8 July 2014 A comparison of concepts for a photonic spectrograph
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Abstract
It is possible to significantly improve the performance of astronomical spectroscopy by taking the Point Spread Function from a near diffraction-limited telescope and reformatting it using photonic technologies. This can improve the stability of a conventional instrument or provide an interface to single mode instruments developed for the telecommunications industry. We compare different options for reformatting and interfacing with different types of instruments and examine them using set metrics. We then examine the relative merits for instruments that could be developed for astronomy.
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R. J. Harris, R. J. Harris, J. R. Allington-Smith, J. R. Allington-Smith, David MacLachlan, David MacLachlan, Robert R. Thomson, Robert R. Thomson, } "A comparison of concepts for a photonic spectrograph", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91474C (8 July 2014); doi: 10.1117/12.2055581; https://doi.org/10.1117/12.2055581
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