OSC Colloquium: Nicholas Morley

    Date: 
    Thursday, February 14, 2019 - 3:30pm - 5:00pm
    Location: 
    Meinel 307
    Address: 

    1630 E. University Blvd.

    3rd Floor Lobby area

    Registration: 

    Open to campus and public.

    Description: 

    Speaker: Nicholas Morley 

    Host: Michael Hart

    Topic: Laser and Beam Control Development for Airborne HEL Applications

    Visit our website for future lecture dates and speaker information: http://www.optics.arizona.edu/news-events/events/colloquium For a list of our archived lectures: http://www.optics.arizona.edu/news-events/events/colloquium/archive

    Abstract(s): 

    Efficiently generating and projecting high power laser light from an aircraft presents a number of unique challenges that span multiple physics and engineering disciplines, including optics, fluid dynamics, mechanical engineering, open- and closed-loop controls, thermal management, power systems, and atmospherics.  Some of the most interesting problems to solve happen at the intersections of these fields where a basic understanding of the cross-discipline interaction is needed.  The Air Force Research Laboratory is currently investigating and developing a number of solutions to enable construction of systems that meet this challenging environment of high vibration, constrained volumes, and high-speed dynamic aero-optical distortions.  This talk will cover the research areas that are enabling rapid advancement in multi-kW fiber-lasers and bulk media lasers (slab, hybrid) as well as solid advances in understanding of mitigation of aero-optical/aero-mechanical effects, turret design and atmospheric propagation.  Two particular areas that the presentation will highlight are the measurement and correction techniques to address distortions caused by high-speed flow over aircraft and turrets (high-speed aero-optics) and the three-part problem of dealing with deep turbulence (i.e. branch-point problem).  Under conditions of high Rytov number (Rytov >1.0), local slope based wavefront sensors, such as the standard Shack-Hartman, are known to have degraded performance in feeding adaptive optics control loops.  The presentation will include research and challenges in developing advanced digital holographic sensors and branch-point tolerant reconstructors to support airborne and ground based application.

    Speaker Bio(s): 

    Nicholas Morley is currently the Laser Systems Core Technical Competency Lead at the Air Force Research Laboratory, Directed Energy Directorate located in Albuquerque, NM. He completed his Ph.D. in Nuclear Engineering from the University of New Mexico, in 1993; after which he went on to work as a Post-Doctoral Research Fellow at the Air Force Phillips Laboratory investigating laser interaction with materials. Dr. Morley became a Senior Research Engineer with AFRL in September of 1999 and has since served in many positions within AFRLs Directed Energy Directorate, including: Technical Advisor and Branch Chief for the Laser Effects Research Branch, Chief of the High Power Electric Laser Branch; Technical Advisor for the System Engineering and Assessment, Special Projects, and Laser Applications Branches. Dr. Morley is a Senior Member of the AIAA, a Member of the Directed Energy Professional Society, and a Member of SPIE.  His research areas of interest include: laser system design, fabrication and integration; laser ablation; laser material interaction; conductive, convective and two-phase heat transfer; space nuclear power and propulsion; and optical scattering.

    Schedule: 

    Refreshments 3:30pm

    Lecture @ 3:45pm - 5pm