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Modal noise in an integrated photonic lantern fed diffraction-limited spectrograph

Cvetojevic, N.; Jovanovic, Nemanja; Gross, S; Norris, B; Spaleniak, I; Schwab, C.; Withford, M. J.; Ireland, Michael; Tuthill, P.; Guyon, Olivier; Martinache, Frantz; Lawrence, J S


In an attempt to develop a streamlined astrophotonic instrument, we demonstrate the realization of an all-photonic device capable of both multimode to single mode conversion and spectral dispersion on an 8-m class telescope with efficient coupling. The device was a monolithic photonic spectrograph which combined an integrated photonic lantern and an efficient arrayed waveguide grating device. During on-sky testing, we discovered a previously unreported type of noise that made spectral...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.25.025546
Access Rights: Open Access


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