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Diamond lasers for use in Raman

Australian scientists from Macquarie University and the Defence Science Technology Organisation have made significant progress in developing an efficient laser using diamond optical elements supplied by synthetic diamond manufacturer, Element Six.

The properties of the single crystal diamond have the potential to enable miniature lasers of unprecedented power and wavelength range for use in Raman spectroscopy. The researchers have demonstrated an efficient 532nm-pumped external cavity diamond Raman laser.

The efficiency of the new laser matches that of other gain materials used for Raman spectroscopy, such as metal tungstates. The diamond Raman laser generated an output of 1.2W at 573nm (the first Stokes wavelength for Raman Spectroscopy). The group is now looking to increase output power with a view to producing powerful miniature lasers that can be used in a range of new applications.

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