Wavelength-tunable spiral-phase-contrast imaging.
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DOI: 10.1364/oe.461660
Abstract: Wavelength-tunable spiral-phase-contrast (SPC) imaging was experimentally accomplished in the visible wavelengths spanning a broad bandwidth of ∼200 nm based on a single off-axis spiral phase mirror (OSPM). By the rotation of an OSPM, which was… read more here.
Keywords: spiral phase; spc imaging; wavelength tunable;