High-resolution mid-infrared spectral reconstruction using a subwavelength coaxial aperture array
B Craig, J Meng, VR Shrestha, JJ Cadusch, KB Crozier
Conference on Lasers and Electro-Optics | IEEE | Published : 2019
© 2019 The Author(s) We demonstrate mid-infrared computational spectroscopy using an array of coaxial aperture filters. We experimentally determine material transmission spectra using an algorithm whose inputs are the transmission spectra and the power transmitted through each filter.