Three researchers shared this year's Nobel Prize in Physics for 'laser physics work'

Three researchers on Tuesday shared the Nobel Physics Prize for inventions in the field of laser physics which have paved the way for advanced precision instruments used in industry and medicine, the jury said.

Arthur Ashkin of the United States won one half of the prize, while Gerard Mourou of France and Donna Strickland of Canada shared the other half.

(With inputs from agencies.)