CO2laser beam refraction in a linear discharge plasma
作者:
G. M. Molen,
M. Kristiansen,
M. O. Hagler,
期刊:
Applied Physics Letters
(AIP Available online 1973)
卷期:
Volume 23,
issue 11
页码: 601-603
ISSN:0003-6951
年代: 1973
DOI:10.1063/1.1654762
出版商: AIP
数据来源: AIP
摘要:
Beam guiding and focusing have been observed for CO2laser propagation in a high‐density low‐temperature annular plasma. A TEA laser was fired along the axis of a cylindrical plasma column of densities in the 1016–1017‐cm−3range. Several radial density profiles were investigated. Beam guiding and focusing were observed when the density had a minimum on the axis. A density maximum on‐axis refracted the beam toward the tube walls, and intense ``hot spots'' resulting from apparent filamentation inside the plasma were recorded.
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