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Proceedings Paper

SWIFT image slicer: large format compact low scatter image slicing
Author(s): Matthias Tecza; Niranjan Thatte; Fraser Clarke; Tim Goodsall; David Freeman; Yves Salaun
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Paper Abstract

We present the SWIFT image slicer and its novel de-magnifying design. It is based on the MPE-3D and SPIFFI image slicers, uses plane mirrors to slice the input field, but achieves a considerable de-magnification through the use of a mosaic of spherical lenses. As only plane and spherical surfaces are used in the design, classical polishing techniques can be applied to achieve very high surface accuracy and quality. This reduces aberrations and scattered light, mandatory for an image slicer working at optical wavelengths and behind an adaptive optics system. Except for the lens mosaic, the SWIFT slicer is built entirely from Zerodur and is assembled using optical contacting. We present a detailed description of the design as well as results of the early stages of its fabrication.

Paper Details

Date Published: 6 July 2006
PDF: 10 pages
Proc. SPIE 6273, Optomechanical Technologies for Astronomy, 62732L (6 July 2006); doi: 10.1117/12.671883
Show Author Affiliations
Matthias Tecza, Univ. of Oxford (United Kingdom)
Niranjan Thatte, Univ. of Oxford (United Kingdom)
Fraser Clarke, Univ. of Oxford (United Kingdom)
Tim Goodsall, Univ. of Oxford (United Kingdom)
David Freeman, Optical Design Consultant (United Kingdom)
Yves Salaun, Winlight Optics (France)


Published in SPIE Proceedings Vol. 6273:
Optomechanical Technologies for Astronomy
Eli Atad-Ettedgui; Joseph Antebi; Dietrich Lemke, Editor(s)

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