Projecting extended optical traps with shape-phase holography

Yohai Roichman; David G. Grier

doi:10.1364/OL.31.001675

Projecting extended optical traps with shape-phase holography

Yohai Roichman, David G. Grier

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

Abstract

We describe a method for projecting single-beam optical traps whose potential energy wells are extended along one-dimensional curves. This technique exploits shape-phase holography in which computer-generated phase-only diffractive optical elements are used to implement complex and amplitude-only holograms. The resulting optical traps can have specified intensity and phase profiles along their lengths and can extend along curves in three dimensions. We demonstrate the extended traps' operation and characterize their potential energy profiles through digital video microscopy of trapped colloidal spheres.

Original language	English (US)
Pages (from-to)	1675-1677
Number of pages	3
Journal	Optics Letters
Volume	31
Issue number	11
DOIs	https://doi.org/10.1364/OL.31.001675
State	Published - Jun 1 2006

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.31.001675

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AB - We describe a method for projecting single-beam optical traps whose potential energy wells are extended along one-dimensional curves. This technique exploits shape-phase holography in which computer-generated phase-only diffractive optical elements are used to implement complex and amplitude-only holograms. The resulting optical traps can have specified intensity and phase profiles along their lengths and can extend along curves in three dimensions. We demonstrate the extended traps' operation and characterize their potential energy profiles through digital video microscopy of trapped colloidal spheres.

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Projecting extended optical traps with shape-phase holography

Abstract

ASJC Scopus subject areas

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