Shiva Oscillator Alignment System. Reference manual
Shiva is a 20-arm Nd:glass laser used for inertial confinement fusion experiments. The broad range of control, data acquisition, and analysis functions required to support the system has resulted in the implementation of a hierarchal computer network in which these functions have been divided into major subsystems: power conditioning, fusion target diagnostics, beam disgnostics, and alignment control. The alignment control subsystem includes pointing, centering, and focusing, as well as certain selection operations involving many hundreds of control points from the oscillators to the target. Alignment is accomplished with a chopped CW YAG laser directed from the oscillator through all 20 laser chains to a surrogate target. Sensors placed at strategic locations detect errors and provide feedback through the control system to motor driven gimbals.
- Research Organization:
- California Univ., Livermore (USA). Lawrence Livermore National Lab.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 5232934
- Report Number(s):
- M-114(Ref.Manual)
- Country of Publication:
- United States
- Language:
- English
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