<YONHAP PHOTO-0533> Arthur Ashkin stands next to a plaque that commemorates his Nobel Prize in Physics, Monday, Dec. 17, 2018, at Nokia Bell Labs in Murray Hill, N.J. Ashkin delivered his Nobel address in New Jersey as he was unable to attend the ceremonies in Stockholm, Sweden. (AP Photo/Seth Wenig)/2018-12-18 04:25:05/ <저작권자 ⓒ 1980-2018 ㈜연합뉴스. 무단 전재 재배포 금지.>
Arthur Ashkin stands next to a plaque that commemorates his Nobel Prize in Physics, Monday, Dec. 17, 2018, at Nokia Bell Labs in Murray Hill, N.J. Ashkin delivered his Nobel address in New Jersey as he was unable to attend the ceremonies in Stockholm, Sweden. (AP Photo/Seth Wenig)/2018-12-18 04:25:05/ <저작권자 ⓒ 1980-2018 ㈜연합뉴스. 무단 전재 재배포 금지.>

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