Design Of Helios Beam Diagnostics

J. D. Seagrave; I. J. Bigio; S. V. Jackson; A. M. Laird

doi:10.1117/12.957743

13 November 1980 Design Of Helios Beam Diagnostics

J. D. Seagrave, I. J. Bigio, S. V. Jackson, A. M. Laird

Proceedings Volume 0190, Los Alamos Conference on Optics 1979; (1980) https://doi.org/10.1117/12.957743
Event: Los Alamos Conference on Optics '79, 1979, Los Alamos, United States

Abstract

Verification of satisfactory operation of the HELIOS eight-beam laser system requires measurement of many parameters of each beam on each shot. Fifty-joule samples of each of the eight 1250-J, subnanosecond 34-cm-diameter beams of the HELIOS system are diverted to a gallery of eight folded telescopes and beamsplit to provide diagnostic measurements. Total pulse energy, and prepulse and postlase energy of each beam are measured; pulse shape details and a wavelength spectrum of a selected beam from each shot are measured; and provision is made for retropulse measurement and optical quality monitoring. All data are recorded digitally in a local screen room, with control and communication through a fiberoptic link to the main HELIOS computer.

Citation Download Citation

J. D. Seagrave, I. J. Bigio, S. V. Jackson, and A. M. Laird "Design Of Helios Beam Diagnostics", Proc. SPIE 0190, Los Alamos Conference on Optics 1979, (13 November 1980); https://doi.org/10.1117/12.957743

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