FR2444390A1 - Systeme magnetique de regroupement des particules chargees au sein d'un faisceau pulse - Google Patents

Systeme magnetique de regroupement des particules chargees au sein d'un faisceau pulse

Info

Publication number
FR2444390A1
FR2444390A1 FR7835383A FR7835383A FR2444390A1 FR 2444390 A1 FR2444390 A1 FR 2444390A1 FR 7835383 A FR7835383 A FR 7835383A FR 7835383 A FR7835383 A FR 7835383A FR 2444390 A1 FR2444390 A1 FR 2444390A1
Authority
FR
France
Prior art keywords
electrons
pulsed beam
packets
density
varying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7835383A
Other languages
English (en)
Other versions
FR2444390B1 (fr
Inventor
Dominique Tronc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CGR MEV SA
Original Assignee
CGR MEV SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CGR MEV SA filed Critical CGR MEV SA
Priority to FR7835383A priority Critical patent/FR2444390A1/fr
Priority to US06/102,900 priority patent/US4314218A/en
Publication of FR2444390A1 publication Critical patent/FR2444390A1/fr
Application granted granted Critical
Publication of FR2444390B1 publication Critical patent/FR2444390B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
    • G21K1/08—Deviation, concentration or focusing of the beam by electric or magnetic means
    • G21K1/093—Deviation, concentration or focusing of the beam by electric or magnetic means by magnetic means

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Particle Accelerators (AREA)

Abstract

Système magnétique permettant d'obtenir, à partir d'un faisceau pulsé d'électrons délivrant des paquets d'électrons, de densité do , un faisceau pulsé formé de paquets d'électrons de densité k do , ce résultat étant obtenu par la conversion de la variation des moments de quantité de mouvement des électrons émis pendant le temps DELTA t d'une impulsion, en une variation de longueur des trajectoires de ces électrons, ceci ayant pour résultat un regroupement des électrons au sein des paquets. Ce système magnétique comporte un électro-aimant de plusieurs pièces polaires A, B, D délimitant une succession d'entrefers dans lesquels sont créés, au moyen d'au moins une bobine annulaire disposées dans ces entrefers, des champs magnétiques de différentes valeurs. Application : irradiation d'une cible au moyen d'un faisceau à impulsions courtes, délivrant des paquets d'électrons accélérés de haute densité.
FR7835383A 1978-12-15 1978-12-15 Systeme magnetique de regroupement des particules chargees au sein d'un faisceau pulse Granted FR2444390A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7835383A FR2444390A1 (fr) 1978-12-15 1978-12-15 Systeme magnetique de regroupement des particules chargees au sein d'un faisceau pulse
US06/102,900 US4314218A (en) 1978-12-15 1979-12-12 Magnetic system for rearranging or regrouping charged particles within a pulsed beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7835383A FR2444390A1 (fr) 1978-12-15 1978-12-15 Systeme magnetique de regroupement des particules chargees au sein d'un faisceau pulse

Publications (2)

Publication Number Publication Date
FR2444390A1 true FR2444390A1 (fr) 1980-07-11
FR2444390B1 FR2444390B1 (fr) 1982-09-03

Family

ID=9216188

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7835383A Granted FR2444390A1 (fr) 1978-12-15 1978-12-15 Systeme magnetique de regroupement des particules chargees au sein d'un faisceau pulse

Country Status (2)

Country Link
US (1) US4314218A (fr)
FR (1) FR2444390A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553962A1 (fr) * 1983-10-21 1985-04-26 Cgr Mev Dispositif magnetique de regroupement

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3532698A1 (de) * 1985-09-13 1987-03-26 Zeiss Carl Fa Elektronenenergiefilter vom alpha-typ
FR2679727B1 (fr) * 1991-07-23 1997-01-03 Cgr Mev Accelerateur de protons a l'aide d'une onde progressive a couplage magnetique.
DE4310559A1 (de) * 1993-03-26 1994-09-29 Zeiss Carl Fa Abbildendes Elektronenenergiefilter
GB0110847D0 (en) * 2001-05-03 2001-06-27 Haque Paulin Breast cancer detection

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH423020A (fr) * 1964-03-13 1966-10-31 Csf Dispositif de raccourcissement d'impulsions de particules accélérées
FR2282146A1 (fr) * 1974-08-15 1976-03-12 Ca Atomic Energy Ltd Ensemble magnetique de deviation de faisceau

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659236A (en) * 1970-08-05 1972-04-25 Us Air Force Inhomogeneity variable magnetic field magnet
US3867635A (en) * 1973-01-22 1975-02-18 Varian Associates Achromatic magnetic beam deflection system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH423020A (fr) * 1964-03-13 1966-10-31 Csf Dispositif de raccourcissement d'impulsions de particules accélérées
FR2282146A1 (fr) * 1974-08-15 1976-03-12 Ca Atomic Energy Ltd Ensemble magnetique de deviation de faisceau

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/75 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553962A1 (fr) * 1983-10-21 1985-04-26 Cgr Mev Dispositif magnetique de regroupement

Also Published As

Publication number Publication date
US4314218A (en) 1982-02-02
FR2444390B1 (fr) 1982-09-03

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