Peter A. Franken (November 10, 1928 – March 11, 1999) was an American physicist who contributed to the field of nonlinear optics.
[1] In 1961, Professor Peter Franken and his coworkers in the Randall Laboratory at the University of Michigan observed for the first time the second-harmonic generation.
This event launched a golden age in optical physics that has led to applications in fields ranging from optical communications and biological imaging to X-ray generation and homeland security.
[2] In 1985 he contributed an oral history to the American Institute of Physics in which he describes background and details of his early work.
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