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Angle Tolerant Mid-Infrared Notch filters using Two-dimensional Amorphous Germanium High Index Contrast Sub-wavelength Gratings

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Abstract

We experimentally demonstrated polarization independent, angle tolerant mid-infrared notch filters using amorphous-Germanium 2D high contrast gratings. Centered at 7.42 pm wavelength, the filter exhibits wide field-of-view notch filtering characteristics across 0 to 30o incidence angles.

© 2020 The Author(s)

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Poster Presentation

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