Figure | Schematic of the working principle of computational spectrometers. (IMAGE)
Caption
Figure | Schematic of the working principle of computational spectrometers. a, Learning process (also known as the calibration process). Various optical elements act as encoders. The response matrix R of the encoders is measured via diverse known spectra. b, Measurement process. The output signal I is detected under an unknown incident light. c, Reconstructed spectral information S by computational methods with the data obtained in the above two processes.
Credit
Yiru Zhang et al.
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