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- *[[Light]] intensity (so-called [[Gaussian beam]]s, as in [[laser]] light) ...4 KB (515 words) - 18:40, 2 October 2016
- [[File:Lasers.jpeg|right|thumb|200px|A [[laser]] emits photons.]] ...4 KB (665 words) - 07:41, 25 June 2017
- ...oth aspects of time dilation.<ref>{{cite book|last=Blaszczak Z. 2007|title=Laser 2006|url=https://books.google.com/books?id=xbh0iBmDF0AC&pg=PA59|page=59|pub ...4 KB (681 words) - 09:08, 18 February 2017
- In the [[free-electron laser]] the intensity increases [[exponential growth|exponentially]] with the num ...5 KB (784 words) - 20:07, 20 May 2016
- ...rgy is a specific amount of energy. Light sources such as [[candle]]s or [[laser]]s shoot out (or "emit") light in bits called [[photon]]s. Photons are like * [[Laser]]s ...36 KB (5,991 words) - 08:00, 24 August 2017
- ...tifiably]] assume that a [[wikt:photon|photon]] produced by a [[wikt:laser|laser]] aimed at a [[detection screen]] will hit very near to its [[wikt:target|t ...in a barrier. If one knows the time at which the photon was emitted (by a laser, for instance) and the time that the photon arrives at a detection screen s ...42 KB (7,065 words) - 02:42, 24 August 2017
- ...tistics+predicts+that+all+atoms+will+be+in+the+ground+state%22 Solid-State Laser Engineering]. Springer, 2013, p. 4. "At absolute zero temperature, Boltzman ...23 KB (3,626 words) - 09:52, 1 September 2017