Spatiotemporal phase-matching in capillary high-harmonic generation

Rogers, Edward T.F., Stebbings, Sarah L., de Paula, Ana M., Froud, Christopher A., Praeger, Matthew, Mills, Benjamin, Grant-Jacob, James, Brocklesby, William S. and Frey, Jeremy G. (2012) Spatiotemporal phase-matching in capillary high-harmonic generation Journal of the Optical Society of America B, 29, (4), pp. 806-812. (doi:10.1364/JOSAB.29.000806).


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We present a simple phase-matching model that takes into account the full spatiotemporal nature of capillary high-harmonic generation. Spectra predicted from the model are compared to experimental results for a number of gases and are shown to reproduce the spectral envelope of experimentally generated harmonics. The model demonstrates that an ionization-induced phase mismatch is limiting the energy of the generated harmonics in current capillary high-harmonic generation experiments. The success of this model shows that phase-matching processes play a dominant role in determining the emission from capillary high-harmonic generation.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/JOSAB.29.000806
ISSNs: 0740-3224 (print)
Related URLs:
Organisations: Optoelectronics Research Centre, Chemistry, Quantum, Light & Matter Group
ePrint ID: 339964
Date :
Date Event
April 2012Published
Date Deposited: 06 Jun 2012 11:12
Last Modified: 17 Apr 2017 17:02
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