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The light fantastic

Optical tweezers use light to manipulate tiny particles — but only one at a time. If the light in the tweezers is a 'Bessel beam', this problem can be overcome, creating some interesting experimental possibilities.

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Figure 1: A Bessel beam.


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Correspondence to Martin Hegner.

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Hegner, M. The light fantastic. Nature 419, 125–127 (2002).

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