lasing threshold
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Lasing threshold — The lasing threshold is the lowest excitation level at which a laser s output is dominated by stimulated emission rather than by spontaneous emission. Below the threshold, the laser s output power rises slowly with increasing excitation. Above… … Wikipedia
lasing threshold — lazerio generacijos slenkstis statusas T sritis radioelektronika atitikmenys: angl. laser oscillation threshold; lasing threshold vok. Lasereinsatzschwelle, f; Laserschwellenwert, m rus. порог генерации лазера, m pranc. limite d oscillation de… … Radioelektronikos terminų žodynas
Threshold — may refer to:Books and comics* Threshold (novel), a 1985 science fiction novel by David R. Palmer * Threshold (Sara Douglass novel), a 1997 fantasy novel by Sara Douglass * Threshold , a 2001 science fiction novel by Caitlín R. KiernanFilm and… … Wikipedia
laser oscillation threshold — lazerio generacijos slenkstis statusas T sritis radioelektronika atitikmenys: angl. laser oscillation threshold; lasing threshold vok. Lasereinsatzschwelle, f; Laserschwellenwert, m rus. порог генерации лазера, m pranc. limite d oscillation de… … Radioelektronikos terminų žodynas
Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale … Wikipedia
Dye laser — Close up of a table top dye laser based on Rhodamine 6G, emitting at 580 nm (yellow orange). The emitted laser beam is visible as faint yellow lines. The orange dye solution enters the laser from the left, and is pumped by a 514 nm (blue green)… … Wikipedia
Yttrium aluminium garnet — YAG redirects here. For the IATA airport code see Fort Frances Municipal Airport. For the YMCA sponsored program see YMCA Youth and Government. Yttrium aluminium garnet General Category synthetic mineral Chemical formula Y3Al … Wikipedia
Gain-switching — is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, of the order of picoseconds (10 12s).In a semiconductor laser, the optical pulses are generated by injecting a large number of carriers… … Wikipedia
Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment … Wikipedia
Laser diode rate equations — The laser diode rate equations model the electrical and optical performance of a laser diode. This system of ordinary differential equations relates the number or density of photons and charge carriers (electrons) in the device to the injection… … Wikipedia
Solid-state laser — A solid state laser is a laser that uses a gain medium that is a solid, rather than a liquid such as in dye lasers or a gas as in gas lasers. Semiconductor based lasers are also in the solid state, but are generally considered as a separate class … Wikipedia
