Laser-induced forces on small objects in a resonant background gas

E. J. Van Duijn; L. N. Cornelisse; P. L. Chapovsky; L. J.F. Hermans

doi:https://doi.org/10.1063/1.364314

Laser-induced forces on small objects in a resonant background gas

E. J. Van Duijn, L. N. Cornelisse, P. L. Chapovsky, L. J.F. Hermans

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

Abstract

A laser tuned into the Doppler wing of an absorption line in a low-pressure gas creates a flux of excited molecules. If these deexcite on the surface of a suspended micrometer-sized particle, internal-to-translational energy conversion produces a recoil force on the micro-particle. This new type of force is investigated in a pilot experiment. As a resonant gas we use HF or CH₃F. An odd-in-detuning force on a 20 μm diameter probe wire simulating the particle is indeed observed. Possible applications are discussed.

Original language	English
Pages (from-to)	3299-3303
Number of pages	5
Journal	JOURNAL OF APPLIED PHYSICS
Volume	81
Issue number	7
DOIs	https://doi.org/10.1063/1.364314
Publication status	Published - 1 Apr 1997

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AB - A laser tuned into the Doppler wing of an absorption line in a low-pressure gas creates a flux of excited molecules. If these deexcite on the surface of a suspended micrometer-sized particle, internal-to-translational energy conversion produces a recoil force on the micro-particle. This new type of force is investigated in a pilot experiment. As a resonant gas we use HF or CH3F. An odd-in-detuning force on a 20 μm diameter probe wire simulating the particle is indeed observed. Possible applications are discussed.

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JO - Journal of Applied Physics

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Laser-induced forces on small objects in a resonant background gas

Abstract

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