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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.

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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