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), 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
ISSNs: 0740-3224 (print)
1520-8540 (electronic)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Natural and Environmental Sciences > Chemistry
Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
Faculty of Physical Sciences and Engineering > Physics and Astronomy > Quantum, Light & Matter
ePrint ID: 339964
Date Deposited: 06 Jun 2012 11:12
Last Modified: 27 Mar 2014 20:22

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