TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
CAGE FARADAY [2 records]
Record 1 - internal organization data 2001-03-30
Record 1, English
Record 1, Subject field(s)
- Radioelectricity
Record 1, Main entry term, English
- ambient interference level
1, record 1, English, ambient%20interference%20level
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record 1, French
Record 1, Domaine(s)
- Radioélectricité
Record 1, Main entry term, French
- niveau des perturbations ambiantes
1, record 1, French, niveau%20des%20perturbations%20ambiantes
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Les filtres assurent le passage de l'énergie électrique à l'intérieur de la cage de Faraday et permettent de réduire le niveau des perturbations ambiantes [...] 1, record 1, French, - niveau%20des%20perturbations%20ambiantes
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1990-06-18
Record 2, English
Record 2, Subject field(s)
- Atomic Physics
Record 2, Main entry term, English
- linear proton accelerator
1, record 2, English, linear%20proton%20accelerator
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Linear proton accelerators. The design principle applied in linear accelerators for protons was originated by Luis Alvarez at Berkeley in 1946. It is based on the formation of standing electromagnetic waves in a long cylindrical metal tank, or cavity, as it is sometimes called. In the design that has been adopted, the electric field is parallel to the axis of the tank. Most of these accelerators operate at frequencies of about 200 MHz. During the time required for a proton to traverse one of these tanks, the accelerating electric fields undergo many reversal of direction. In Alvarez' design, the decelerating effect of the field during the intervals when it opposes the motion of the particles is prevented by installing on the axis of the tank a number of "drift tubes" .... The electric field is zero inside the drift tubes, and if their lengths are properly chosen, the protons cross the gap between adjacent drift tubes when the direction of the field produces acceleration and are shielded by the drift tubes when the field in the tank would decelerate them. The length of the drift tubes are proportional to the speeds of the particles that pass through them. 1, record 2, English, - linear%20proton%20accelerator
Record 2, French
Record 2, Domaine(s)
- Physique atomique
Record 2, Main entry term, French
- accélérateur linéaire à protons
1, record 2, French, acc%C3%A9l%C3%A9rateur%20lin%C3%A9aire%20%C3%A0%20protons
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
(...) ce n’ est qu'avec le développement des générateurs de puissance radiofréquence(rf) que Luis W. Alvarez a été en mesure de proposer(...) la structure qui est encore utilisée aujourd’hui dans les versions modernes de l'accélérateur linéaire à protons. Une cavité résonnante cylindrique est excitée à une fréquence d’environ 200 MHz(...) Il s’agit d’une onde électromagnétique caractérisée par un champ magnétique perpendiculaire à la direction de propagation et un champ électrique possédant une composition parallèle à la direction de propagation. Pour que les protons ne soient soumis au champ électrique que pendant une phase accélératrice, des tubes de glissement, formant cage de Faraday pour les particules les traversant, sont disposés suivant l'axe de la cavité.(...) La longueur des tubes croît à mesure que la vitesse des protons augmente. 1, record 2, French, - acc%C3%A9l%C3%A9rateur%20lin%C3%A9aire%20%C3%A0%20protons
Record 2, Spanish
Record 2, Textual support, Spanish
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