Metamaterials based hyperspectral and multi-wavelength filters for imaging applications

Golsa Mirbagheri; David Crouse; Kaitlin Dunn; Igor Bendoym

doi:10.1117/12.2522262

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13 May 2019 Metamaterials based hyperspectral and multi-wavelength filters for imaging applications

Golsa Mirbagheri, David Crouse, Kaitlin Dunn, Igor Bendoym

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Proceedings Volume 10980, Image Sensing Technologies: Materials, Devices, Systems, and Applications VI; 109800A (2019) https://doi.org/10.1117/12.2522262
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, Maryland, United States

Abstract

In this project we design and fabricate a hyperbolic metamaterials-based narrowband notch filter for the mid-wave infrared regime with an angle-of-incidence independent center-wavelength for TM polarized incident light. To achieve angle of incidence independence, a subwavelength sized array of copper wires is inserted in a vertical orientation and permeates the three middle layers of the seven layer Bragg stack filter. Analysis using Maxwell- Garnett theory and full-wave electromagnetic modeling, and the fabrication progress to date are presented. Narrowband notch filters have applications in optical communications systems, and remote sensors such as hyperspectral and multi-spectral sensing and imaging.

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Golsa Mirbagheri, David Crouse, Kaitlin Dunn, and Igor Bendoym "Metamaterials based hyperspectral and multi-wavelength filters for imaging applications", Proc. SPIE 10980, Image Sensing Technologies: Materials, Devices, Systems, and Applications VI, 109800A (13 May 2019); https://doi.org/10.1117/12.2522262

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