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A pulsed iodine photodissociation laser with slow pumping

Published online by Cambridge University Press:  09 March 2009

J. Beránek
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
M. Chvojka
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
V. Hermoch
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
B. Králiková
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
J. Krása
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
L. Láska
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
K. Mašek
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
J. Musil
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
K. Rohlena
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
B. Rus
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
J. Schmiedberger
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
J. Skála
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
O. Štirand
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
P. Trenda
Affiliation:
Institute of Physics of Czechoslovak Academy of Science, Prague 8, Na Slovance 2, 180 40 Czechoslovakia
N. G. Basov
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
I. M. Divilkovskiy
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
V. C. Zuev
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
A. V. Kanaev
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
V. A. Katulin
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
K. S. Korolkov
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
L. D. Mikheev
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
E. P. Orlov
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
A. L. Petrov
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR
V. I. Yalovoy
Affiliation:
P.N. Lebedev Institute of Physics of Soviet Academy of Science, 53 Lenin Prospect, 117 333 Moscow, USSR

Abstract

A construction and exploitation of a comparatively large I photodissociation laser system (Perun) is reported. This system was constructed in cooperation between the Institute of Physics of Czechoslovak Academy of Science in Prague and the Lebedev Institute of Physics of Soviet Academy of Science in Moscow. The laser produces subnanosecond pulses of maximum 50 J and 0·5 ns in duration. Although the pumping time by Xe flashlamps is long enough for an acoustic disturbance released in the active medium to introduce an optical inhomogeneity across the whole cross section of the laser tube, the radiation can be focused in a focal spot of a power density exceeding 1014 W/cm2, enough for meaningful laser target experiments both for a laser plasma production or a modification of solid surfaces. The repetition time of the shots is about 10 min.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1992

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