Microfiber knot laser operates evanescently

July 2007
Laser Focus World;Jul2007, Vol. 43 Issue 7, p13
The article focuses on the fiber-ring laser developed by researchers at Zheijiang University and Fudan University which consists of a silica microfiber tied into a knot in China. The active medium is the dye solutions in an interesting twist in which the fiber is immersed. The dye solution pumped by 532 nanometer light from within the solid fiber lases between 570 and 580 nanometer, evenescently coupling its light back into the microfiber knot.


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