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One of the most useful techniques in astronomical instrumentation is image slicing. It enables a spectrograph to have a more compact angular slit, whilst retaining throughput and increasing resolving power. Astrophotonic components like the photonic lanterns and photonic reformatters can be used to replace bulk optics used so far. This study investigates the performance of such devices using end-to-end simulations to approximate realistic on-sky conditions. It investigates existing components, tries to optimize their performance and aims to understand better how best to design instruments to maximize their performance. This work complements the recent work in the field and provides an estimation for the performance of the new components.
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Theodoros Anagnos, Robert J. Harris, Mark K. Corrigan, Andrew P. Reeves, Matthew J. Townson, David G. MacLachlan, Robert R. Thomson, Tim J. Morris, Christian Schwab, Andreas Quirrenbach, "Optimizing astrophotonic spatial reformatters using simulated on-sky performance," Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107062H (10 July 2018); https://doi.org/10.1117/12.2312017