Green laser pointers »
Posted By lasscape 1 year, 2 months ago in Science & TechnologyGreen laser pointers were first commercially sold in the year 2000. They operate at the wavelength of 532 nm. Laser diodes of this wavelength are not available so the green light is obtained by the use of "DPSSFD" laser technology. The process:- A very high-powered Infrared laser diode working at 808 nm pumps a tiny block of Nd: YVO
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