Dr. G. Ronald Hadley Profile

Dr. G. Ronald Hadley

Member/Technical Staff at Sandia National Labs

SPIE Involvement:

Author

Publications (19)

Proceedings Article | 7 May 2009 Paper

Infrared frequency selective surfaces for sensor applications

D. Peters, G. Hadley, A. Cruz-Cabrera, L. Basilio, J. Wendt, S. Kemme, T. Carter, S. Samora

Proceedings Volume 7298, 72983L (2009) https://doi.org/10.1117/12.818912

KEYWORDS: Metals, Infrared radiation, Staring arrays, Polarization, Gold, FSS based metamaterials, Gallium arsenide, Mid-IR, Reflectivity, Sensors

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Proceedings Article | 19 February 2009 Paper

Modeling of pulsed-fiber sources

Arlee Smith, G. Ronald Hadley, Roger Farrow

Proceedings Volume 7195, 719517 (2009) https://doi.org/10.1117/12.807204

KEYWORDS: Fiber amplifiers, Continuous wave operation, Optical damage, Phase modulation, Fiber lasers, Thermal modeling, Medium wave, Step index fibers, Four wave mixing, Optical amplifiers

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Proceedings Article | 14 April 2008 Paper

Overview of Sandia's fiber laser program

Dahv A. Kliner, Ray Bambha, Binh Do, Roger Farrow, Jean-Philippe Fève, Brian Fox, G. Ronald Hadley, Andrea Hansen, Hanna Hoffman, Mircea Hotoleanu, Alexandra Hoops, Wen Hsu, Jeffrey Koplow, Joona Koponen, Sean Moore, Randal Schmitt, Paul Schrader, Joseph Simmons, Kelly Simmons-Potter, Arlee Smith, Mikko Söderlund, W. Joseph Thomes, Georg Wien

Proceedings Volume 6952, 695202 (2008) https://doi.org/10.1117/12.782227

KEYWORDS: Fiber amplifiers, Diodes, Fiber lasers, Optical amplifiers, 3D modeling, Nonlinear dynamics, Optical damage, Performance modeling, Optical filters, Optical pumping

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Proceedings Article | 22 February 2007 Paper

Design of refractive-index and rare-earth-dopant distributions for large-mode-area fibers used in coiled high-power amplifiers

Roger Farrow, G. Ronald Hadley, Dahv Kliner, Jeffrey Koplow

Proceedings Volume 6453, 64531C (2007) https://doi.org/10.1117/12.701594

KEYWORDS: Amplifiers, Manufacturing, Doping, Packaging, Fiber amplifiers, Step index fibers, Optical filters, Refractive index, Solids, Medium wave

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Proceedings Article | 22 February 2007 Paper

Three-dimensional, time-dependent modeling of high-power fiber amplifiers

G. Ronald Hadley, Roger Farrow, Arlee Smith

Proceedings Volume 6453, 64531B (2007) https://doi.org/10.1117/12.717376

KEYWORDS: 3D modeling, Fiber amplifiers, Beam propagation method, Optical simulations, Data modeling, Distortion, Beam shaping, Optimization (mathematics), Refraction, Dispersion

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Proceedings Article | 20 February 2007 Paper

Numerical modeling of self-focusing beams in fiber amplifiers

Roger Farrow, G. Ronald Hadley, Arlee Smith, Dahv Kliner

Proceedings Volume 6453, 645309 (2007) https://doi.org/10.1117/12.701571

KEYWORDS: Medium wave, Beam propagation method, Fiber amplifiers, Waveguides, Wave propagation, Multimode fibers, Step index fibers, Numerical modeling, Dielectrics, Optical amplifiers

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Proceedings Article | 9 February 2007 Paper

Self-focusing in high-power optical fibers

G. Ronald Hadley, Arlee Smith

Proceedings Volume 6475, 64750G (2007) https://doi.org/10.1117/12.706132

KEYWORDS: Medium wave, Beam propagation method, Optical fibers, Waveguides, Wave propagation, Chromium, Geometrical optics, Light wave propagation, Dielectrics, Gaussian beams

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Proceedings Article | 23 February 2006 Paper

Bent-waveguide modeling of large-mode-area, double-clad fibers for high-power lasers

G. Hadley, Roger Farrow, Arlee Smith

Proceedings Volume 6102, 61021S (2006) https://doi.org/10.1117/12.656699

KEYWORDS: Medium wave, Beam propagation method, Optical fibers, Fiber lasers, Laser beam propagation, Systems modeling, Wave propagation, Amplifiers, High power lasers, Optical simulations

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Proceedings Article | 23 February 2006 Paper

High-peak-power (>1.2 MW) pulsed fiber amplifier

Roger Farrow, Dahv Kliner, Paul Schrader, Alexandra Hoops, Sean Moore, G. Hadley, Randal Schmitt

Proceedings Volume 6102, 61020L (2006) https://doi.org/10.1117/12.646815

KEYWORDS: Fiber amplifiers, Medium wave, Fiber lasers, Pulsed laser operation, Optical amplifiers, Amplifiers, Nonlinear dynamics, Sensors, Optical damage, Ytterbium

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Proceedings Article | 31 March 2005 Paper

High-Q microring resonator for biochemical sensors

Junpeng Guo, Michael Shaw, G. Vawter, G. Hadley, Peter Esherick, Charles Sullivan

Proceedings Volume 5728, (2005) https://doi.org/10.1117/12.589467

KEYWORDS: Microrings, Resonators, Waveguides, Silicon, Cladding, Liquids, Sensors, Semiconducting wafers, Mach-Zehnder interferometers, Silica

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Proceedings Article | 14 June 2004 Paper

Characterization of Si3N4/SiO2 planar lightwave circuits and ring resonators

Junpeng Guo, G. Allen Vawter, Michael Shaw, G. Ronald Hadley, Peter Esherick, Anisha Jain, Charles Alford, Charles Sullivan

Proceedings Volume 5350, (2004) https://doi.org/10.1117/12.529641

KEYWORDS: Waveguides, Silicon, Silica, Photonic integrated circuits, Resonators, Refractive index, Cladding, Semiconducting wafers, Polarizers, Polarization

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Proceedings Article | 10 November 2003 Paper

FDM Helmholtz modeling of finite grating and waveguide width effects on resonant subwavelength grating reflectivity

David Peters, Shanalyn Kemme, G. Ronald Hadley

Proceedings Volume 5177, (2003) https://doi.org/10.1117/12.506119

KEYWORDS: Reflectivity, Waveguides, Fused deposition modeling, Gaussian beams, Reflectors, Instrument modeling, Thin films, Reflection, Silica, Refractive index

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Proceedings Article | 15 April 2003 Paper

Critical parameters for parallel interconnects using VCSEL arrays and fiber image guides

Sayan Mukherjee, G. Ronald Hadley, Kent Geib, Kent Choquette, Tony Carter, Arthur Fischer, Matthew Robinson, Charles Sullivan

Proceedings Volume 4942, (2003) https://doi.org/10.1117/12.476230

KEYWORDS: Vertical cavity surface emitting lasers, Cladding, Near field optics, Optical interconnects, Refractive index, Near field, Waveguides, Interfaces, Solids, Beam propagation method

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Proceedings Article | 29 October 2001 Paper

Modeling of 2D photonic bandgap structures using a triangular mesh finite difference method

G. Ronald Hadley

Proceedings Volume 4594, (2001) https://doi.org/10.1117/12.446544

KEYWORDS: Waveguides, Photonic crystals, Wave propagation, 3D modeling, Finite difference methods, Gallium arsenide, Crystals, Superposition, Structural design, Waveguide modes

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Proceedings Article | 19 June 1995 Paper

Comprehensive numerical model for cw vertical-cavity surface-emitting lasers

G. Ronald Hadley, Kevin Lear, Mial Warren, Kent Choquette, Jeff Scott, Scott Corzine

Proceedings Volume 2399, (1995) https://doi.org/10.1117/12.212511

KEYWORDS: Quantum wells, Instrument modeling, Vertical cavity surface emitting lasers, Mirrors, Continuous wave operation, Cladding, Diffusion, Quantum efficiency, Silicon, Oxidation

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Proceedings Article | 30 June 1994 Paper

Metal-ion spin-on glasses: novel materials for active waveguides

Carol Ashby, Charles Sullivan, G. Allen Vawter, John Hohimer, G. Ronald Hadley, Daniel Neal

Proceedings Volume 2146, (1994) https://doi.org/10.1117/12.178534

KEYWORDS: Waveguides, Glasses, Semiconductor lasers, Luminescence, Laser applications, Optical amplifiers, Semiconducting wafers, Laser development, Ions, Refractive index

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Proceedings Article | 30 June 1994 Paper

III-V compound semiconductor strip-loaded waveguide devices for PICs: design for minimum crosstalk and high density

G. Allen Vawter, G. Ronald Hadley

Proceedings Volume 2146, (1994) https://doi.org/10.1117/12.178495

KEYWORDS: Waveguides, Photonic integrated circuits, Heterojunctions, Absorption, Ion implantation, Etching, Compound semiconductors, Mach-Zehnder interferometers, Modulators, Light scattering

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Proceedings Article | 2 June 1994 Paper

Phase-locked arrays of vertical-cavity surface-emitting lasers

Mial Warren, Kevin Lear, Paul Gourley, G. Ronald Hadley, J. Lott, G. Allen Vawter, Scott Chalmers, Thomas Brennan, B. Hammons, John Zolper

Proceedings Volume 2145, (1994) https://doi.org/10.1117/12.177131

KEYWORDS: Vertical cavity surface emitting lasers, Mirrors, Reflectivity, Modulation, Phase shift keying, Near field, Etching, Near field optics, Gallium arsenide, Dielectric mirrors

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Proceedings Article | 1 July 1991 Paper

Strained quantum-well leaky-mode diode laser arrays

T. Shiau, Shang Sun, Christian Schaus, Kang Zheng, G. Ronald Hadley, John Hohimer

Proceedings Volume 1418, (1991) https://doi.org/10.1117/12.43799

KEYWORDS: Waveguides, Semiconductor lasers, Gallium arsenide, Near field, Etching, Laser applications, Continuous wave operation, Metalorganic chemical vapor deposition, Thermal effects, Quantum wells

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Showing 5 of 19 publications

Conference Committee Involvement (1)

Physics, Theory, and Applications of Periodic Structures in Optics II

5 August 2003 | San Diego, California, United States

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