free-running laser

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• Laser absorption spectrometry — (LAS) refers to techniques that utilize lasers to assess the concentration or amount of a species in gas phase by absorption spectrometry (AS).It is well known that optical spectroscopic techniques in general and laser based techniques in… …   Wikipedia

• Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

• Laser hair removal — Epilation by laser was performed experimentally for about 20 years before it became commercially available in the mid 1990s. Intense Pulsed Light (IPL) epilators, though technically not a laser, use xenon flash lamps that emit full spectrum light …   Wikipedia

• Laser tag — is a team or individual sport where players attempt to score points by engaging targets, typically with a hand held infrared emitting targeting device. Infrared sensitive targets are commonly worn by each player and are sometimes integrated… …   Wikipedia

• Laser 558 — was a popular European offshore pirate radio station (others include Radio Caroline, Radio Noordzee and Swinging Radio England) launched in 1984. Laser 558 used mainly American disc jockeys who had been recruited and flown over from the USA. The… …   Wikipedia

• Laser Squad — Infobox VG| title = Laser Squad developer = Target Games publisher = Blade Software released = 1988 (ZX Spectrum/C64) 1989 (CPC/Amiga/Atari ST) 1992 (PC) genre = Turn based tactics modes = Single player, Two player platforms = Amiga, Amstrad CPC …   Wikipedia

• Laser 4000 — The Laser 4000 (aka 4K, 4 tonner) is a well known racing dinghy crewed by two persons. Its one design weight equalised system enables physically differing sailors to compete on a level playing field. It is most popular in Europe, particularly the …   Wikipedia

• Tunable diode laser absorption spectroscopy — (TDLAS) is a technique for measuring the concentration of certain species such as methane, water vapor and many more, in a gaseous mixture using tunable diode lasers and laser absorption spectrometry. The advantage of TDLAS over other techniques… …   Wikipedia

• Noise-Immune Cavity-Enhanced Optical-Heterodyne Molecular Spectroscopy — (NICE OHMS) is an ultra sensitive laser based absorption technique that utilizes laser light to assess the concentration or the amount of a species in gas phase by absorption spectrometry (AS). Principles The NICE OHMS technique combines in a… …   Wikipedia

• Noise-immune cavity-enhanced optical heterodyne molecular spectroscopy — (NICE OHMS) is an ultra sensitive laser based absorption technique that utilizes laser light to assess the concentration or the amount of a species in gas phase by absorption spectrometry (AS). Contents 1 Principles 1.1 Types of signals 1.2… …   Wikipedia

• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium