Superspectroscopy: 100-fold enhancement in THz time-domain imaging contrast via superoscillating waveform shaping
Peisong Peng,
Dustin R. Lindberg,
Gerard McCaul
et al.
Abstract:We demonstrate, with both numerical simulation and experiment, that of all the waveforms that can exist in a band-limited system, superoscillation provides the best contrast for distinguishing optically similar substances.
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