Writing in Optics Letters, David Spence and his co-workers from Macquarie University in Australia report the first picosecond pulse, mode-locked diamond Raman laser emitting at 573 nm (ref.

USING the 2536.5 radiation of the mercury arc as the exciter and a Hilger Intermediate quartz spectrograph, the faint second-order Raman spectrum of diamond was first successfully recorded by me 1.

A diamond unearthed in a diamond mine in Botswana is just such a stone ... Gu and her colleagues studied just such a gem in detail, finding 12 mineral inclusions and a milky inclusion cluster. Using ...