Laser Performance Operations Model (LPOM).

Laser Performance Operations Model (LPOM). PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
The Laser Performance Operations Model (LPOM) has been developed to provide real time predictive capabilities for the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory. LPOM uses diagnostic feedback from previous NIF shots to maintain accurate energetics models for each of the 192 NIF beamlines (utilizing one CPU per laser beamline). This model is used to determine the system setpoints (initial power, waveplate attenuations, laser diagnostic settings) required for all requested NIF shots. In addition, LPOM employs optical damage models to minimize the probability that a proposed shot may damage the system. LPOM provides post-shot diagnostic reporting to support the NIF community. LPOM was deployed prior to the first main laser shots in NIF, and has since been used to set up every shot in NIF's first quad (four beamlines). Real-time adjustments of the codes energetics parameters allows the LPOM to predict total energies within 5%, and provide energy balance within the four beamlines to within 2% for shots varying from 0.5 to 26 kJ (1.053[micro]m) per beamline. The LPOM has been a crucial tool in the commissioning of the first quad of NIF.

Laser Performance Operations Model (LPOM).

Laser Performance Operations Model (LPOM). PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
The Laser Performance Operations Model (LPOM) has been developed to provide real time predictive capabilities for the National Ignition Facility (NIF) at Lawrence Livermore National Laboratory. LPOM uses diagnostic feedback from previous NIF shots to maintain accurate energetics models for each of the 192 NIF beamlines (utilizing one CPU per laser beamline). This model is used to determine the system setpoints (initial power, waveplate attenuations, laser diagnostic settings) required for all requested NIF shots. In addition, LPOM employs optical damage models to minimize the probability that a proposed shot may damage the system. LPOM provides post-shot diagnostic reporting to support the NIF community. LPOM was deployed prior to the first main laser shots in NIF, and has since been used to set up every shot in NIF's first quad (four beamlines). Real-time adjustments of the codes energetics parameters allows the LPOM to predict total energies within 5%, and provide energy balance within the four beamlines to within 2% for shots varying from 0.5 to 26 kJ (1.053[micro]m) per beamline. The LPOM has been a crucial tool in the commissioning of the first quad of NIF.

Laser Performance Operations Model (LPOM)

Laser Performance Operations Model (LPOM) PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 6

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Book Description


Laser Performance Operations Model (LPOM)

Laser Performance Operations Model (LPOM) PDF Author: W. Williams
Publisher:
ISBN:
Category :
Languages : en
Pages : 28

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Book Description
The National Ignition Facility (NIF), currently under construction at the University of California's Lawrence Livermore National Laboratory (LLNL) is a stadium-sized facility containing a 192-beam, 1.8 MJ, 500-TW, 351-nm laser system together with a 10-m diameter target chamber with room for nearly 100 experimental diagnostics. When completed, NIF will be the world's largest laser experimental system, providing a national center to study inertial confinement fusion and the physics of matter at extreme energy densities and pressures. The first four beamlines (a quad) have recently been commissioned, and operations on the first bundle (units of eight beamlines) will begin in Summer 2005. A computational system, the Laser Performance Operations Model (LPOM) has been developed and deployed to automate the laser setup process, and accurately predict laser energetics. For each shot on NIF, the LPOM determines the characteristics of the injection laser system required to achieve the desired main laser output, provides parameter checking for equipment protection, determines the required diagnostic setup, and supplies post-shot data analysis and reporting.

Optical Modeling and Performance Predictions

Optical Modeling and Performance Predictions PDF Author:
Publisher:
ISBN:
Category : Electrooptical devices
Languages : en
Pages : 434

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Book Description


Optical Engineering at the Lawrence Livermore National Laboratory II

Optical Engineering at the Lawrence Livermore National Laboratory II PDF Author: Monya A. Lane
Publisher: SPIE-International Society for Optical Engineering
ISBN:
Category : Political Science
Languages : en
Pages : 206

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Book Description
Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.

Computational Modeling in Support of National Ignition Facility Operations

Computational Modeling in Support of National Ignition Facility Operations PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
Numerical simulation of the National Ignition Facility (NIF) laser performance and automated control of laser setup process are crucial to the project's success. These functions will be performed by two closely coupled computer codes: the virtual beamline (VBL) and the laser operations performance model (LPOM).

Solid State Lasers Materials, Technologies and Applications

Solid State Lasers Materials, Technologies and Applications PDF Author: Federico Pirzio
Publisher: MDPI
ISBN: 3038428418
Category : Technology & Engineering
Languages : en
Pages : 177

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Book Description
This book is a printed edition of the Special Issue "Solid State Lasers Materials, Technologies and Applications" that was published in Applied Sciences

Inertial Fusion Sciences and Applications 2005

Inertial Fusion Sciences and Applications 2005 PDF Author: Jean-Claude Gauthier
Publisher:
ISBN:
Category : Controlled fusion
Languages : en
Pages : 1288

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Book Description


Journal de physique

Journal de physique PDF Author:
Publisher:
ISBN:
Category : Physics
Languages : en
Pages : 1310

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Book Description


Systems Approaches to Nuclear Fusion Reactors

Systems Approaches to Nuclear Fusion Reactors PDF Author: Frederick B. Marcus
Publisher: Springer Nature
ISBN: 3031177118
Category : Science
Languages : en
Pages : 484

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Book Description
This book offers an overall review, applying systems engineering and architecture approaches, of the design, optimization, operation and results of leading fusion experiments. These approaches provide a unified means of evaluating reactor design. Methodologies are developed for more coherent construction or evaluation of fusion devices, associated experiments and operating procedures. The main focus is on tokamaks, with almost all machines and their important results being integrated into a systems design space. Case studies focus on DIII-D, TCV, JET, WEST, the fusion reactor prototype ITER and the EU DEMO concept. Stellarator, Mirror and Laser inertial confinement experiments are similarly analysed, including reactor implications of breakeven at NIF. The book examines the engineering and physics design and optimization process for each machine, analysing their performance and major results achieved, thus establishing a basis for the improvement of future machines. The reader will gain a broad historical and up-to-date perspective of the status of nuclear fusion research from both an engineering and physics point of view. Explanations are given of the computational tools needed to design and operate successful experiments and reactor-relevant machines. This book is aimed at both graduate students and practitioners of nuclear fusion science and engineering, as well as those specializing in other fields demanding large and integrated experimental equipment. Systems engineers will obtain valuable insights into fusion applications. References are given to associated complex mathematical derivations, which are beyond the scope of this book. The general reader interested in nuclear fusion will find here an accessible summary of the current state of nuclear fusion.