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Soft X-ray laser pointing and focusing experiments†

Published online by Cambridge University Press:  09 March 2009

D. G. Nilson,
S. B. Brown,
C. J. Keane,
B. J. Macgowan,
D. L. Matthews,
J. E. Trebes,
O. R. Wood II and
W. T. Silfvast
D. G. Nilson
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
S. B. Brown
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
C. J. Keane
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
B. J. Macgowan
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
D. L. Matthews
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
J. E. Trebes
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
O. R. Wood II
Affiliation:
AT&T Bell Laboratories, Holmdel, NJ 07733
W. T. Silfvast
Affiliation:
AT&T Bell Laboratories, Holmdel, NJ 07733
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Abstract

Recent advances in X-ray laser research have significantly increased the possibilities for X-ray laser applications. In this paper, we report the first demonstration of pointing and focusing of a soft X-ray laser beam. A LLNL selenium soft X-ray laser at 206 and 209 Å was used in these experiments. Two state of the art 76 mm diameter multilayer mirrors were used to collimate and refocus the laser onto a set of cross hairs which were constructed from 100 μm diameter wires. The cross hairs were located 4.6 m from the X-ray laser source. Results show that the laser can be pointed to within 75 μrad and focused to a 235 μm diameter spot. It is expected that eventually spot sizes near 100 μm and flux levels of 100J/cm2 at X-ray irradiances up to 1012W/cm2 can be provided to a remote application, using a similar beam relaying system.

Information

Type
Research Article
Information
Laser and Particle Beams , Volume 6 , Issue 4 , November 1988, pp. 751 - 756
Copyright
Copyright © Cambridge University Press 1988

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