Brian Orr

Brian J. Orr is an Australian scientist known for his contributions to laser spectroscopy and optical parametric oscillators. He graduated with a BSc (Hons I) from the University of Sydney. Orr received his PhD from the University of Bristol and was a professor at the University of New South Wales prior to his professorship appointment at the Faculty of Science of Macquarie University.

Orr has performed a wide variety of spectroscopic research and is the author, or co-author, of numerous refereed publications. His research career began on diatomic molecular spectroscopy. Back in Australia his research focused mainly on laser infrared–ultraviolet double resonance spectroscopy.

More recently his research has expanded towards the development of tunable coherent sources, in particular optical parametric oscillators for spectroscopy, medicine, and other applications. Orr's overall research activities may be summarized by the Optical Society's citation to the 2004 W. F. Meggers Award: "for advancing molecular spectroscopy by experiment and theory on infrared- and Raman-ultraviolet double resonance, coherent Raman spectroscopy, cavity ringdown spectroscopy, photoelectron spectroscopy, nonlinear optics, and tunable coherent light sources."

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