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A dye laser tuned to 589nm (amber yellow), pumped with an external, frequency-doubled Nd:YAG laser @ 532nm (yellowish-green). The closeness between wavelengths results in a very small Stokes shift, reducing energy losses. A laser of a suitable type can be used to pump another laser. The pump laser's narrow spectrum allows it to be closely ...
Optical pumping is a process in which light is used to raise (or "pump") electrons from a lower energy level in an atom or molecule to a higher one. It is commonly used in laser construction to pump the active laser medium so as to achieve population inversion. The technique was developed by the 1966 Nobel Prize winner Alfred Kastler in the ...
In continuous-wave laser applications, however, BiBO may exhibit instabilities which degrade its performance. [4] Yellow DPSSLs use an even more complicated process: An 808 nm pump diode is used to generate 1,064 nm and 1,342 nm light, which are summed in parallel to become 593.5 nm. Due to their complexity, most yellow DPSSLs are only around 1 ...
The Scranton Fire Department has a Sutphen rescue, two aerial trucks, and two engines. [citation needed] Greenville, South Carolina, has an all Sutphen fleet including a heavy rescue, two engines, and a 100-foot (30 m) platform. [citation needed] Kenosha, Wisconsin, maintains an all Sutphen fleet of 7 Engines and 3 Ladder trucks. The newest ...
Part of a Ti:sapphire oscillator. The Ti:sapphire crystal is the bright red light source on the left. The green light is from the pump diode. Titanium-sapphire lasers (also known as Ti:sapphire lasers, Ti:Al 2 O 3 lasers or Ti:sapphs) are tunable lasers which emit red and near-infrared light in the range from 650 to 1100 nanometers.
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The engines are small in both physical dimensions and power output, relative to larger automobile engines.Power outputs are typically less than 11 kW (15 hp). The smallest of all are used in handheld garden machinery, such as string trimmers and chainsaws, which have a displacement as small as 24 cc (1.5 cu in). [2]