Diagnostics and electron-optics of a high current electron beam in the Tandem free electron laser - status report

A. Arensburg, A. Abramovich, D. Chairman, M. Cohen, M. Draznin, A. Gover, H. Kleinman, Y. Pinhasi, J. S. Sokolowski, V. Shterngartz, I. M. Yakover, L. A. Levin, O. Shahal, A. Rosenberg, J. Shiloh, al et al

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations

Abstract

The electron optical design and the installation of all the Israeli Tandem FEL components, including 8 quadrupole lenses, 4 steering coils and a computerized control system, are reportedly completed. All were assembled into the high voltage terminal and controlled by a fiber optic link. Diagnostic means based on fluorescent screens and compact CCD camera cards were installed at the end of the e-gun injector. The pepper pot technique was used to study the electron beam. The experiment consists of passing the 0.5 A beam through a thin plate which is perforated with an array of 0.5 mm holes. The spots produced on a fluorescent screen placed 90 cm from the pepper pot were recorded with a CCD camera and a frame grabber. The measured normalized emittance is lower than 10πmm mrad which is quite close to the technical limit of dispenser cathode e-guns.

Original languageEnglish
Pages (from-to)ABS1-ABS3
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume375
Issue number1-3
DOIs
StatePublished - 1996
Externally publishedYes
EventProceedings of the 1995 17th International Free Electron Laser Conference - New York, NY, USA
Duration: 21 Aug 199525 Aug 1995

Fingerprint

Dive into the research topics of 'Diagnostics and electron-optics of a high current electron beam in the Tandem free electron laser - status report'. Together they form a unique fingerprint.

Cite this