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3 receive Nobel physics prize for laser research

In this April 17, 2015, file photo a national library employee shows the gold Nobel Prize medal awarded to the late novelist Gabriel Garcia Marquez, in Bogota, Colombia.  AP

STOCKHOLM —  Three scientists from the United States, France and Canada have been awarded the Nobel Prize in physics for advances in laser physics.

The Swedish Royal Academy of Sciences on Tuesday awarded half the 9-million-kronor ($1.01 million) prize to Arthur Ashkin of the United States and the other half will be shared by Gerard Mourou of France and Canada’s Donna Strickland.

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The academy says Ashkin developed “optical tweezers” that can grab tiny particles such as viruses without damaging them.

Strickland and Mourou helped develop short and intense laser pulses that have broad industrial and medical applications. /ee

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