Optical forces arising from phase gradients

Yohai Roichman; Bo Sun; Yael Roichman; Jesse Amato-Grill; David G. Grier

doi:10.1103/PhysRevLett.100.013602

Optical forces arising from phase gradients

Yohai Roichman, Bo Sun, Yael Roichman, Jesse Amato-Grill, David G. Grier

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate both theoretically and experimentally that phase gradients in a light field can be used to create a new category of optical traps complementary to the more familiar intensity-gradient traps known as optical tweezers. We further show that the work done by phase-gradient forces is path dependent and briefly discuss some ramifications of this nonconservativity.

Original language	English (US)
Article number	013602
Journal	Physical Review Letters
Volume	100
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.100.013602
State	Published - Jan 8 2008

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.100.013602

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abstract = "We demonstrate both theoretically and experimentally that phase gradients in a light field can be used to create a new category of optical traps complementary to the more familiar intensity-gradient traps known as optical tweezers. We further show that the work done by phase-gradient forces is path dependent and briefly discuss some ramifications of this nonconservativity.",

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Optical forces arising from phase gradients

Abstract

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