Dr. Alexana Roshko Profile

Dr. Alexana Roshko

at National Institute of Standards and Technology

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Author

Publications (4)

Proceedings Article | 17 March 2023 Presentation

GaN nanostructures for photonic applications

Kristine Bertness, Matt Brubaker, Alexana Roshko

Proceedings Volume PC12430, PC1243005 (2023) https://doi.org/10.1117/12.2650241

KEYWORDS: Gallium nitride, Nanostructures, Photonic nanostructures, Light emitting diodes, Crystals, Silicon, Photonic crystals, Optical properties, Optical communications, Molecular beam epitaxy

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Proceedings Article | 11 September 2018 Paper

Core-shell p-i-n GaN nanowire LEDs by N-polar selective area growth

Matt Brubaker, Kristen Genter, Joel Weber, Bryan Spann, Alexana Roshko, Paul Blanchard, Todd Harvey, Kris Bertness

Proceedings Volume 10725, 1072502 (2018) https://doi.org/10.1117/12.2322832

KEYWORDS: Light emitting diodes, Gallium nitride, Nanowires, Electroluminescence, Silicon, Measurement devices, Luminescence, Aluminum nitride

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Proceedings Article | 18 June 2002 Paper

Hybrid glass structures for telecommunication applications

Robert Simpson, Joseph Hayden, Samuel Conzone, Berton Callicoatt, Alexana Roshko, Norman Sanford

Proceedings Volume 4640, (2002) https://doi.org/10.1117/12.431629

KEYWORDS: Glasses, Adhesives, Interfaces, Surface finishing, Polishing, Telecommunications, Diffusion, Heat treatments, Ion exchange, Fabry–Perot interferometers

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Proceedings Article | 5 April 2002 Paper

Passive and active characterization of hybrid glass substrates for telecommunication applications

Joseph Hayden, Robert Simpson, Samuel Conzone, Robert Hickernell, Berton Callicoatt, Alexana Roshko, Norman Sanford

Proceedings Volume 4645, (2002) https://doi.org/10.1117/12.461643

KEYWORDS: Glasses, Waveguides, Interfaces, Polishing, Ion exchange, Reflectivity, Telecommunications, Heat treatments, Temperature metrology, Planar waveguides

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