Resolution Limitations And Optimization Of The ITT F4157 Streak Tube Focus For 10-Ps Operation

E. L. Grasz; R. A. Lerche; R. L. Griffith

doi:10.1117/12.948665

1 February 1989 Resolution Limitations And Optimization Of The ITT F4157 Streak Tube Focus For 10-Ps Operation

E. L. Grasz, R. A. Lerche, R. L. Griffith

Proceedings Volume 0981, High Speed Photography, Videography, and Photonics VI; (1989) https://doi.org/10.1117/12.948665
Event: 32nd Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1988, San Diego, CA, United States

Abstract

We studied the focusing properties of an ITT F4157 image tube that was biased at voltages far from the original design and is used for operation in an ultrafast (10 ps) streak camera. Its output resolution at streak camera operating potentials was measured as a function of input slit width, incident-light wavelength, and focus-grid voltage, with results similar to those reported for the RCA C73435 streak tube. The temporal resolution is insensitive to focus-grid voltage for a narrow (50 μm) input slit, but is very sensitive to focus-grid voltage for a wide (500 μm) input slit. Spatial resolution is nearly independent of focus-grid voltage for values that give good temporal resolution. Both temporal and spatial resolution depend on the incident-light wavelength. Streak camera operation is simulated with a computer program that calculates photoelectron trajectories. Electron ray tracing describes the observed effects of slit width, incident-light wavelength, and focus-grid voltage on the output resolution.

Citation Download Citation

E. L. Grasz, R. A. Lerche, and R. L. Griffith "Resolution Limitations And Optimization Of The ITT F4157 Streak Tube Focus For 10-Ps Operation", Proc. SPIE 0981, High Speed Photography, Videography, and Photonics VI, (1 February 1989); https://doi.org/10.1117/12.948665

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