Maqola

Enhanced high-order-harmonic generation in a carbon ablation plume

R. A. GaneevBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomTobias WittingBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomC. HutchisonBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomF. FrankBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomP. V. RedkinSamarkand State University, Samarkand 140104, UzbekistanW. A. OkellBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomDangyuan LeiBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomTyler RoschukBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomStefan A. MaierBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomJ. P. MarangosBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United KingdomJ. W. G. TischBlackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2AZ, United Kingdom

Physical Review Ajournal2012en

ABI

Annotatsiya

We report on the observation of enhanced high harmonics from a carbon plasma using sub-5-fs laser pulses. The efficiency of harmonic generation in the range of 14--25 eV was up to five times higher in the case of a plasma medium (graphite ablation) compared with gas (argon) under similar experimental conditions. The harmonic enhancement can be attributed to the presence of carbon nanoparticles in the ablation plumes.

Mavzular

Laser-Matter Interactions and Applications Laser-induced spectroscopy and plasma Laser-Plasma Interactions and Diagnostics

Identifikatorlar

DOI: 10.1103/physreva.85.015807

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