Time-resolved soft-x-ray wide-spectrum recording system

Jun Le Qu; Qin Lao Yang; Hanben Niu; Zhong Xian F. Song

doi:10.1117/12.273396

28 May 1997 Time-resolved soft-x-ray wide-spectrum recording system

Jun Le Qu, Qin Lao Yang, Hanben Niu, Zhong Xian F. Song

Proceedings Volume 2869, 22nd International Congress on High-Speed Photography and Photonics; (1997) https://doi.org/10.1117/12.273396
Event: 22nd International Congress on High-Speed Photography and Photonics, 1996, Santa Fe, NM, United States

Abstract

A new kind of long slit soft x-ray streak camera is presented in this paper. Typical performances of the system have been characterized by broad soft x-ray beam ranging from 100 ev to 10 Kev. With a slit length of 30 mm, this camera can record simultaneously all the soft x-ray spectrum ranging from 30 angstroms to 180 angstroms with high spatio- temporal resolution. Time distortion of the camera is minimized by improving the design of the electron-optical system of the soft x-ray streak tube. Special measures have been taken to eliminate the effect of the dynamic deflection field on the focusing system and to improve the dynamic spatial resolution. With demountable photocathode and mesh, this camera can be operated under various conditions. A special vacuum system is designed to meet the needs of the camera to operate independently of the experimental chamber. Dynamic tests show that the camera has a temporal resolution of 5 ps and a spatial resolution of 15 Lp/mm along the slit length of 30 mm at the required speed of 2.5 cm/ns. The residual time distortion has been corrected in order to give initial time for each spectrum correctly.

Citation Download Citation

Jun Le Qu, Qin Lao Yang, Hanben Niu, and Zhong Xian F. Song "Time-resolved soft-x-ray wide-spectrum recording system", Proc. SPIE 2869, 22nd International Congress on High-Speed Photography and Photonics, (28 May 1997); https://doi.org/10.1117/12.273396

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KEYWORDS

X-rays

Streak cameras

Distortion

Temporal resolution

Cameras

Spatial resolution

Imaging systems

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