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Kvantovaya Elektronika, 2001, Volume 31, Number 5, Pages 448–452 (Mi qe1976)  

Interaction of laser radiation with matter. Laser plasma

Production of an extended plasma column in vacuum by irradiating a target by a quasi-Bessel beam

V. M. Batenin, S. S. Bychkov, L. Ya. Margolin, L. N. Pyatnitskiĭ, A. D. Tal'virskii, E. V. Fomenko

Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow

Abstract: A technique of focusing the heating radiation was investigated, which makes it possible to produce an extended (under laboratory conditions, up to 1 m and over) plasma column and enables an easy output of VUV radiation. A plane solid-state target in vacuum was arranged along the caustic of a conic lens (axicon), which focused the laser beam. An analytic dependence, which describes the spatial intensity distribution of the heating radiation in the case of a nontransparent, partially reflecting target, was derived and experimentally verified. Experiments on the irradiation of an aluminium target in vacuum with a 5-J, 5-ns pulse of a neodymium-glass laser were performed. A plasma column up to 30 mm in length and no greater than 10 μm in diameter was formed. A rather intense plasma radiation was recorded in the VUV range.

Full text: PDF file (258 kB)

English version:
Quantum Electronics, 2001, 31:5, 448–452

Bibliographic databases:

PACS: 52.50.Jm, 52.59.-f, 52.35.Qz
Received: 11.01.2001

Citation: V. M. Batenin, S. S. Bychkov, L. Ya. Margolin, L. N. Pyatnitskiĭ, A. D. Tal'virskii, E. V. Fomenko, “Production of an extended plasma column in vacuum by irradiating a target by a quasi-Bessel beam”, Kvantovaya Elektronika, 31:5 (2001), 448–452 [Quantum Electron., 31:5 (2001), 448–452]

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