Characterization of semiconductor nanowires using optical tweezers

Peter J. Reece, Wen Jun Toe, Fan Wang, Suriati Paiman, Qiang Gao, H. Hoe Tan, C. Jagadish

Research output: Contribution to journalArticlepeer-review

67 Citations (Scopus)

Abstract

We report on the optical trapping characteristics of InP nanowires with dimensions of 30 (±6) nm in diameter and 2 - 15 μm 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.

Original languageEnglish
Pages (from-to)2375-2381
Number of pages7
JournalNano Letters
Volume11
Issue number6
DOIs
Publication statusPublished - 8 Jun 2011

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