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Wavefront Closed-Loop Correction for X-Ray Microfocusing Active Optics

Journal Article · · AIP Conference Proceedings
DOI:https://doi.org/10.1063/1.2436164· OSTI ID:21052620
; ; ;  [1]; ; ;  [2]
  1. Synchrotron SOLEIL, L'Orme des Merisiers -Saint-Aubin, BP 48, 91192 Gif-sur-Yvette (France)
  2. Imagine Optic, 18 rue Charles de Gaulle, 91400 Orsay (France)
Automatic alignment of a synchrotron beamline by Hartmann technique was performed, in the soft X-ray range (E = 3 keV, {lambda} = 0.414 nm), using a 4-actuators Kirkpatrick-Baez (KB) active optic. A system imaging the KB focal spot and a soft X-ray Hartmann wave-front sensor were used alternatively to control the KB. The beam corrected with the help of the imaging system was used to calibrate the wave-front sensor. With both closed loops, we focused the beam into a 6.8x9 {mu}m2 FWHM focal spot. Closed-loop corrections are limited by the optical quality of the imaging system.
OSTI ID:
21052620
Journal Information:
AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 879; ISSN APCPCS; ISSN 0094-243X
Country of Publication:
United States
Language:
English

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