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Laser Focus World
QUANTUM DOTS: Columnar dots achieve low-threshold lasing
Oct. 1, 1998
Researchers at Fujitsu Laboratories Ltd. (Atsugi, Japan) have achieved continuous-wave (CW) lasing from a new type of columnar-shaped self-organized quantum dot. The closely stacked...
OPTICALLY STIMULATED LUMINESCENCE: Laser technique dates Ice-Age paintings
Aug. 1, 1997
Grains of sand from age-hardened mud-wasp nests and laser-based optically stimulated luminescence (OSL) have enabled Australian scientists to establish that rock paintings in ...
Emissive display shows high-brightness images
Feb. 1, 1997
Researchers at Canon Inc. (Tokyo, Japan) have developed a new flat-panel cathodoluminescent display based on surface conduction electron emitters (SCEs).
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