期刊
NANO LETTERS
卷 11, 期 6, 页码 2375-2381出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl200720m
关键词
Semiconductor nanowires; optical tweezers; Brownian motion; nanoparticle metrology
类别
资金
- Australian Research Council
We report on the optical trapping characteristics of InP nanowires with dimensions of 30 (+/- 6) nm in diameter and 2-15 mu m in length. We describe a method for calibrating the absolute position of individual nanowires relative to the trapping center using synchronous high-speed position sensing and acousto-optic beam switching. Through Brownian dynamics we investigate effects of the laser power and polarization on trap stability, as well as length dependence and the effect of simultaneous trapping multiple nanowires.
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