Characterisation of a novel super-polished bimorph mirror

A novel super-polished adaptive bimorph mirror has been developed, which provides variable focal distance and local figure control in the sub-nm range. The optic has the potential to generate distortion-free beams and enable dynamical focusing and wavefront control. We present results of this optic,...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 425; no. 5; pp. 52026 - 4
Main Authors Sawhney, Kawal, Alcock, Simon, Sutter, John, Berujon, Sebastien, Wang, Hongchang, Signorato, Riccardo
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2013
Subjects
Beams (radiation)
Bimorphs
Diamonds
Distortion
Focusing
Physics
Synchrotrons
Topography
Tracking
Wave front control
Wave fronts
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Summary:A novel super-polished adaptive bimorph mirror has been developed, which provides variable focal distance and local figure control in the sub-nm range. The optic has the potential to generate distortion-free beams and enable dynamical focusing and wavefront control. We present results of this optic, including ex-situ characterisation of the surface topography using the Diamond-NOM, and in-situ investigation using synchrotron light at Diamond's B16 Test beamline. The wavefront properties of the mirror have also been studied using at-wavelength metrology methods based on X-ray speckle tracking.
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ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/425/5/052026