Abstract

The electrode configuration and electron-optics of a newly designed streak image tube (Photochron IV) are described. The results of our theoretical studies show that the Photochron IV can have a limiting temporal resolution ∼0.2 ps when the photocathode is illuminated near the long wavelength cutoff and subpicosecond resolution ≲0.5 ps in the UV/visible/NIR spectral regions and ∼1 ps for 1-keV x rays. This streak tube design also possesses the features of a good dynamic range and reduced temporal distortion.

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