Dr. Sween J. Butler Profile

Dr. Sween J. Butler

Metrology Engineer

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Publications (3)

Proceedings Article | 9 March 2024 Presentation

Coherent scattering in hybrid GaN meta-surfaces with ZnO nanoantennae

Sween Butler, Zhuang Miao, Arup Neogi

Proceedings Volume PC12886, PC128860J (2024) https://doi.org/10.1117/12.3004322

KEYWORDS: Zinc oxide, Gallium nitride, Physical coherence, Nonlinear optics, Semiconductors, Second harmonic generation, Light scattering, Dielectrics, Light sources, Group III-V semiconductors

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Proceedings Article | 27 February 2015 Paper

Co-existence of harmonic generation and two-photon luminescence in selectively grown coaxial InGaN/GaN quantum wells on GaN pyramids

Sween Butler, Mohamed Fikry, Manfred Madel, Klaus Thonke, Arup Neogi

Proceedings Volume 9347, 93470V (2015) https://doi.org/10.1117/12.2079855

KEYWORDS: Gallium nitride, Quantum wells, Luminescence, Zinc oxide, Harmonic generation, Indium gallium nitride, Second-harmonic generation, Spectroscopy, Femtosecond phenomena, Two photon excitation microscopy

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SPIE Journal Paper | 6 November 2013 Open Access

Microfluidic approach for direct and uniform laser irradiation to study biochemical state changes on Jurkat-T cells

Sween Butler, Dong-Weon Lee, Curtis Burney, Jeffrey Wigle, Tae-Youl Choi

JBO, Vol. 18, Issue 11, 117004, (November 2013) https://doi.org/10.1117/12.10.1117/1.JBO.18.11.117004

KEYWORDS: Microfluidics, Laser irradiation, Laser tissue interaction, Biological research, Laser damage threshold, Photoresist materials, Proteins, Polymers, Tissue optics, Analytical research

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