用于天文OH线抑制的光子环谐振器陷波滤波器

Micro + Nano Materials, Devices, and Applications Pub Date : 2020-01-03 DOI:10.1117/12.2539772

P. Liu, S. Kuhlmann, S. Ellis, K. Kuehn, H. Spinka, D. Underwood, L. Ocola, R. Gupta, N. Stern

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引用次数: 0

摘要

利用光子环谐振器阵列作为陷波滤波器，抑制近红外(NIR)波长范围(0.9 ~ 2.5 μm)内的OH发射线，是提高地面天文观测信噪比的一种很有前景的新方案。我们的目标是制造一系列由波导连接的环形谐振器，每个环形谐振器的谐振波长和全宽半最大值(FWHM)与一条OH发射线相匹配。

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Photonic ring resonator notch filters for astronomical OH line suppression

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.

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Micro + Nano Materials, Devices, and Applications

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