Mr. Sheldon S. Q. Wu Profile

Sheldon S. Q. Wu

at Lawrence Livermore National Lab

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 4 March 2019 Presentation

Beam shape optimization for laser powder beam fusion additive manufacturing (Conference Presentation)

Alexander Rubenchik, S. Khairallah, S. Wu, G. Guss, T. Roehling, J. McKeown, M. Matthews

Proceedings Volume 10909, 109090B (2019) https://doi.org/10.1117/12.2511202

KEYWORDS: Beam shaping, Laser welding, Additive manufacturing, Fusion energy, Energy efficiency, Thermal modeling, Optical simulations, Electromagnetic simulation

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SPIE Journal Paper | 23 December 2017 Open Access

Polarization effects associated with thermal processing of HY-80 structural steel using high-power laser diode array

Sheldon S.Q. Wu, Bradford Baker, Mark Rotter, Alexander Rubenchik, Maxwell Wiechec, Zachary Brown, Raymond Beach, Manyalibo Matthews

OE, Vol. 56, Issue 12, 124108, (December 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.12.124108

KEYWORDS: Thermal effects, Semiconductor lasers, Polarization, Diodes, Iron, Temperature metrology, High power lasers, Laser applications, Metals, Cameras

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SPIE Journal Paper | 17 July 2014 Open Access

Temperature-dependent 780-nm laser absorption by engineering grade aluminum, titanium, and steel alloy surfaces

Alexander Rubenchik, Sheldon Wu, V. Keith Kanz, Mary LeBlanc, W. Howard Lowdermilk, Mark Rotter, Joel Stanley

OE, Vol. 53, Issue 12, 122506, (July 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.12.122506

KEYWORDS: Aluminum, Absorption, Temperature metrology, Metals, Titanium, Oxides, Semiconductor lasers, Convection, Surface finishing, Oxidation

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Proceedings Article | 12 May 2008 Paper

Resonance transition 795-nm rubidium laser using He buffer gas

Sheldon S. Wu, Thomas Soules, Ralph Page, Scott Mitchell, V. Keith Kanz, Raymond Beach

Proceedings Volume 7005, 700523 (2008) https://doi.org/10.1117/12.782376

KEYWORDS: Rubidium, Semiconductor lasers, Data modeling, Reflectivity, Output couplers, Laser resonators, Systems modeling, Diodes, Carbon, Reliability

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Proceedings Article | 21 February 2008 Paper

Hydrocarbon-free resonance transition 795-nm rubidium laser

Sheldon Wu, Thomas Soules, Ralph Page, Scott Mitchell, V. Keith Kanz, Raymond Beach

Proceedings Volume 6874, 68740E (2008) https://doi.org/10.1117/12.765592

KEYWORDS: Rubidium, Semiconductor lasers, Data modeling, Reflectivity, Output couplers, Laser resonators, Diodes, Carbon, Reliability, Sapphire lasers

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