Fig. 5: Scanning spectral imaging with vdW spectrometers.
From: Miniaturized spectrometer with intrinsic long-term image memory

a Schematic of the spectral imaging system with our spectrometer. b Reconstructed and reference spectra of points 1 and 2 in (a). c The initial photocurrent data cube, consisting of measured photocurrent values at each scanned location and gate voltage. d The spectral data cube converted from (c) using the reconstruction algorithm. A series of (e) photocurrent images and (f) reconstructed images at each scanned location and selected gate voltages. g Original scanned image and (h) reconstructed pseudo-colored spectral image.