publication . Thesis . 2009

Improved beam jitter control methods for high energy laser systems

Frist, Duane C.;
Open Access
  • Published: 01 Dec 2009
  • Publisher: Monterey, California. Naval Postgraduate School
Abstract
The objective of this research was to develop beam jitter control methods for a High Energy Laser (HEL) testbed. The first step was to characterize the new HEL testbed at NPS. This included determination of natural frequencies and component models which were used to create a Matlab/Simulink model of the testbed. Adaptive filters using Filtered-X Least Mean Squares (FX-LMS) and Filtered-X Recursive Least Square (FX-RLS) were then implemented. Disturbance sources included narrowband mechanical vibration of the optical bench as well as broadband atmospheric turbulence (simulation only). A feedback controller with adaptive filter (or feedbacktype adaptive filter) wa...
Subjects
free text keywords: High power lasers, Models, Computer simulation
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