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Proceedings Article

SWIFT image slicer: large format, compact, low scatter image slicing

[+] Author Affiliations
Matthias Tecza, Niranjan Thatte, Fraser Clarke, Tim Goodsall

University of Oxford (United Kingdom)

David Freeman

Optical Design Consultant (United Kingdom)

Yves Salaun

Winlight Optics (France)

Proc. SPIE 6273, Optomechanical Technologies for Astronomy, 62732L (July 06, 2006); doi:10.1117/12.671883
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From Conference Volume 6273

  • Optomechanical Technologies for Astronomy
  • Eli Atad-Ettedgui; Joseph Antebi; Dietrich Lemke
  • Orlando, Florida , USA | May 24, 2006

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.

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Matthias Tecza ; Niranjan Thatte ; Fraser Clarke ; Tim Goodsall ; David Freeman, et al.
"SWIFT image slicer: large format, compact, low scatter image slicing", Proc. SPIE 6273, Optomechanical Technologies for Astronomy, 62732L (July 06, 2006); doi:10.1117/12.671883; http://dx.doi.org/10.1117/12.671883


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