Last Updated
：2025/12/04
Bessel beam
（ plural ）
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A field of electromagnetic, acoustic or gravitational radiation whose amplitude is described by a Bessel function of the first kind.
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Bessel beam
During the experiment, the team focused a Bessel beam through the sample to create a long, nondiffracting line of excitation.
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During the experiment, the team focused a Bessel beam through the sample to create a long, nondiffracting line of excitation.
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