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An optical system was designed that can generate a bottle beam with a reconfigurable function. The incident beam is produced by transmitting a circular Gaussian beam through the oblique circular… Click to show full abstract
An optical system was designed that can generate a bottle beam with a reconfigurable function. The incident beam is produced by transmitting a circular Gaussian beam through the oblique circular aperture, effectively forming the elliptic beam spot. Due to the asymmetry of the elliptically limited Gaussian beam, the bottle beam with locally vanishing light intensity is generated after the optical system. The results show that the bottle beam can be opened and closed freely by the oblique circular aperture, which is of great significance to particle capture.
Journal Title: Applied optics
Year Published: 2020
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