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Laser Manipulation of Atoms and Particles

Chu, Steven·1991·Science

Abstract

A variety of powerful techniques to control the position and velocity of neutral particles has been developed. As examples of this new ability, lasers have been used to construct a variety of traps, to cool atoms to temperatures below 3 × 10-6 kelvin, and to create atomic fountains that may give us a hundredfold increase in the accuracy of atomic clocks. Bacteria can be held with laser traps while they are being viewed in an optical microscope, and organelles within a cell can be manipulated without puncturing the cell wall. Single molecules of DNA can now be stretched out and pinned down in a water solution with optical traps. These new capabilities may soon be applied to a wide variety of scientific questions as diverse as precision measurements of fundamental symmetries in physics and the study of biochemistry on a single molecule basis.

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Metadata

Authors
Chu, S.
Venue
Science
Published
1991-08-23
Volume
253
Issue
5022
Pages
861-866
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2009996123
Cited by
390
References
0
FWCI
7.08
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Laser Manipulation of Atoms and Particles. https://app.cochat.ai/papers/10.1126/science.253.5022.861
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Chu, S. (1991). Laser Manipulation of Atoms and Particles. Science. https://doi.org/10.1126/science.253.5022.861

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.