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Proceedings Paper

Photonic ring resonator notch filters for astronomical OH line suppression
Author(s): P. Liu; S. Kuhlmann; S. C. Ellis; K. Kuehn; H. Spinka; D. Underwood; L. Ocola; R. R. Gupta; N. P. Stern
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Paper Abstract

Photonic ring resonator arrays used as notch filters are a promising novel solution to improve the signal-to-noise ratio of ground-based astronomical observations by suppressing OH emission lines in the near-infrared (NIR) wavelength range (0.9-2.5 μm). We aim to fabricate a series of ring resonators connected by a waveguide, each with its resonance wavelength and full-width-half-maximum (FWHM) matched with one of the OH emission lines.

Paper Details

Date Published: 3 January 2020
PDF: 2 pages
Proc. SPIE 11203, Advances in Optical Astronomical Instrumentation 2019, 112030Y (3 January 2020); doi: 10.1117/12.2539772
Show Author Affiliations
P. Liu, Northwestern Univ. (United States)
S. Kuhlmann, Argonne National Lab. (United States)
S. C. Ellis, Australian Astronomical Observatory (Australia)
Univ. of Sydney (Australia)
K. Kuehn, Australian Astronomical Observatory (Australia)
H. Spinka, Northwestern Univ. (United States)
D. Underwood, Argonne National Lab. (United States)
L. Ocola, Argonne National Lab. (United States)
R. R. Gupta, Argonne National Lab. (United States)
Lawrence Berkeley National Lab. (United States)
N. P. Stern, Northwestern Univ. (United States)

Published in SPIE Proceedings Vol. 11203:
Advances in Optical Astronomical Instrumentation 2019
Simon C. Ellis; Céline d'Orgeville, Editor(s)

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