Novel Solid-State Laser Design Based on Synthetic Diamond From Element Six Opens up New Ap... ( ASCOT England October 14 /- Resea...)

Novel Solid-State Laser Design Based on Synthetic Diamond From Element Six Opens up New Applications

Date:10/14/2008

ASCOT, England, October 14 /PRNewswire/ -- Researchers at the Institute of Photonics, University of Strathclyde, have started work on a 3.5 year project to develop a novel solid-state laser design incorporating CVD (chemical vapour deposition) diamond manufactured by Element Six Ltd. Element Six leads the world in the field of CVD diamond synthesis and its application.

The development of a diamond Raman laser could open up a raft of new application areas in, for example, underwater imaging, medical imaging, ophthalmology, cancer therapy and multispectral imaging. The project will be led by Dr. Alan Kemp at the Institute of Photonics, University of Strathclyde supported by a grant of more than GBP600,000 from the UK government-funded Engineering and Physical Sciences Research Council, EPSRC.

The use of diamond as a solid-state laser material opens up new opportunities to design small, compact solid state lasers with greater power handling capabilities and operating at currently unavailable wavelengths so opening up new application areas. Diamond has a unique combination of optical and thermal properties that make it suitable for this application and these properties can be exploited through the latest single crystal CVD material produced by Element Six. Raman lasers have already been developed using materials such as silicon, for example, and are used in telecommunications, but the use of diamond could move their capabilities to new power levels and wavelengths.

How Raman lasers work

Raman lasers make use of a phenomenon called Raman Scattering discovered in 1922. When photons hit a substance, a tiny fraction of them interact by causing the atoms of the substance to vibrate. In such 'inelastic' collisions, the photons gain or lose specific amounts of energy, resulting in light of a different wavelength. A Raman laser amplifies the secondary light by oscillating it and pumping energy into the system to emit a coherent laser beam. '/>"/>

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