New Type Femtosecond Streak Tube

Katsuyuki Kinoshita; Masao Ito; Motohiro Suyama

doi:10.1117/12.969142

7 June 1989 New Type Femtosecond Streak Tube

Katsuyuki Kinoshita, Masao Ito, Motohiro Suyama

Proceedings Volume 1032, 18th Intl Congress on High Speed Photography and Photonics; (1989) https://doi.org/10.1117/12.969142
Event: 18th International Congress on High Speed Photography and Photonics, 1988, Xi'an, Shaanxi, China

Abstract

The mechanism of intensity dependent recorded pulse broadening in the magnetic focusing femtosecond streak tube has been analyzed. The results have shown that it is due to broadening of an electron packet along the tube axis induced by space charge effects between the photocathode and the deflection electrode. Based on these analyses, a new tube with high dynamic range has been proposed. Photoelectron beam is swept by the deflection electrode immediately after it has been emitted from the photocathode. After passing the deflection electrode, the beam is focused by the focusing electron lens on the output screen. The temporal resolution of the tube is -500fs. Improved results are being obtained.

Citation Download Citation

Katsuyuki Kinoshita, Masao Ito, and Motohiro Suyama "New Type Femtosecond Streak Tube", Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989); https://doi.org/10.1117/12.969142

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