High-order harmonic generation from solid targets with 2 mJ pulses

Easter, James H. and Mordovanakis, Aghapi G. and Hou, Bixue and Thomas, Alexander George Roy and Nees, John A. and Mourou, Gérard and Krushelnick, Karl (2010) High-order harmonic generation from solid targets with 2 mJ pulses. Optics Letters, 35 (19). pp. 3186-3188. ISSN 0146-9592

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Abstract

Harmonics up to the 18th order are generated from solid targets by focusing 2mJ2mJ, 50fs50fs pulses at 800nm800nm to a spot size of 1.7μm1.7μm (FWHM). To our knowledge, this is the first demonstration of high-harmonic generation with a very short focal length paraboloid (푓/1.4f/1.4) and kilohertz laser system. The harmonics have a low divergence (<4°<4°) compared to the driving beam and conversion efficiencies (>10−7>10−7 per harmonic) comparable to gas harmonics. No contrast enhancement techniques are employed, and the system is capable of operating at 500Hz500Hz.

Item Type:
Journal Article
Journal or Publication Title:
Optics Letters
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3107
Subjects:
ID Code:
85808
Deposited By:
Deposited On:
04 Apr 2017 12:04
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Aug 2020 06:05