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Arthur Ashkin, Nobel laureate, has died at the age of 98. Ashkin, known for his pioneering work in the creation of optical tweezers, was the first to observe optical gradient forces on atoms, the first to perform laser cooling of atoms known as “optical molasses,” and the first to observe optical trapping of atoms. His work in the area of optical trapping and manipulation of small dielectric particles using optical gradient forces would become the foundation for the future of physics research in ultracold and trapped atoms.
Ashkin studied physics at Columbia College and received a B.A. in physics in 1947 and a Ph.D. in nuclear physics from Cornell University in 1952.
He worked at the Columbia Radiation Lab from 1942…READ MORE