Periodic index-modulated plasma waveguide
Author(s) -
B. D. Layer,
Andrew G. York,
S. Varma,
YuHsin Chen,
H. M. Milchberg
Publication year - 2009
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.17.004263
Subject(s) - optics , plasma , argon , waveguide , materials science , refractive index , phase matching , laser , phase (matter) , atomic physics , physics , quantum mechanics
We demonstrate a wire-obstructed cluster flow technique for making periodically modulated plasma waveguides in hydrogen, nitrogen, and argon with sharp, stable voids as short as 50 microm with a period as small as 200 microm. These gaps persist as the plasma expands for the full lifetime of the waveguide. We demonstrate guided propagation at intensities up to 2 x 10(17) W/cm(2), limited by our laser energy currently available. This technique is useful for quasi-phase matching applications where index-modulated guides are superior to diameter modulated guides.
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