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Investigation of anomalous generation of ω0 and 2ω0 harmonics of heating radiation in laser plasma corona by means of holographic gratings

Published online by Cambridge University Press:  09 March 2009

I. V. Aleksandrova ,
W. Brunner ,
S. I. Fedotov ,
R. Güther ,
M. P. Kalashnikov ,
G. Korn ,
A. M. Maksimchuk ,
Yu. A. Mikhailov ,
S. Polze  and
R. Riekher
...Show all authors
I. V. Aleksandrova
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
W. Brunner
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
S. I. Fedotov
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
R. Güther
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
M. P. Kalashnikov
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
G. Korn
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
A. M. Maksimchuk
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
Yu. A. Mikhailov
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
S. Polze
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
R. Riekher
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
G. V. Sklizkov
Affiliation:
Central Institute of Optics and Spectroscopy, Academy of Sciences of the GDR, Berlin, GDR
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Abstract

The problems concerning the development of high f-number spectrographs with high spectral and spatial resolution using holographic reflecting gratings, for the study of processes of harmonic generation in laser plasmas are considered. The concave holographic gratings and spectrograph schemes used in the “Delfin-1” installation are described. The anomalous generation of ω0 and 2ω0 harmonics from the subcritical density plasma region has been observed experimentally. Possible interpretations of the observed effect are given.

Type
Research Article
Information
Laser and Particle Beams , Volume 3 , Issue 2 , May 1985 , pp. 197 - 205
Copyright
Copyright © Cambridge University Press 1985

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