Spectroscopy using a visible photonic lantern at the Subaru Telescope: Laboratory characterization and the first on-sky demonstration on Ikiiki (α Leo) and ‘Aua (α Ori)

Open Access

Fig. 5

PL lab characterization. Top panel: distribution of the intensity of the light at the PL input after retro-injecting a 780 nm laser in each of the PL SM outputs. Lower panel: transmission from the SM end to the MM end of the PL, for each of the 19 SMFs.

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