In-flight calibration of an airborne wavefront control subsystem

Harold B. Schall; Andrew Myers; David Weight; Kenneth W. Billman; Salvatore J. Cusumano

doi:10.1117/12.391869

21 July 2000 In-flight calibration of an airborne wavefront control subsystem

Harold B. Schall, Andrew Myers, David Weight, Kenneth W. Billman, Salvatore J. Cusumano

Proceedings Volume 4034, Laser Weapons Technology; (2000) https://doi.org/10.1117/12.391869
Event: AeroSense 2000, 2000, Orlando, FL, United States

Abstract

One of the key elements of the Airborne Laser beam control system is its wavefront control subsystem. This subsystem provides compensation of local and atmospheric wavefront disturbances, which is essential in accomplishing the ABL mission. A critical performance driver for this subsystem is deformable mirror-to-wavefront sensor registration. To reduce overall sensitivity to misregistration and provide optimum wavefront control performance, the ABL system includes a built-in calibration system. This system is used in pre-flight checkout as well as during an automated calibration and alignment sequence conducted in-flight. The calibration system provides the ability to perform poke calibrations to update the estimation matrix. This paper provides a description of the methodology used for calibration of the ABL wavefront control subsystem and discusses the key features that provide this function.

Citation Download Citation

Harold B. Schall, Andrew Myers, David Weight, Kenneth W. Billman, and Salvatore J. Cusumano "In-flight calibration of an airborne wavefront control subsystem", Proc. SPIE 4034, Laser Weapons Technology, (21 July 2000); https://doi.org/10.1117/12.391869

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