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passive resonant cavity [1 record]

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Record 1 2002-08-26

English

Subject field(s)
  • Lasers and Masers
  • Optics
  • Flight Instruments and Equipment (Aeroindustry)
CONT

Resonant Fiber - Optic Gyros. Evolved as a solid state derivative of the passive ring gyro, which makes use of a laser source external to the ring cavity. A passive resonant cavity is formed from a multi-turn closed loop of optical fiber.

French

Domaine(s)
  • Masers et lasers
  • Optique
  • Instruments et équipement de bord (Constructions aéronautiques)
CONT

[...] signalons l'entrée en service en 1994, sur avion de transport civil, du gyromètre à fibre optique [...] Son principe de fonctionnement est voisin du gyrolaser à cavité. [...] Ce gyromètre sans gaz, ni plasma, ni pièce mécanique mobile est particulièrement robuste. [...] Un autre type de gyromètre optique est à l'étude, dit à cavité résonnante passive et constitué d'un guide d'onde en forme d'anneau. Il est toujours basé sur le principe de deux faisceaux de lumière contra-rotatifs.

OBS

Résonant, variante résonnant.

Spanish

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