Dr. Randall S. Hay Profile

Dr. Randall S. Hay

at Air Force Research Lab

SPIE Involvement:

Author

Publications (8)

Proceedings Article | 14 June 2023 Presentation

Identification of new window materials

Randall Hay, Augustine Urbas, Woo-Yong Jang, Brahim Akdim, Andrew Schlup, John Drazin, Hyunjun Kim, Kathryn Doyle, Ted Autore

Proceedings Volume PC12518, PC1251803 (2023) https://doi.org/10.1117/12.2663496

KEYWORDS: Oxides, Databases, Transparency, Data modeling, Thermography, Thermal modeling, Temperature metrology, Spinel, Resistance, Raman spectroscopy

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Proceedings Article | 14 June 2023 Presentation

Optical and thermomechanical properties of rare-earth bixbyites and oxides with the fluorite structure

John Drazin, Randall Hay, Augustine Urbas, Woo-Yong Jang, Brahim Akdim, Andrew Schlup, Hyunjun Kim, Kathryn Doyle, Ted Autore

Proceedings Volume PC12518, PC1251804 (2023) https://doi.org/10.1117/12.2662855

KEYWORDS: Fluorite, Thermography, Oxides, Zirconium dioxide, Data modeling, Visible radiation, Transmittance, Thermal modeling, Refractive index, Optical properties

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Proceedings Article | 8 March 2023 Presentation + Paper

Claddings for YAG single crystal high power fiber lasers

Randall Hay, Hyunjun Kim, Andrew Schlup, John Drazin, Kathryn Doyle, Benjamin Gray, Kent Averett, Cynthia Bowers

Proceedings Volume 12399, 1239902 (2023) https://doi.org/10.1117/12.2648359

KEYWORDS: YAG lasers, Cladding, Garnet, Crystallization, Refractive index, Magnesium, Transmission electron microscopy, Sintering, Gallium, Calcium

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Proceedings Article | 30 May 2022 Presentation

All-crystal fibers for high-power fiber lasers

Daniel Gibson, Robert Nicol, Rick Kim, Shyam Bayya, Jas Sanghera, Daniel Rhonehouse, Jason Myers, Adam Floyd, Tony Zhou, Kent Averett, Benjamin Gray, Hyunjun Kim, David Turner, Randall Hay

Proceedings Volume PC12092, PC120920D (2022) https://doi.org/10.1117/12.2619386

KEYWORDS: Optical fibers, High power fiber lasers, Laser systems engineering, Laser damage threshold, Interfaces, High power lasers, Glasses, Cladding

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Proceedings Article | 1 May 2017 Paper

Optical characterizations on surface-polished polycrystalline YAG fibers

Hyunjun Kim, Randall Hay, Sean McDaniel, Gary Cook, Nicholas Usechak, Augustine Urbas, HeeDong Lee, Randall Corns, Kathleen Shugart, Ali Kadhim, Dean Brown, Benjamin Griffin

Proceedings Volume 10192, 101920B (2017) https://doi.org/10.1117/12.2262673

KEYWORDS: Optical fibers, YAG lasers, Scattering, Surface roughness, Surface finishing, Polishing, Ceramics, Optical properties, Fiber lasers, Holmium, Glasses

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Proceedings Article | 4 March 2011 Paper

Processing and transparency of polycrystalline yttrium aluminum garnet (YAG) fiber for optical applications

Hyun Jun Kim, Geoff Fair, HeeDong Lee, Kristin Keller, T. Parthasarathy, Randall Hay

Proceedings Volume 7912, 79121T (2011) https://doi.org/10.1117/12.876133

KEYWORDS: Optical fibers, YAG lasers, Transparency, Liquids, Photomicroscopy, Crystals, Scanning electron microscopy, Fiber lasers, Particles, Optics manufacturing

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SPIE Journal Paper | 1 September 2010

Predicted performance limits of yttrium aluminum garnet fiber lasers

Triplicane Parthasarathy, Randall Hay, Geoff Fair, Frank Hopkins

OE, Vol. 49, Issue 09, 094302, (September 2010) https://doi.org/10.1117/12.10.1117/1.3485758

KEYWORDS: YAG lasers, Fiber lasers, Silica, Absorption, Thermal effects, Optical engineering, Neodymium, Optical damage, Scattering, Single mode fibers

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Proceedings Article | 4 May 2010 Paper

Towards optical quality yttrium aluminum garnet (YAG) fibers: recent efforts at AFRL/RX

G. Fair, R. Hay, H. Lee, E. Boakye, T. Parthasarathy

Proceedings Volume 7686, 76860E (2010) https://doi.org/10.1117/12.849699

KEYWORDS: YAG lasers, Optical fibers, Fiber lasers, Polymers, Cladding, Crystals, Silica, Solids, Ceramics, Laser applications

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Showing 5 of 8 publications

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