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Proceedings Paper

NanoSpec: a diffraction limited micro-spectrograph for pico- and nano-satellites
Author(s): Christopher H. Betters; S. G. Leon-Saval; J. Bland-Hawthorn
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Paper Abstract

Here we present a novel diffraction limited spectrograph (NanoSpec) designed for integration in the 0.75kg i-INPSIRE satellite at the University of Sydney. NanoSpec is a single-mode fibre fed spectrograph operating very close to the diffraction limit over a wavelength range of 450nm to 700nm. The spectrograph is fed light via a single-mode (and thus diffraction limited) fibre pseudo-slit, allowing an extremely compact spectrograph while maintaining high performance. The current design has two configurations (for two different detectors), both achieving diffraction limited resolving powers (λ/Δλ) of 650 and 1400 respectively. The primary goal of NanoSpec is to demonstrate the potential of the PIMMS (photonic integrated multimode micro-spectrograph) type design for deployment in high altitude and space-based applications. To that end we present the optical design and laboratory based testing in preparation for a high altitude balloon launch and later on the i-INPSIRE satellite.

Paper Details

Date Published: 21 September 2012
PDF: 7 pages
Proc. SPIE 8442, Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave, 84424B (21 September 2012); doi: 10.1117/12.925819
Show Author Affiliations
Christopher H. Betters, Institute for Optical Science, The Univ. of Sydney (Australia)
Sydney Institute for Astronomy, The Univ. of Sydney (Australia)
S. G. Leon-Saval, Institute for Optical Science, The Univ. of Sydney (Australia)
J. Bland-Hawthorn, Institute for Optical Science, The Univ. of Sydney (Australia)
Sydney Institute for Astronomy, The Univ. of Sydney (Australia)


Published in SPIE Proceedings Vol. 8442:
Space Telescopes and Instrumentation 2012: Optical, Infrared, and Millimeter Wave
Mark C. Clampin; Giovanni G. Fazio; Howard A. MacEwen; Jacobus M. Oschmann, Editor(s)

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