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optical tweezers

American  

noun

(used with a singular or plural verb)
  1. a laser device used to study, manipulate, or trap a microscopic object, as a microorganism or cell, with nanometer precision.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

These "optical tweezers" keep drifting aerosols suspended long enough to study them.

From Science Daily Nov. 24, 2025

It traps neutral atoms using tightly focused laser beams, called optical tweezers, and encodes qubits in the electronic states of the atoms or in the spins of atoms’ nuclei.

From Scientific American Feb. 13, 2023

Dr. Ashkin became the oldest Nobel laureate in history when he earned the physics prize in 2018, at age 96, for inventing optical tweezers more than three decades earlier.

From Washington Post Sep. 28, 2020

Dr Ashkin developed a laser technique described as optical tweezers, which is used to study biological systems.

From BBC Oct. 2, 2018

Among other things, optical tweezers can keep a tiny organism swimming in place while scientists study its paddling flagella under a microscope.

From Time Magazine Archive

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