Metallic capillary atom source for cross beam collision study

qian dong-bin; zhao zhi-zheng; ma xin-wen; zu kai-ling; zhang da-cheng

Volume 18 Issue 06

Jun. 2006

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Article Navigation > High Power Laser and Particle Beams > 2006 > 18(06): 0-

zhang hai-ou, wang kun, wang gui-lan. Numerical simulation of laser plasma interaction[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

qian dong-bin, zhao zhi-zheng, ma xin-wen, et al. Metallic capillary atom source for cross beam collision study[J]. High Power Laser and Particle Beams, 2006, 18.

zhang hai-ou, wang kun, wang gui-lan. Numerical simulation of laser plasma interaction[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

qian dong-bin, zhao zhi-zheng, ma xin-wen, et al. Metallic capillary atom source for cross beam collision study[J]. High Power Laser and Particle Beams, 2006, 18.

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Metallic capillary atom source for cross beam collision study

1.
Institute of Modern Physics,Chinese Academy of Sciences,P.O.Box 31,Lanzhou 730000,China;
2.
Graduate School of Chinese Academy of Sciences,Beijing 100039,China

Publish Date: 2006-06-15

Abstract

Abstract

A metallic capillary atom beam source of simple and compact design is described. As the first test, thulium is evaporated and the cations which are mainly due to the thermal ionization are measured. The strongpoint of small power and high temperature of atom source is proved by temperature approaching 2 300 K corresponding to only 180 W power. The stability of thulium atom beam for two hours is better than 5 %. An atom beam density of about 8×1012cm－3 in the region at a distance 35 mm beyond the source exit is easily attained and can be sustained for about 8 hours. The test has testified that the metallic capillary atom beam source is suitable for crossed beam study of collision processes involving electrons, ions or photons where the collision products may be studied by methods based on
- metallic capillary atom source,
- atom beam stability,
- atom beam density,
- atom beam spread

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