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Experiments with optical tweezers race to test the laws of quantum mechanics

  • Written by Mishkat Bhattacharya, Associate Professor in the School of Astronomy, Rochester Institute of Technology
Experiments with optical tweezers race to test the laws of quantum mechanicsA silica sphere with a radius of 50 nanometers is trapped levitating in a beam of light. J. Adam Fenster, University of Rochester, CC BY-SA

One might think that the optical tweezer – a focused laser beam that can trap small particles – is old hat by now. After all, the tweezer was invented by Arthur Ashkin in 1970. And he received the N...

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