Flash water-window x-ray generator WFX-98

Eiichi Sato; Michiaki Sagae; Toshio Ichimaru; Hidenori Ojima; Kazuyoshi Takayama; Hideaki Ido; Kimio Sakamaki; Yoshiharu Tamakawa

doi:10.1117/12.350544

22 June 1999 Flash water-window x-ray generator WFX-98

Eiichi Sato, Michiaki Sagae, Toshio Ichimaru, Hidenori Ojima, Kazuyoshi Takayama, Hideaki Ido, Kimio Sakamaki, Yoshiharu Tamakawa

Author Affiliations +

Proceedings Volume 3516, 23rd International Congress on High-Speed Photography and Photonics; (1999) https://doi.org/10.1117/12.350544
Event: Twenty-Third International Congress on High-Speed Photography and Photonics, 1998, Moscow, Russian Federation

Abstract

The fundamental study on a flash water-window x-ray generator (WFX-98) is described. This generator is composed of a high- voltage power supply, a polarity-inversion ignitron pulser, an oil-diffusion pump, and a radiation tube with a capillary. The high-voltage condenser of about 0.2 (mu) F in the pulser is charged up to 20 kV by the power supply, and the electric charges in the condenser are discharged to the capillary in the tube after closing the ignitron. In the present work, the chamber is evacuated by the pump with a pressure of about 1 mPa, and the titanium anode and cathode electrodes are employed to produce L-series characteristic x-rays in the water-window range. The diameter and the length of the ferrite capillary are 2.0 and 29 mm, respectively. Both the cathode voltage and the discharge current displayed damped oscillations. The peak values of the voltage and current increased when the charging voltage was increased, and their maximum values were -11 kV and 3.8 kA, respectively.

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Eiichi Sato, Michiaki Sagae, Toshio Ichimaru, Hidenori Ojima, Kazuyoshi Takayama, Hideaki Ido, Kimio Sakamaki, and Yoshiharu Tamakawa "Flash water-window x-ray generator WFX-98", Proc. SPIE 3516, 23rd International Congress on High-Speed Photography and Photonics, (22 June 1999); https://doi.org/10.1117/12.350544

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