19 November 1982 Beam Diagnostics On The HELEN Laser System At Atomic Weapons Research Establishment (AWRE)
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Proceedings Volume 0343, Laser Diagnostics; (1982); doi: 10.1117/12.933738
Event: 1982 Technical Symposium East, 1982, Arlington, United States
Abstract
The HELEN laser system at the Atomic Weapons Research Establishment, is a two beam Nd-glass laser used for the study of laser plasma phenomena relevant to weapons physics, and is capable of generating 100 J pulses of 1TW peak power in each arm. This paper presents an overview of the system with particular reference to recent developments in beam diagnostics. The diagnostics discussed fall into two categories of equal importance. Firstly, the measurement of beam parameters required for the complete analysis of experimental target data, namely laser pulse energy, pulse width, pre-pulse ratio and far-field intensity distribution; and secondly, measurement of parameters used to ensure optimum system performance such as near-field intensity distribution, amplifier gains and passive component transmission.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. L. Cooke, C. J. Norman, C. N. Danson, "Beam Diagnostics On The HELEN Laser System At Atomic Weapons Research Establishment (AWRE)", Proc. SPIE 0343, Laser Diagnostics, (19 November 1982); doi: 10.1117/12.933738; https://doi.org/10.1117/12.933738
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KEYWORDS
Diagnostics

Oscillators

Mirrors

Amplifiers

Laser systems engineering

Beam splitters

Diodes

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