Search Results - "Elhadj, Selim"

Quantized Grain Boundary States Promote Nanoparticle Alignment During Imperfect Oriented Attachment by Lange, Andrew P., Samanta, Amit, Olson, Tammy Y., Elhadj, Selim

“…Oriented attachment (OA) has become a well‐recognized mechanism for the growth of metal, ceramic, and biomineral crystals. While many computational and…”
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Nanoparticle Alignment: Quantized Grain Boundary States Promote Nanoparticle Alignment During Imperfect Oriented Attachment (Small 29/2020) by Lange, Andrew P., Samanta, Amit, Olson, Tammy Y., Elhadj, Selim

“…In article number 2001423, Selim Elhadj and co‐workers offer new insights into the crystallographic alignment of nanoparticles during self‐assembly and…”
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Electrically tunable conducting oxide metasurfaces for high power applications by Sokhoyan, Ruzan, Thureja, Prachi, Sisler, Jared, Grajower, Meir, Shayegan, Komron, Feigenbaum, Eyal, Elhadj, Selim, Atwater, Harry A.

“…Active metasurfaces designed to operate at optical frequencies are flat optical elements that can dynamic, subwavelength-scale wavefront control of reflected…”
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Micro-Shaping, Polishing, and Damage Repair of Fused Silica Surfaces Using Focused Infrared Laser Beams by Matthews, Manyalibo J., Yang, Steven T., Shen, Nan, Elhadj, Selim, Raman, Rajesh N., Guss, Gabe, Bass, Isaac L., Nostrand, Michael C., Wegner, Paul J.

“…Localized infrared (IR) laser heating of fused silica optics has proven highly effective in reducing or removing surface flaws, which tend to limit performance…”
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Lifetime laser damage performance of β-Ga2O3 for high power applications by Yoo, Jae-Hyuck, Rafique, Subrina, Lange, Andrew, Zhao, Hongping, Elhadj, Selim

“…Gallium oxide (Ga2O3) is an emerging wide bandgap semiconductor with potential applications in power electronics and high power optical systems where gallium…”
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Mechanism and Simulation of Removal Rate and Surface Roughness During Optical Polishing of Glasses by Suratwala, Tayyab, Steele, William, Feit, Michael, Shen, Nan, Dylla-Spears, Rebecca, Wong, Lana, Miller, Phil, Desjardin, Richard, Elhadj, Selim

“…Glass optics with ultra‐low roughness surfaces (<2 Å rms) are strongly desired for high‐end optical applications (e.g., lasers, spectroscopy, etc.). The…”
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Few-cycle optical field breakdown and damage of gallium oxide and gallium nitride by Tripepi, Michael, Zhang, Simin, Harris, Brandon, Talisa, Noah, Yoo, Jae-Hyuck, Peelaers, Hartwin, Elhadj, Selim, Chowdhury, Enam

“…Both gallium oxide and gallium nitride have great potential for use as high power transparent conducting oxide materials for a wide range of optoelectronic…”
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Optical Properties of an Immobilized DNA Monolayer from 255 to 700 nm by Elhadj, Selim, Singh, Gaurav, Saraf, Ravi F

“…The real (n) and imaginary (k) refractive indices of an immobilized monolayer of 27 nucleotide (nt) single stranded DNA (ssDNA) and the corresponding double…”
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Combined Infrared Thermal Imaging and Laser Heating for the Study of Materials Thermophysical and Processing Properties at High Temperatures by Elhadj, Selim, Matthews, Manyalibo J., Yang, Steven T.

“…Focused laser irradiation can easily drive materials to extreme temperatures with very high precision and control. In combination with infrared imaging and…”
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Optical damage performance of conductive widegap semiconductors: spatial, temporal, and lifetime modeling by Elhadj, Selim, Yoo, Jae-hyuck, Negres, Raluca A., Menor, Marlon G., Adams, John J., Shen, Nan, Cross, David A., Bass, Isaac L., Bude, Jeff D.

“…The optical damage performance of electrically conductive gallium nitride (GaN) and indium tin oxide (ITO) films is addressed using large area, high power…”
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Chronic pulsatile shear stress impacts synthesis of proteoglycans by endothelial cells: Effect on platelet aggregation and coagulation by Elhadj, Selim, Mousa, Shaker A., Forsten-Williams, Kimberly

“…Endothelial‐derived proteoglycans are important regulators of the coagulation‐pathway in vivo and our primary objective of this study was to determine whether…”
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Quantized Grain Boundary States Promote Nanoparticle Alignment During Imperfect Oriented Attachment by Lange, Andrew P., Samanta, Amit, Olson, Tammy Y., Elhadj, Selim

“…Oriented attachment (OA) has become a well-recognized mechanism for the growth of metal, ceramic, and biomineral crystals. While many computational and…”
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Light scattering from laser induced pit ensembles on high power laser optics by Feigenbaum, Eyal, Elhadj, Selim, Matthews, Manyalibo J

“…Far-field light scattering characteristics from randomly arranged shallow Gaussian-like shaped laser induced pits, found on optics exposed to high energy laser…”
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Formation of Nano-Volcano Structures during Atmospheric, Laser-Driven Chemical Vapor Deposition by Lange, Andrew P, Elhadj, Selim, Matthews, Manyalibo J

“…Laser-driven chemical vapor deposition (LCVD) is an attractive process for direct write additive manufacturing of both metals and ceramics. While LCVD offers…”
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Damage on fused silica optics caused by laser ablation of surface-bound microparticles by Raman, Rajesh N, Demos, Stavros G, Shen, Nan, Feigenbaum, Eyal, Negres, Raluca A, Elhadj, Selim, Rubenchik, Alexander M, Matthews, Manyalibo J

“…High peak power laser systems are vulnerable to performance degradation due to particulate contamination on optical surfaces. In this work, we show using model…”
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A Survey of Transparent Conducting Films and Optoelectrical Materials for High Optical Power Applications by Yoo, Jae-Hyuck, Lange, Andrew, Chesser, John, Falabella, Steve, Elhadj, Selim

“…The lifetime laser damage performance of a wide range of transparent conductive materials is assessed, including ultrathin metal films, doped metal oxides,…”
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Thermally ruggedized ITO transparent electrode films for high power optoelectronics by Yoo, Jae-Hyuck, Matthews, Manyalibo, Ramsey, Phil, Barrios, Antonio Correa, Carter, Austin, Lange, Andrew, Bude, Jeff, Elhadj, Selim

“…We present two strategies to minimize laser damage in transparent conductive films. The first consists of improving heat dissipation by selection of substrates…”
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A Survey of Transparent Conducting Films and Optoelectrical Materials for High Optical Power Applications by Yoo, Jae-Hyuck, Lange, Andrew, Chesser, John, Falabella, Steve, Elhadj, Selim

“…Plasmonic Materials Conductive and transparent materials with carrier densities spanning 5 orders of magnitude are probed for their optical hardness through…”
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A Survey of Transparent Conducting Films and Optoelectrical Materials for High Optical Power Applications by Yoo, Jae-Hyuck, Lange, Andrew, Chesser, John, Falabella, Steve, Elhadj, Selim

“…The lifetime laser damage performance of a wide range of transparent conductive materials is assessed, including ultrathin metal films, doped metal oxides,…”
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Scalable Light-Printing of Substrate-Engraved Free-Form Metasurfaces by Yoo, Jae-Hyuck, Nguyen, Hoang T, Ray, Nathan J, Johnson, Michael A, Steele, William A, Chesser, John M, Baxamusa, Salmaan H, Elhadj, Selim, McKeown, Joseph T, Matthews, Manyalibo J, Feigenbaum, Eyal

“…A key challenge for metasurface research is locally controlling at will the nanoscale geometric features on meter-scale apertures. Such a technology is…”
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