Optical tweezers based on total internal reflection micro-optics mounted on the tip of a single mode optical fiber
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United States of America
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Mar 5, 2024
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app pub date -
Dec 2, 2021
filing date -
Dec 2, 2021
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Abstract
The present disclosure relates to a rotationally symmetric dielectric structure for optical beam shaping and for trapping and manipulating individual particles and living biological cells in aqueous medium, concentrically mounted on the facet of a single-mode optical fiber, wherein the structure comprises at least three total reflection surfaces configured to split a light field emerging from the single-mode optical fiber into at least two separate light paths and wherein the at least three total reflection surfaces are further configured to bring the separate light paths together as a ring beam in a common focal point.
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