Plasma Dispersion Induced Self-Focusing of a Vortex Laser Beam in Silicon
Nadav Shabairou,
Zeev Zalevsky,
Moshe Sinvani
Abstract:In this work, we demonstrate the focusing of a Gaussian laser beam, in silicon, by a vortex-shaped beam where both beams are at a wavelength of 775nm, which can sharpen the beam's PSF to improve the resolution in laser scanning microscopy.
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