In the late 1980s, Valentin P. Gapontsev was among the Russians who jumped at entrepreneurial opportunities made possible by the Soviet Union’s early experiments with capitalism....
His company, founded in 1991 and now known as IPG Photonics Corp., soon won a contract in Germany to supply lasers for use in obstacle-warning systems for helicopters. Seeking access to U.S. financial markets, Dr....
Gapontsev moved IPG’s base to Oxford, Mass., in 1998....
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2021-11-05 00:00:00.0