POAM in starlight: seven years of SAM measurements

Denis W. Oesch; Darryl J. Sanchez; Patrick R. Kelly

doi:10.1117/12.2235796

20 September 2016 POAM in starlight: seven years of SAM measurements

Denis W. Oesch, Darryl J. Sanchez, Patrick R. Kelly

Proceedings Volume 9982, Unconventional Imaging and Wavefront Sensing XII; 99820N (2016) https://doi.org/10.1117/12.2235796
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

At the Starfire Optical Range in 2011, the first measurements of photonic orbital angular momentum in starlight were made. Although that survey conclusively demonstrated that POAM exists in starlight, the survey was limited. We have subsequently obtained access to the SAM data archive with its seven years of data. Here the SAM data is analyzed to include the two metrics, branch point density, ρ , and the conversion efficiency η, that were used in the analysis of the 2011 observations.

Citation Download Citation

Denis W. Oesch, Darryl J. Sanchez, and Patrick R. Kelly "POAM in starlight: seven years of SAM measurements", Proc. SPIE 9982, Unconventional Imaging and Wavefront Sensing XII, 99820N (20 September 2016); https://doi.org/10.1117/12.2235796

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