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- Sagnac_effect abstract "The Sagnac effect (also called Sagnac interference), named after French physicist Georges Sagnac, is a phenomenon encountered in interferometry that is elicited by rotation. The Sagnac effect manifests itself in a setup called a ring interferometer. A beam of light is split and the two beams are made to follow the same path but in opposite directions. To act as a ring the trajectory must enclose an area. On return to the point of entry the two light beams are allowed to exit the ring and undergo interference. The relative phases of the two exiting beams, and thus the position of the interference fringes, are shifted according to the angular velocity of the apparatus. This arrangement is also called a Sagnac interferometer.A gimbal mounted mechanical gyroscope remains pointing in the same direction after spinning up, and thus can be used as a rotational reference for an inertial navigation system. With the development of so-called laser gyroscopes and fiber optic gyroscopes based on the Sagnac effect, the bulky mechanical gyroscope is replaced by one having no moving parts in many modern inertial navigation systems.The principles behind the two devices are different, however. A conventional gyroscope relies on the principle of conservation of angular momentum whereas the sensitivity of the ring interferometer to rotation arises from the invariance of the speed of light for all inertial frames of reference.".
- Sagnac_effect thumbnail Sagnac_interferometer.png?width=300.
- Sagnac_effect wikiPageExternalLink open?pubNo=lrr-2003-1&page=node1.html.
- Sagnac_effect wikiPageExternalLink 2-07.htm.
- Sagnac_effect wikiPageExternalLink StedmanReview1997.pdf.
- Sagnac_effect wikiPageID "1636296".
- Sagnac_effect wikiPageRevisionID "603630887".
- Sagnac_effect hasPhotoCollection Sagnac_effect.
- Sagnac_effect subject Category:Interferometry.
- Sagnac_effect subject Category:Physics_experiments.
- Sagnac_effect subject Category:Theory_of_relativity.
- Sagnac_effect type Abstraction100002137.
- Sagnac_effect type Act100030358.
- Sagnac_effect type Activity100407535.
- Sagnac_effect type Event100029378.
- Sagnac_effect type Experiment100639556.
- Sagnac_effect type Investigation100633864.
- Sagnac_effect type PhysicsExperiments.
- Sagnac_effect type PsychologicalFeature100023100.
- Sagnac_effect type Research100636921.
- Sagnac_effect type ScientificResearch100641820.
- Sagnac_effect type Work100575741.
- Sagnac_effect type YagoPermanentlyLocatedEntity.
- Sagnac_effect comment "The Sagnac effect (also called Sagnac interference), named after French physicist Georges Sagnac, is a phenomenon encountered in interferometry that is elicited by rotation. The Sagnac effect manifests itself in a setup called a ring interferometer. A beam of light is split and the two beams are made to follow the same path but in opposite directions. To act as a ring the trajectory must enclose an area.".
- Sagnac_effect label "Efecto Sagnac".
- Sagnac_effect label "Effet Sagnac".
- Sagnac_effect label "Effetto Sagnac".
- Sagnac_effect label "Interferometr Sagnaca".
- Sagnac_effect label "Sagnac effect".
- Sagnac_effect label "Sagnac-Interferometer".
- Sagnac_effect label "Sagnac-effect".
- Sagnac_effect label "Эффект Саньяка".
- Sagnac_effect label "تأثير ساغناك".
- Sagnac_effect label "サニャック効果".
- Sagnac_effect sameAs Sagnacův_efekt.
- Sagnac_effect sameAs Sagnac-Interferometer.
- Sagnac_effect sameAs Efecto_Sagnac.
- Sagnac_effect sameAs Effet_Sagnac.
- Sagnac_effect sameAs Efek_Sagnac.
- Sagnac_effect sameAs Effetto_Sagnac.
- Sagnac_effect sameAs サニャック効果.
- Sagnac_effect sameAs Sagnac-effect.
- Sagnac_effect sameAs Interferometr_Sagnaca.
- Sagnac_effect sameAs m.05jjql.
- Sagnac_effect sameAs Q582007.
- Sagnac_effect sameAs Q582007.
- Sagnac_effect sameAs Sagnac_effect.
- Sagnac_effect wasDerivedFrom Sagnac_effect?oldid=603630887.
- Sagnac_effect depiction Sagnac_interferometer.png.
- Sagnac_effect isPrimaryTopicOf Sagnac_effect.