Optical wavelength image slicer

Matthew C. Doolan; Michael A. Dopita; Liam E. Waldron; John Hart; Ross Zhelem; Gabe Bloxham; Peter Conroy; Peter McGregor; Leigh Pfitzner

doi:10.1117/12.551045

30 September 2004 Optical wavelength image slicer

Matthew C. Doolan, Michael A. Dopita, Liam E. Waldron, John Hart, Ross Zhelem, Gabe Bloxham, Peter Conroy, Peter McGregor, Leigh Pfitzner

Author Affiliations +

Proceedings Volume 5492, Ground-based Instrumentation for Astronomy; (2004) https://doi.org/10.1117/12.551045
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

The Wide Field Spectrograph (WiFeS) is a high-throughput double-beam image-slicing spectrograph that will operate over the visible wavelength range 320nm to 1000nm. Designed by the Australian National University's Research School of Astronomy and Astrophysics (RSAA) at Mount Stromlo, WiFeS is based on an Integral Field Unit (IFU) and Volume Phased Holographic (VPH) grating technology. Central to the IFU design is a visible wavelength image slicer. Traditionally, such a slicer has been difficult to realise, due to the requisite high surface quality demanded to reduce scatter from each slice. In this paper, we discuss both the novel design and manufacture of the WiFeS slicer assembly. Preliminary results are presented that clearly demonstrate the effectiveness of the design.

Citation Download Citation

Matthew C. Doolan, Michael A. Dopita, Liam E. Waldron, John Hart, Ross Zhelem, Gabe Bloxham, Peter Conroy, Peter McGregor, and Leigh Pfitzner "Optical wavelength image slicer", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); https://doi.org/10.1117/12.551045

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