Dr. Michael J. Shaw Profile

Dr. Michael J. Shaw

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Publications (8)

Proceedings Article | 5 March 2021 Presentation

The National Ignition Facility laser performance status

Jean-Michel Di Nicola, Steven Yang, Tiziana Bond, Mark Bowers, Leyen Chang, Simon Cohen, Michael Erickson, Catalin Filip, Jim Folta, Abe Handler, Tom Lanier, Ken Manes, Brian Olejniczak, Shahida Rana, Mike Shaw, Stanley Sommer, Mary Spaeth, Bruno Van Wonterghem, Pam Whitman, Clay Widmayer, J. Nan Wong, Paul Wegner, Dan Kalantar, David Alessi, Saroja Ammula, Brandon Buckley, Alica Calonico Soto, Wren Carr, Jason Chou, Alex Deland, Peter DeVore, Gaylen Erbert, Nathan Gottesman, Apurva Gowda, John Heebner, Charles Orth, Vincent Hernandez, Sandrine Herriot, Ron House, Chris Kinsella, Brian MacGowan, Kathleen Mccandless, Ryan Muir, Mario Ordonez, Ernesto Padilla, Alan Pao, Larry Pelz, Brett Raymond, Tayyab Suratwala, Alex Wargo, Lei Wang, Doug Larson

Proceedings Volume 11666, 1166604 (2021) https://doi.org/10.1117/12.2586868

KEYWORDS: National Ignition Facility, Diagnostics, Fusion energy, Physics, Neodymium glass lasers, Laser development

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Proceedings Article | 26 February 2015 Paper

Laser performance operations model (LPOM): The computational system that automates the setup and performance analysis of the National Ignition Facility

Michael Shaw, Ronald House

Proceedings Volume 9345, 93450E (2015) https://doi.org/10.1117/12.2084532

KEYWORDS: National Ignition Facility, Diagnostics, Laser systems engineering, Data modeling, Optical amplifiers, Computing systems, Fusion energy, Control systems, Performance modeling, Databases

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Proceedings Article | 26 February 2015 Paper

The commissioning of the advanced radiographic capability laser system: experimental and modeling results at the main laser output

J. M. Di Nicola, S. Yang, C. Boley, John Crane, J. Heebner, Thomas Spinka, P. Arnold, C. P. Barty, M. Bowers, T. Budge, K. Christensen, J. Dawson, G. Erbert, E. Feigenbaum, G. Guss, C. Haefner, M. Hermann, Doug Homoelle, J. Jarboe, J. Lawson, R. Lowe-Webb, Kathleen McCandless, Brent McHale, L. Pelz, P. Pham, M. Prantil, M. Rehak, M. Rever, Michael Rushford, R. Sacks, M. Shaw, D. Smauley, L. Smith, R. Speck, G. Tietbohl, P. Wegner, C. Widmayer

Proceedings Volume 9345, 93450I (2015) https://doi.org/10.1117/12.2080459

KEYWORDS: National Ignition Facility, Near field, Mirrors, Diagnostics, Picosecond phenomena, X-rays, Optical amplifiers, Performance modeling, Sensors, Fusion energy

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Proceedings Article | 26 August 2005 Paper

Laser performance operations model (LPOM): a tool to automate the setup and diagnosis of the National Ignition Facility

Michael Shaw, Wade Williams, Ronald House, Chris Haynam

Proceedings Volume 5867, 58671A (2005) https://doi.org/10.1117/12.617112

KEYWORDS: National Ignition Facility, Laser systems engineering, Diagnostics, Fusion energy, Optical amplifiers, Computing systems, Control systems, Data modeling, Performance modeling, Beam shaping

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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 Megajoule, 500-Terrawatt, 351-nm laser system together with a 10-meter diameter target chamber with room for nearly 100 experimental diagnostics. NIF is being built by the National Nuclear Security Administration and when completed 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. NIF's 192 energetic laser beams will compress fusion targets to conditions where they will ignite and burn, liberating more energy than required to initiate the fusion reaction. The commissioning of the first four beamlines (a quad) was completed in October 2004 -- a two-year period where a wide variety of energetic laser pulses were propagated through the laser system. Success on many of the NIF laser's missions depends on obtaining precisely specified energy waveforms from each of the 192 beams over a wide variety of pulse lengths and temporal shapes. A computational system, the Laser Performance Operations Model (LPOM) has been developed and deployed during NIF commissioning to automate the laser setup process, and accurately predict laser energtics. 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. 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 LPOM energetics model allows NIF to routinely deliver energies within 3%, of requested and provide energy balance within the four beamlines to within 2% for shots varying from 0.5 to 26 kJ (1.053 μm) per beamline. The LPOM has been a crucial tool in the commissioning of the first four beamlines (a quad) of NIF.

SPIE Journal Paper | 1 December 2004

Laser performance operations model

Michael Shaw, Wade Williams, Ronald House, Christopher Haynam

OE, Vol. 43, Issue 12, (December 2004) https://doi.org/10.1117/12.10.1117/1.1815004

KEYWORDS: National Ignition Facility, Optical amplifiers, Laser systems engineering, Diagnostics, Performance modeling, Wave plates, Control systems, Pulsed laser operation, Data modeling, Computing systems

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Proceedings Article | 28 May 2004 Paper

Optical propagation modeling for the National Ignition Facility

Wade Williams, Jerome Auerbach, Mark Henesian, Kenneth Jancaitis, Kenneth Manes, Naresh Mehta, Charles Orth, Richard Sacks, Michael Shaw, Clifford Widmayer

Proceedings Volume 5341, (2004) https://doi.org/10.1117/12.538476

KEYWORDS: National Ignition Facility, Wavefronts, Optical amplifiers, Data modeling, Diffraction, Frequency conversion, Laser beam propagation, Metrology, Deformable mirrors, Sensors

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Proceedings Article | 28 May 2004 Paper

Laser performance operations model (LPOM)

Michael Shaw, Wade Williams, Ronald House, Christopher Haynam

Proceedings Volume 5341, (2004) https://doi.org/10.1117/12.538474

KEYWORDS: National Ignition Facility, Optical amplifiers, Laser systems engineering, Diagnostics, Fusion energy, Control systems, Data modeling, Performance modeling, Wave plates, Computing systems

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Proceedings Article | 22 January 2004 Paper

Preformance and operational modeling of the National Ignition Facility

Michael Shaw, Wade Williams, Kenneth Jancaitis, C. Clay Widmayer, Ronald House

Proceedings Volume 5178, (2004) https://doi.org/10.1117/12.508428

KEYWORDS: National Ignition Facility, Laser systems engineering, Optical amplifiers, Fusion energy, Diagnostics, Computing systems, Data modeling, Control systems, Beam shaping, Performance modeling

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Showing 5 of 8 publications

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