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We propose a novel single fiber optical tweezers based on a graded-index multimode fiber (GIMMF), whose length is arbitrary (when the length is larger than 5mm). The optical fiber tweezers based on GIMMFs can propagate larger light field intensity and trap particles easily. The optical fiber tweezers based on precise length GIMMF had been achieved. In this paper, the optical fiber tweezers applies...
A spider uses up to seven different types of silk, all having specific functions, to build its web. For scientists, native silk — directly extracted from spiders — is a tough, biodegradable and biocompatible thread used mainly for tissue engineering and textile applications. Blessed with outstanding optical properties, this protein strand can also be used as an optical fibre and is, moreover, intrinsically...
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