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Astrophotonic spectroscopy: defining the potential advantage
Jeremy Allington-Smith, Joss Bland-Hawthorn
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…
Strategies for spectroscopy on Extremely Large Telescopes. I - Image Slicing
J. R. Allington-Smith
One of the problems of producing spectrographs for Extremely Large Telescopes (ELTs) is that the beam size is required to scale with telescope aperture if all other parameters are…
Ultrafast laser inscription: an enabling technology for astrophotonics
Robert R. Thomson, Ajoy K. Kar, Jeremy Allington-Smith
The application of photonics to astronomy offers major advantages in the area of highly-multiplexed spectroscopy, especially when applied to extremely large telescopes. These inclu…
Strategies for spectroscopy on Extremely Large Telescopes. II - Diverse field spectroscopy
G. J. Murray, J. R. Allington-Smith
The fields of view of Extremely Large Telescopes will contain vast numbers of spatial sampling elements (spaxels) as their Adaptive Optics systems approach the diffraction limit ov…