The items listed below constitute the open, public release proceedings from the
2020 Annual Directed Energy S&T Symposium.
Unless otherwise noted, presentations only are included for each entry.
Plenary Session
The OSD HEL Laser Scaling Initiative Dr. Thomas Karr, OSD R&E, Director for Directed Energy
Directed Energy S&T Portfolio Overview Mr Kevin Sparks, Air Force Research Laboratory
DE JTO Transitions: (HEL JTO - 20 years later) Dr. Larry Grimes, Director, Joint Directed Energy Transition Office
Student Workshop
High Energy Laser Detection through Thermoelectric Generators MIDN Joseph Merkel, Deborah Mechtel, Brian Jenkins, Hatem Elbidweihy, Charles Nelson, Steven Yee, Cody Brownell, Peter Joyce, US Naval Academy
Additive Manufacturing of Optical Components MIDN Ethan Delannoy, Deborah Mechtel, Brian Jenkins, Charles Nelson, Peter Joyce, David Durkin, US Naval Academy
Integrated Phase Modulators for Compact Optical Phased Arrays Michael Nickerson, University of California
Filtering of Acoustic Disturbances from Aero-Optical Measurements Brian Catron, R. Mark Rennie, Stanislav Gordeyev, Eric Jumper, University of Notre Dame
Observed Aberration-Induced Spectral Changes in Optical Cavities: Applications to Turbulence Sensing John Hunt, University of Minnesota
Epitaxial Regrowth and Hole Shape Engineering for Photonic Crystal Surface Emitting Lasers (PCSELs) Kevin Reilly, Thomas Rotter, Sadhvikas J. Addamane, Connor Dix, Ganesh Balakrishnan, University of New Mexico and Seuongwon Yeom, Akhil Kalapala, Weidong Zhou, The University of Texas at Arlington
Implications of Electrode Geometry on Electron Emission and Microscale Gas Breakdown Amanda Loveless, Adam Darr, Allen Garner, Purdue University
Nano/Micro-Meter Electrode Topology Effects on Electron Emission Russell Brayfield, Adam Darr, Weihang Li, Andrew Fairbanks, Haoxuan Wang, Amanda Loveless, Allen Garner, Purdue University
Experimental and Simulation Evaluation of Composite Materials for NLTL System Design Andrew Fairbanks, Xiaojun Zhu, Julio Hernandez, Travis Crawford, Jeremy Mateja, Tyler Tallman, Allen L. Garner, Purdue University
The Harmonic Recirculating Planar Magnetron (HRPM) Drew Packard, N. M. Jordan, Y.Y. Lau and R. M. Gilgenbach, University of Michigan
Counter DE Weapons
Counter Directed Energy Weapons and the Defense of Naval Unmanned Aerial Vehicles Bonnie Johnson, Naval Postgraduate School
Rapid Detection of High Energy Laser Strikes Using Optical Fiber Sensors Brian Jenkins, Deborah Mechtel, Charles Nelson, Cody Brownell, Peter Joyce, US Naval Academy
U.S. National Committee proposed revision to the ISO Laser Damage Standard Jonathan Arenberg, Northrop Grumman Space
CW Laser Induced Damage Threshold of AMTIR-1, AMTIR-2 and AMTIR-5 at 1.07 μm John McElhenny, Neal Bambha, U.S. Army Research Laboratory
HPM Technologies & Effects
Far Future Naval Directed Energy Tim Andreadis, Naval Research Laboratory
Additive Manufacturing for Directed Energy Arrays Dr. Steven Weiss, Gregory Mitchell, Tony Ivanov, Army Research Laboratory
Poster Session
Secondary Microwave Radiation from Laser-Solid Interactions Patrick Grugan, D.F. Gordon, B. Rock, A. Davidson, G. Petrov, Naval Research Laboratory and A. Ting, Commonwealth Technology Innovation LLC
Efficient Visible to Infrared Light Extinction with Plasmonic Nanorods Paul Johns, Jake Fontana, US Naval Research Laboratory
Detection of Atmospheric Turbulence using Distributed Optical Fiber Sensors Mary Machniak, Cody Brownell, Charles Nelson, Brian Jenkins, US Naval Academy
Materials Mitigation of Optical Nonlinearities for High Power Lasers Bailey Meehan, Thomas Hawkins, Peter Dragic, John Ballato, Clemson University
Comparison of Solid State Laser Materials and Alternate Wavebands for Pulsed Tracking Illuminator Lasers Steven Rako, Steve Rako, Robert Stoneman, Cameron Martus, Randy Buff, Areté and Milan Buncick, Jay Vaughan, Jim Horkovich, AEgis Technologies and Tommy Lum, Amanda Black Clark, US Army Space and Missile Defense Command Technical Center
Atmospheric Propagation
Inertial Subrange Spectra in the Marine Atmospheric Surface Layer Qing Wang, David Ortiz-Suslow, Benjamin Wauer, Ryan Yamaguchi, Naval Postgraduate School and John Kalogiros, National Observatory of Athens
Power and Thermal
Transient Heating Experiments on a Multi-Microchannel Evaporator Michael Fish, Army Research Laboratory and Josh Richey, Caleb Anderson, Todd Bandhauer, Colorado State University
Beam Control
Material Characterization of Production Additively Manufactured SiC for Multifunction Application Jonathan Arenberg, John Vayda, Northrop Grumman
Prospects for Higher Dispersion Nonpolarizing Spectral Beam Combining Gratings Turan Erdogan, D. J. Smith, Plymouth Grating LaB Inc.
Impact of Contamination Density on Optical Damage of Directed Energy Optics Joseph Talghader, Merlin Mah, Albert Ogloza, Joseph Randi, David Samuels, University of Minnesota
LASER Sources
High Power Diode Laser Development at Freedom Photonics Jenna Campbell, Kevin McClune, Ron Stahl, Elliot Burke, Michelle Labrecque, Gordon Morrison, Paul Leisher, Daniel Renner, Freedom Photonics and Tadej Semenic, Kyle Gould, Seongchul Jun, Avijit Bhunia, Teledyne Scientific Company
Hollow Core Fibers for High Power Directed Energy Laser Systems Alex Rosiewicz, Tim McComb, NKT Photonics Inc
Background Gas Species and Pressure Dependence of RF Emissions Generated by Laser-produced Filament Plasmas Jennifer Elle, Erin Thorton, Air Force Research Laboratory
Coherent Beam Combining of Tapered Amplifiers Martin Heimbeck, Daniel Matyas, Amanda Clark, Space and Missile Defense Command Technical Center and Charles Ballmann, Carl Sanderson, UA Huntsville
80 W Narrow Linewidth Continuously Tunable All-fiber Thulium Laser Patrick Roumayah, Justin Cook, Alex Sincore, Jasmine Thompson, Martin Richardson, University of Central Florida
Bio-Effects
LEP Visual Effects Model, Introduction & Overview Brenda Novar, 711th Human Performance Wing
Outbriefs
Atmospheric Propagation Session I
Bioeffects Sessions I & II
Counter DE Weapons Sessions
HELMTT-USMA Engagement
High Energy Laser Mobile Test Truck (HELMTT) Demonstrations
Directed Energy Student Workshop
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