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Noted Physicist P Hariharan passed away

Jul 28, 2015 15:34 IST

Eminent physicist P Hariharan died on 26 July 2015 in Berkeley, California. He was 89. He is survived by a son and a daughter.

Hariharan had contributed in various researches including in the design of a new 3-beam interferometer, first practical radial-shear interferometer and double passed Fabry-Perot interferometer.

He was the first physicist to apply digital phase-shifting techniques to holographic interferometry in order to measure strains and vector displacements. He had also developed multicolour rainbow holograms and improvised multicolour reflection holograms.

About P Hariharan

• Born on 24 December 1926, Hariharan had worked at New Delhi based National Physical Laboratory (NPL) from 1949 to 1951 and at the Ottawa based National Research Council (NRC) from 1951- 1954.
• He had received a PhD (doctorate) for his work on photographic resolving power.
• He was awarded with the Joseph Fraunhofer Medal of the Optical Society of America, Walter Boas Medal of the Australian Institute of Physics and Thomas Young Medal of the Institute of Physics, London for his works.
• Hariharan had also authored 4 books and published more than 200 research papers.

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Who: P Hariharan

What: Passed away

When: 26 July 2015

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