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Astrophotonic spectroscopy : defining the potential advantage.

Allington-Smith, J.R. and Bland-Hawthorn, Joss (2010) 'Astrophotonic spectroscopy : defining the potential advantage.', Monthly notices of the Royal Astronomical Society., 404 (1). pp. 232-238.

Abstract

A photonic spectrograph can be much smaller than a conventional spectrograph with the same resolving power. Individual devices can be integrated with optical fibres to improve the multiplex gain in astronomical spectroscopy. Although experimental devices have been tested, the parameter space where integrated photonic spectrographs offer significant advantage over traditional methods has not been defined. This paper gives an overview of the theory with verification by direct simulation using Fresnel propagation and quantifies the benefit for representative spectroscopic capabilities. We thereby confirm the advantage of photonic spectrographs, especially to the next generation of extremely large telescopes, and conclude that these devices may be important for the future development of astronomical instrumentation.

Item Type:Article
Keywords:Instrumentation, Spectrographs, Spectroscopic.
Full text:PDF (arXiv version) - Other (1558Kb)
Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1111/j.1365-2966.2009.16173.x
Publisher statement:The definitive version is available at www.blackwell-synergy.com
Record Created:29 Nov 2012 15:05
Last Modified:01 Aug 2014 12:34

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