the generation of 1.1-mJ, 300-fs pulses at 50 kHz by implementing an amplifier architecture whereby four stretched pulse replicas are created in the temporal and spatial domains, allowing pulse energy scaling by the same factor. The whole spatiotemporal coherent combining geometry is passive, avoiding the need for active electronic stabilization loop systems. The combining efficiency remains above 90% at all power levels.
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Dates and versions

hal-01120352 , version 1 (12-05-2016)

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Florent Guichard, Yoann Zaouter, Marc Hanna, Khanh-Linh Mai, Franck Morin, et al.. High-energy chirped- and divided-pulse Sagnac femtosecond fiber amplifier. Optics Letters, 2015, 40 (1), pp.89. ⟨10.1364/OL.40.000089⟩. ⟨hal-01120352⟩
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