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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 20 — Oct. 15, 2008
  • pp: 2359–2361

Compact soft x-ray microscope using a gas-discharge light source

Markus Benk, Klaus Bergmann, David Schäfer, and Thomas Wilhein  »View Author Affiliations

Optics Letters, Vol. 33, Issue 20, pp. 2359-2361 (2008)

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We report on a soft x-ray microscope using a gas-discharge plasma with pseudo spark-like electrode geometry as a light source. The source produces a radiant intensity of 4 × 10 13   photons ( sr   pulse ) for the 2.88 nm emission line of helium-like nitrogen. At a demonstrated 1 kHz repetition rate a brilliance of 4.3 × 10 9   photons ( μ m 2 sr s ) is obtained for the 2.88 nm line. Ray-tracing simulations show that, employing an adequate grazing incidence collector, a photon flux of 1 × 10 7   photons ( μ m 2 s ) can be achieved with the current source. The applicability of the presented pinch plasma concept to soft x-ray microscopy is demonstrated in a proof-of-principle experiment.

© 2008 Optical Society of America

OCIS Codes
(180.7460) Microscopy : X-ray microscopy
(340.7460) X-ray optics : X-ray microscopy
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)

ToC Category:
X-ray Optics

Original Manuscript: May 20, 2008
Revised Manuscript: August 26, 2008
Manuscript Accepted: September 3, 2008
Published: October 14, 2008

Virtual Issues
Vol. 3, Iss. 12 Virtual Journal for Biomedical Optics

Markus Benk, Klaus Bergmann, David Schäfer, and Thomas Wilhein, "Compact soft x-ray microscope using a gas-discharge light source," Opt. Lett. 33, 2359-2361 (2008)

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