On the modal throughput of photonic lanterns in the presence of partial adaptive optic correction

Momen Diab; Stefano Minardi

doi:10.1117/12.2309657

10 July 2018 On the modal throughput of photonic lanterns in the presence of partial adaptive optic correction

Momen Diab, Stefano Minardi

Proceedings Volume 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III; 107064T (2018) https://doi.org/10.1117/12.2309657
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

As compared to single-mode fibers (SMFs), photonic lanterns could ease the coupling of starlight to single-mode astrophotonic instruments. Here we investigate numerically the advantage of using lanterns as compared to SMFs for seeing-limited and low-order adaptive telescopes. We find the turbulence strength below which focal-ratio-matched photonic lanterns provide an average flux per output equal to that of a sole SMF. Lastly, we look into the advantage of having a low-order adaptive optics (AO) as a way of relaxing the demand on the lantern size and complexity.

Citation Download Citation

Momen Diab and Stefano Minardi "On the modal throughput of photonic lanterns in the presence of partial adaptive optic correction", Proc. SPIE 10706, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III, 107064T (10 July 2018); https://doi.org/10.1117/12.2309657

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