Effect of spatial coherence on radiation forces acting on a Rayleigh dielectric sphere

Li Gang Wang*, Cheng Liang Zhao, Li Qin Wang, Xuan Hui Lu, Shi Yao ZHU

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)

Abstract

We show that the radiation forces (RFs) on a Rayleigh dielectric sphere induced by a partially coherent light beam are greatly affected by the spatial coherence. We find that the magnitude of the RFs greatly decreases as the spatial coherence decreases and derive an inequality for the required correlation width σ0 (i.e., the spatial coherence of the beam) to stably trap the particles.

Original languageEnglish
Pages (from-to)1393-1395
Number of pages3
JournalOptics Letters
Volume32
Issue number11
DOIs
Publication statusPublished - 1 Jun 2007

Scopus Subject Areas

  • Atomic and Molecular Physics, and Optics

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