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Target diagnostic control system implementation for the National Ignition Facility (invited).

R T Shelton1, J H Kamperschroer, L J Lagin

  • 1Lawrence Livermore National Laboratory, Livermore, California 94550, USA. sheltonl@llnl.gov

The Review of Scientific Instruments
|November 2, 2010
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Summary
This summary is machine-generated.

A new diagnostic control system (DCS) framework enhances operations for the National Ignition Facility (NIF) laser. This system improves reliability and reduces costs for complex physics experiments by standardizing diagnostic instrumentation.

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Area of Science:

  • Nuclear Fusion Science
  • High-Energy-Density Physics
  • Laser-Plasma Interactions

Background:

  • The National Ignition Facility (NIF) utilizes a 192-beam laser to study extreme physics in shocked targets.
  • Developing numerous diagnostics by external collaborators presents challenges in operational reliability and cost-effectiveness due to ad hoc control systems.

Purpose of the Study:

  • To present a novel diagnostic control system (DCS) framework designed for NIF's complex experimental environment.
  • To demonstrate how the DCS facilitates the development, integration, and reliable operation of diverse diagnostic instruments.

Main Methods:

  • Implementation of a DCS framework integrating hardware and software components for diagnostic control.
  • Interfacing individual instruments with low-cost processors and JAVA applications within a standardized architecture.
  • Utilizing extensible markup language (XML) for reusable diagnostic instrument configurations.

Main Results:

  • The DCS framework enables the aggregation of individual instruments into integrated diagnostics with enhanced data management and control services.
  • Reusable DCS instrument configurations minimize application code, streamline testing, and improve overall system reliability.
  • Collaborators can assemble diagnostics more cost-effectively by leveraging existing DCS instruments.

Conclusions:

  • The diagnostic control system (DCS) framework offers a robust and cost-effective solution for managing complex instrumentation in high-energy-density physics experiments.
  • Standardization through the DCS framework enhances operational efficiency and reliability for NIF's target diagnostics.
  • The DCS architecture promotes collaborative development and reduces costs for scientific research at NIF.