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In particular the group led by Colin Webb has
made contributions to the development of new types of gas lasers
and the understanding of their mechanisms including: the introduction
of new optical diagnostic techniques, the first application of flowing
afterglow techniques to the study of the formation of excited species
in thermal energy charge-transfer reactions, the discovery of some
30 new laser transitions excited by such charge-transfer reactions,
the development of a new type of discharge device for metal-ion
lasers, the demonstration of the first practical device for discharge-excitation
of rare-gas-halide (RHG) excimer lasers, the introduction of the
'automatic pre-ionization' technique for discharge-excited excimer
lasers, the development of practical VUV lasers, the introduction
of cryogenic gas purification techniques for extending the working
lifetime of the gas mixtures of excimer and VUV lasers, the development
of practical high power metal vapour lasers for scientific, industrial
and medical applications, as well as contributions, both theoretical
and experimental, to the understanding of instabilities in high
pressure glow discharges, in particular the concept of the ‘halogen
donor depletion’ instability mechanism and the development
of new tunable, ultra violet and visible high repetition rate, pulsed,
solid state laser systems pumped by copper vapour lasers.
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In 1977 together with colleagues and former students
he set up Oxford Lasers Ltd., and has served as Chairman of the Company
from its beginning. The Company is today recognized as a world leader
in High-Speed Imaging and Laser Micro-machining technology.
Until his retirement in 2002, Colin Webb was
the ad hominem Professor of Laser Physics at the University of Oxford,
and from 1995-1999 he was Head of Atomic and Laser Physics. He was
awarded the degree of D.Sc. honoris causa by Salford University in
1996. He is a Fellow of the Institute of Physics and of the Optical
Society of America serving as Director-at-Large from 1991-1994. In
1991 he was elected as a Fellow of the Royal Society of London, and
in 1997 as the first President of the UK Consortium for Photonics
and Optics (UKCPO), a post which he held until 2002. In January 2000
he was awarded an MBE for services to the UK Laser Industry.
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