Experimental study on low-velocity-spread axis-encircling electron gun

S. G. Jeon; C. W. Baik; D. H. Kim; B. Jia; G. S. Park; N. Sato; K. Yokoo

doi:10.1109/ICMMT.2002.1187669

Experimental study on low-velocity-spread axis-encircling electron gun

S. G. Jeon, C. W. Baik, D. H. Kim, B. Jia, G. S. Park, N. Sato, K. Yokoo

Information Devices Division

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

The axial velocity spread is measured using a pin-hole and phosphor screen. The measured data is compared with the theoretical estimation. The theoretical calculations are performed by using a new single-cusp gun theory that shows the possibility of fairly low velocity spreads. In this experiment, a 30 kV, 1.0 A Pierce-type electron gun was used, with a peak magnetic flux density of 4.38 kG. The magnetic field has an asymmetric magnetic cusp by which the electron beam can be made to be an axis-encircling electron beam. The result of the preliminary measurement of the axial velocity spread follows closely the theoretically estimated values. The minimum value of the axial velocity spread is about 2%.

Original language	English
Title of host publication	ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	198-201
Number of pages	4
ISBN (Electronic)	078037486X, 9780780374867
DOIs	https://doi.org/10.1109/ICMMT.2002.1187669
Publication status	Published - 2002 Jan 1
Event	3rd International Conference on Microwave and Millimeter Wave Technology, ICMMT 2002 - Beijing, China Duration: 2002 Aug 17 → 2002 Aug 19

Publication series

Name	ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology

Other

Other	3rd International Conference on Microwave and Millimeter Wave Technology, ICMMT 2002
Country/Territory	China
City	Beijing
Period	02/8/17 → 02/8/19

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering
Instrumentation

Access to Document

10.1109/ICMMT.2002.1187669

Cite this

Jeon, S. G., Baik, C. W., Kim, D. H., Jia, B., Park, G. S., Sato, N., & Yokoo, K. (2002). Experimental study on low-velocity-spread axis-encircling electron gun. In ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology (pp. 198-201). [1187669] (ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICMMT.2002.1187669

Experimental study on low-velocity-spread axis-encircling electron gun. / Jeon, S. G.; Baik, C. W.; Kim, D. H. et al.

ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology. Institute of Electrical and Electronics Engineers Inc., 2002. p. 198-201 1187669 (ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Jeon, SG, Baik, CW, Kim, DH, Jia, B, Park, GS, Sato, N & Yokoo, K 2002, Experimental study on low-velocity-spread axis-encircling electron gun. in ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology., 1187669, ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology, Institute of Electrical and Electronics Engineers Inc., pp. 198-201, 3rd International Conference on Microwave and Millimeter Wave Technology, ICMMT 2002, Beijing, China, 02/8/17. https://doi.org/10.1109/ICMMT.2002.1187669

Jeon SG, Baik CW, Kim DH, Jia B, Park GS, Sato N et al. Experimental study on low-velocity-spread axis-encircling electron gun. In ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology. Institute of Electrical and Electronics Engineers Inc. 2002. p. 198-201. 1187669. (ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology). https://doi.org/10.1109/ICMMT.2002.1187669

Jeon, S. G. ; Baik, C. W. ; Kim, D. H. et al. / Experimental study on low-velocity-spread axis-encircling electron gun. ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology. Institute of Electrical and Electronics Engineers Inc., 2002. pp. 198-201 (ICMMT 2002 - 2002 3rd International Conference on Microwave and Millimeter Wave Technology).

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abstract = "The axial velocity spread is measured using a pin-hole and phosphor screen. The measured data is compared with the theoretical estimation. The theoretical calculations are performed by using a new single-cusp gun theory that shows the possibility of fairly low velocity spreads. In this experiment, a 30 kV, 1.0 A Pierce-type electron gun was used, with a peak magnetic flux density of 4.38 kG. The magnetic field has an asymmetric magnetic cusp by which the electron beam can be made to be an axis-encircling electron beam. The result of the preliminary measurement of the axial velocity spread follows closely the theoretically estimated values. The minimum value of the axial velocity spread is about 2%.",

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AU - Jeon, S. G.

AU - Baik, C. W.

AU - Kim, D. H.

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AU - Sato, N.

AU - Yokoo, K.

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AB - The axial velocity spread is measured using a pin-hole and phosphor screen. The measured data is compared with the theoretical estimation. The theoretical calculations are performed by using a new single-cusp gun theory that shows the possibility of fairly low velocity spreads. In this experiment, a 30 kV, 1.0 A Pierce-type electron gun was used, with a peak magnetic flux density of 4.38 kG. The magnetic field has an asymmetric magnetic cusp by which the electron beam can be made to be an axis-encircling electron beam. The result of the preliminary measurement of the axial velocity spread follows closely the theoretically estimated values. The minimum value of the axial velocity spread is about 2%.

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Experimental study on low-velocity-spread axis-encircling electron gun

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