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Mapping optical process in semiconductor nanowires using dynamic optical tweezers

Wang, Fan; Toe, Wen Jun; Hartstone, Alexander; Ming Lee, Woei; McGloin, David; Gao, Qiang; Jagadish, Chennupati; Reece, Peter; Tan, Hark Hoe


We present a novel method for spatial mapping of the luminescent properties of single optically trapped semiconductor nanowires by combing dynamic optical tweezers with micro-photoluminescence. The technique involves the use of a spatial light modulator (SLM) to control the axial position of the trapping focus relative to the excitation source and collection optics. When a nanowire is held in this arrangement, scanning the axial position of the trapping beam enables different sections of the...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering
DOI: 10.1117/12.928558


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