OSC Colloquium: Ron Driggers, "Advanced Infrared Systems"

Sept. 23, 2021
Ron Driggers

Abstract(s): 

Dr. Driggers will present several topics related to advanced infrared imaging systems. He will start with a general discussion about dual band infrared systems (third generation FLIR). Also included are small pitch, high density focal plane systems that eliminate the need for switched optics. Other topics are strap-down pilotage, full spectrum target acquisition, high energy laser target acquisition, drone sensors and drone detection, and advanced uncooled infrared sensors. 

Speaker Bio(s): 

Ronald G. Driggers is a Professor at the University of Arizona’s College of Optical Sciences and works in the areas of electro-optical and infrared imaging systems. Previously, he was appointed to the Senior Executive Service as the Superintendent of the Optical Sciences Division at the Naval Research Laboratory in 2008. There, he managed the efforts of more than 200 scientists and engineers and over $100M in research and development programs. Before 2008, he was the Director of the Modeling and Simulation Division at the U.S. Army’s Night Vision and Electronic Sensors Directorate (NVESD) and a brief period as the Chief of the Electro-Optics and Photonics Division at the Army Research Laboratory. Dr. Driggers received a doctorate in electrical engineering from the University of Memphis in 1990, is the author of five books on Infrared and Electro-Optics Systems and has published over 160 research papers. He was Editor-in-Chief of the Encyclopedia of Optical Engineering (Taylor and Francis). He was selected as the 2002 Army Materiel Command’s Engineer of the Year, 2001 CERDEC Technical Employee of the Year, and 2001 NVESD Technical Employee of the Year. He is a U.S. Naval Reserve Officer and was selected as the 2001 Naval Engineering Duty Officer of the Year (William Kastner Award). He is also a Fellow of the International Society for Optical Engineering, the Optical Society of America, and the Military Sensing Symposium. He was the Editor-in-Chief of SPIE’s flagship journal, Optical Engineering from 2010-2015 and the Editor-in-Chief of the Optical Society of America’s journal Applied Optics from 2015-2021.

 

 

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05
Donna Strickland Colloquium
OSC Colloquium: Donna Strickland, "High Intensity Fiber lasers for Nonlinear Optics"
3:30 – 5 p.m., Dec. 5, 2024

Ti:sapphire lasers offer the largest bandwidths and therefore the shortest pulses.   The highest laser intensities have been achieved using Chirped Pulse Amplification (CPA) of large diameter solid state lasers.  CPA was needed to avoid damage from the nonlinear process of self-focusing.  The disadvantage of solid-state lasers is the limited average power.  On the other hand, diode pumped fiber laser systems offer significantly higher average power than solid state lasers. Self-focusing is eliminated in single mode fibers by guiding and so nonlinear optics can be beneficial rather than detrimental and used to broaden the gain bandwidth.  Single fiber laser amplifiers will not reach the highest intensities offered by solid state lasers, but in this talk, I will discuss developing fiber laser amplifiers for nonlinear optical interactions such as mid-infrared generation and laser acceleration of electrons that require high intensity and benefit from high average power.

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