Performance estimates for spectrographs using photonic reformatters

Robert J. Harris; Lucas Labadie; Ulrike Lemke; David G. MacLachlan; Robert R. Thomson; Sabine Reffert; Andreas Quirrenbach

doi:10.1117/12.2232731

22 July 2016 Performance estimates for spectrographs using photonic reformatters

Robert J. Harris, Lucas Labadie, Ulrike Lemke, David G. MacLachlan, Robert R. Thomson, Sabine Reffert, Andreas Quirrenbach

Author Affiliations +

Proceedings Volume 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II; 99125Q (2016) https://doi.org/10.1117/12.2232731
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

Using a photonic reformatter to eliminate the effects of conventional modal noise could greatly improve the stability of a high resolution spectrograph. However the regimes where this advantage becomes clear are not yet defined. Here we will look at where modal noise becomes a problem in conventional high resolution spectroscopy and what impact photonic spectrographs could have. We will theoretically derive achievable radial velocity measurements to compare photonic instruments and conventional ones. We will discuss the theoretical and experimental investigations that will need to be undertaken to optimize and prove the photonic reformatting concept.

Citation Download Citation

Robert J. Harris, Lucas Labadie, Ulrike Lemke, David G. MacLachlan, Robert R. Thomson, Sabine Reffert, and Andreas Quirrenbach "Performance estimates for spectrographs using photonic reformatters", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 99125Q (22 July 2016); https://doi.org/10.1117/12.2232731

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