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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 19 — Oct. 1, 2010
  • pp: 3186–3188

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

James H. Easter, Aghapi G. Mordovanakis, Bixue Hou, Alexander G.R. Thomas, John A. Nees, Gérard Mourou, and Karl Krushelnick  »View Author Affiliations


Optics Letters, Vol. 35, Issue 19, pp. 3186-3188 (2010)
http://dx.doi.org/10.1364/OL.35.003186


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Abstract

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

© 2010 Optical Society of America

OCIS Codes
(190.4160) Nonlinear optics : Multiharmonic generation
(350.5400) Other areas of optics : Plasmas

ToC Category:
Nonlinear Optics

History
Original Manuscript: May 19, 2010
Revised Manuscript: August 23, 2010
Manuscript Accepted: August 29, 2010
Published: September 21, 2010

Citation
James H. Easter, Aghapi G. Mordovanakis, Bixue Hou, Alexander G. R. Thomas, John A. Nees, Gérard Mourou, and Karl Krushelnick, "High-order harmonic generation from solid targets with 2 mJ pulses," Opt. Lett. 35, 3186-3188 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-19-3186

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