Oswald Jozef Leroy (16 May 1936 – 7 September 2022) was a Belgian mathematician known for his contributions to theoretical acousto-optics.
[citation needed] Since then, acousto-optic devices have been used in telecommunication and military applications.
[14] Leroy received his PhD from Ghent University in the group of Robert A. Mertens[15] for his thesis entitled Diffraction of light by ultrasound.
New developments in laser physics formed the ground for collaborations between the team of Leroy and different other laboratories.
In 1991 Leroy was awarded an honorary doctorate from the University of Gdansk, for his contributions to theoretical acousto-optics and to celebrate a collaboration with the team of Antoni Sliwinski [pl] at the Institute of Physics of the University of Gdansk.