Fabrication of spatial transient-density structures as high-field plasma photonic devices

Fabrication of periodic transient-density structures in a gas jet with a boundary scale length approaching 10 μ m was demonstrated. This was achieved by passing an ultrashort high-intensity laser pulse through a patterned mask and imaging the mask onto the target plane. Gas/plasma density at the las...

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Bibliographic Details
Published in:Physics of plasmas 2005-07, Vol.12 (7), p.070707-070707-4
Main Authors: Pai, C.-H., Huang, S.-Y., Kuo, C.-C., Lin, M.-W., Wang, J., Chen, S.-Y., Lee, C.-H., Lin, J.-Y.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
IONIZATION
LASER-PRODUCED PLASMA
PERIODICITY
PLASMA DENSITY
PLASMA HEATING
PLASMA JETS
PLASMA PRODUCTION
PULSES
TRANSIENTS
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Summary:Fabrication of periodic transient-density structures in a gas jet with a boundary scale length approaching 10 μ m was demonstrated. This was achieved by passing an ultrashort high-intensity laser pulse through a patterned mask and imaging the mask onto the target plane. Gas/plasma density at the laser-irradiated regions drops as a result of hydrodynamic expansion following ionization and heating by the laser pulse. The fabrication of gas/plasma density structures with such a scheme is an essential step in the development of plasma photonic devices for applications in high-field physics.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.1986971