Enhanced absorption per unit mass for infrared arrays using subwavelength metal–dielectric structures

Volume: 38, Issue: 1, Pages: 183 - 193
Published: Jan 1, 2021
Abstract
The absorption-to-mass ratio of the infrared arrays is enhanced to ∼1.33−7.33 times larger than the previously reported structures by incorporating two design characteristics: first, the coupling of evanescent fields in the air gaps around pixels to create effectively larger pixel sizes and, second, the use of guided-mode resonance (GMR) within the subwavelength metal–dielectric gratings. The bilayer Ti−Si3N4 gratings achieve broadband long-wave...
Paper Details
Title
Enhanced absorption per unit mass for infrared arrays using subwavelength metal–dielectric structures
Published Date
Jan 1, 2021
Volume
38
Issue
1
Pages
183 - 193
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