Temporal compression of pulses from a 100-KHz-repetiton-rate femtosecond ytterbium laser

We report the temporal compression a femtosecond ytterbium laser pulse at a pulse repetition rate of 100 kHz using the effect of nonlinear self-phase modulation in a gas-filled capillary. A 260-fs laser pulse is compressed down to 17 fs with an energy efficiency of 40%. An average radiation power at...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2016-01, Vol.46 (8), p.675-678
Main Authors: Didenko, N V, Konyashchenko, A V, Kostryukov, P V, Losev, L L, Pazyuk, V S, Tenyakov, S Yu, Bryukhanov, V V
Format: Article
Language:English
Subjects:
CAPILLARIES
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Compressing
COMPRESSION
CRYSTALS
Efficiency
ENERGY EFFICIENCY
Femtosecond
HARMONIC GENERATION
KHZ RANGE
LASERS
MODULATION
NONLINEAR PROBLEMS
POTASSIUM PHOSPHATES
Pulse repetition rate
PULSES
Second harmonic generation
TIME DEPENDENCE
YTTERBIUM
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Summary:We report the temporal compression a femtosecond ytterbium laser pulse at a pulse repetition rate of 100 kHz using the effect of nonlinear self-phase modulation in a gas-filled capillary. A 260-fs laser pulse is compressed down to 17 fs with an energy efficiency of 40%. An average radiation power at the compressor output is 2 W. At a second compression stage, the time contrast is increased and the pulse duration is reduced in the process of the second harmonic generation in a KDP crystal. The obtained pulses have a duration of 11 fs at an efficiency of 35%.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16147