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Diamonds are a laser scientist's new best friend
Date:8/7/2013

Once a James Bond fantasy, diamond-based lasers are now becoming a reality.

Ground-breaking research is harnessing the unique properties of diamonds to develop a new generation of lasers that could lead to many benefits, from better treatment of skin complaints and diabetes-related eye conditions to improved pollution monitoring and aeronautical engineering.

A University of Strathclyde team has developed a new type of high-performance, ultra-versatile Raman laser* that harnesses diamonds to produce light beams with more power and a wider range of colours than current Raman lasers. These capabilities could open up important new applications. The research is funded by the Engineering and Physical Sciences Research Council (EPSRC).

Although researchers in Australia are also working on innovative diamond-based Raman laser technology, the Strathclyde team has achieved two major world firsts:

  • The first ever 'tunable' diamond Raman lasers, where the colour of the light can be adjusted to meet specific needs (e.g. the treatment of vascular lesions** requires a yellow/orange light that is difficult to produce with conventional lasers but which is needed to maximise absorption by the lesion while minimising damage to surrounding tissue). Underpinning this breakthrough is the fact that diamond's optical properties enable diamond lasers to produce a range of colours that are hard to generate by conventional means. For example, yellow/orange light which can be used in medicine in the treatment of conditions such as vascular lesions or retinal bleeding of blood vessels at the back of the eyes.

  • The first ever continuously operating diamond Raman laser. This is important because lasers that can only provide short pulses of light are unsuited to some medical and other applications (e.g. where pulses would damage delicate structures in the eye). In medical treatment for highly sensitive areas therefore, there are situa
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Contact: Press Office
pressoffice@epsrc.ac.uk
01-793-444-404
Engineering and Physical Sciences Research Council
Source:Eurekalert

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