Utilization Of Optical Image Data From The Advanced Test Accelerator (ATA)

F. W. Chambers; J. S. Kallman; M. E. Slominski; Y. P. Chong; D. Donnelly; J. P. Cornish

doi:10.1117/12.940689

6 October 1987 Utilization Of Optical Image Data From The Advanced Test Accelerator (ATA)

F. W. Chambers, J. S. Kallman, M. E. Slominski, Y. P. Chong, D. Donnelly, J. P. Cornish

Proceedings Volume 0787, Optical Techniques for Sensing and Measurement in Hostile Environments; (1987) https://doi.org/10.1117/12.940689
Event: 1987 Technical Symposium Southeast on Optics, Electro-Optics, and Sensors, 1987, Orlando, FL, United States

Abstract

Extensive use is made of optical diagnostics to obtain information on the 50-MeV, 10-kA, 70-ns pulsed-electron beam produced by the Advanced Test Accelerator (ATA).1 Light is generated by the beam striking a foil inserted in the beamline or through excitation of the gas when the beamline is filled with air. The emitted light is collected and digitized. Two-dimensional images are recorded by either a gated framing camera or a streak camera. Extraction of relevant beam parameters such as current density, current, and beam size requires an understanding of the physics of the light-generation mechanism and an ability to handle and properly exploit a large digital database of image data. We will present a brief overview of the present understanding of the light-generation mechanisms in foil and gas, with emphasis on experimental observations and trends. We will review our data management and analysis techniques and indicate successful approaches for extracting beam parameters.

Citation Download Citation

F. W. Chambers, J. S. Kallman, M. E. Slominski, Y. P. Chong, D. Donnelly, and J. P. Cornish "Utilization Of Optical Image Data From The Advanced Test Accelerator (ATA)", Proc. SPIE 0787, Optical Techniques for Sensing and Measurement in Hostile Environments, (6 October 1987); https://doi.org/10.1117/12.940689

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