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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 2 — Jan. 15, 2006
  • pp: 199–201

Automatic alignment of a Kirkpatrick–Baez active optic by use of a soft-x-ray Hartmann wavefront sensor

Pascal Mercère, Mourad Idir, Thierry Moreno, Gilles Cauchon, Guillaume Dovillaire, Xavier Levecq, Laurent Couvet, Samuel Bucourt, and Philippe Zeitoun  »View Author Affiliations


Optics Letters, Vol. 31, Issue 2, pp. 199-201 (2006)
http://dx.doi.org/10.1364/OL.31.000199


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Abstract

We present what we believe to be the first automatic alignment of a synchrotron beamline by the Hartmann technique. Experiments were performed, in the soft-x-ray range ( E = 3 keV , λ = 0.414 nm ), by using a four-actuator Kirkpatrick–Baez (KB) active optic. A system imaging the KB focal spot and a soft-x-ray Hartmann wavefront sensor were used alternatively to control the KB optic. The beam corrected with the help of the imaging system was used to calibrate the wavefront sensor. With both closed loops, we focused the beam into a 6.8 μ m × 9 μ m FWHM focal spot.

© 2006 Optical Society of America

OCIS Codes
(120.3940) Instrumentation, measurement, and metrology : Metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(160.2540) Materials : Fluorescent and luminescent materials
(340.6720) X-ray optics : Synchrotron radiation
(340.7440) X-ray optics : X-ray imaging
(340.7470) X-ray optics : X-ray mirrors

ToC Category:
Instrumentation, Measurement, and Metrology

Citation
Pascal Mercère, Mourad Idir, Thierry Moreno, Gilles Cauchon, Guillaume Dovillaire, Xavier Levecq, Laurent Couvet, Samuel Bucourt, and Philippe Zeitoun, "Automatic alignment of a Kirkpatrick-Baez active optic by use of a soft-x-ray Hartmann wavefront sensor," Opt. Lett. 31, 199-201 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-2-199


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References

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