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

Abstract

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.

Authors:
; ; ;  [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)
Publication Date:
OSTI Identifier:
21052620
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 879; Journal Issue: 1; Conference: 9. international conference on synchrotron radiation instrumentation, Daegu (Korea, Republic of), 28 May - 2 Jun 2006; Other Information: DOI: 10.1063/1.2436164; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; ACTUATORS; BEAM OPTICS; BEAM PRODUCTION; CONTROL; CORRECTIONS; FOCUSING; KEV RANGE; PHOTON BEAMS; SENSORS; SOFT X RADIATION; SYNCHROTRON RADIATION

Citation Formats

Mercere, Pascal, Idir, Mourad, Moreno, Thierry, Cauchon, Gilles, Dovillaire, Guillaume, Levecq, Xavier, and Bucourt, Samuel. Wavefront Closed-Loop Correction for X-Ray Microfocusing Active Optics. United States: N. p., 2007. Web. doi:10.1063/1.2436164.
Mercere, Pascal, Idir, Mourad, Moreno, Thierry, Cauchon, Gilles, Dovillaire, Guillaume, Levecq, Xavier, & Bucourt, Samuel. Wavefront Closed-Loop Correction for X-Ray Microfocusing Active Optics. United States. doi:10.1063/1.2436164.
Mercere, Pascal, Idir, Mourad, Moreno, Thierry, Cauchon, Gilles, Dovillaire, Guillaume, Levecq, Xavier, and Bucourt, Samuel. Fri . "Wavefront Closed-Loop Correction for X-Ray Microfocusing Active Optics". United States. doi:10.1063/1.2436164.
@article{osti_21052620,
title = {Wavefront Closed-Loop Correction for X-Ray Microfocusing Active Optics},
author = {Mercere, Pascal and Idir, Mourad and Moreno, Thierry and Cauchon, Gilles and Dovillaire, Guillaume and Levecq, Xavier and Bucourt, Samuel},
abstractNote = {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.},
doi = {10.1063/1.2436164},
journal = {AIP Conference Proceedings},
number = 1,
volume = 879,
place = {United States},
year = {Fri Jan 19 00:00:00 EST 2007},
month = {Fri Jan 19 00:00:00 EST 2007}
}
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