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Third harmonic generation by a low intensity laser pulse in a corrugated discharge capillary
Quasi phase matching and increase of laser interaction length were promoted by periodically modulated plasma guide formed by a discharge current ablating the inner capillary walls. The phenomenon was demonstrated through the use of third harmonics. For Ti:Sapphire laser pulses propagating through 1c...
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Published in: | Applied physics letters 2011-11, Vol.99 (21), p.211501-211501-3 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Quasi phase matching and increase of laser interaction length were promoted by periodically modulated plasma guide formed by a discharge current ablating the inner capillary walls. The phenomenon was demonstrated through the use of third harmonics. For Ti:Sapphire laser pulses propagating through 1cm long corrugated discharge capillaries, with an axial corrugation period of 200
μ
m, the third harmonic was generated at intensities as low as ∼10
9
W/cm
2
. |
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ISSN: | 0003-6951 1077-3118 |
DOI: | 10.1063/1.3664221 |