Tomographic wavefront sensing for adaptive optics

California Institute Of Technology, Pasadena CA

Investigators

Abstract

ABSTRACT Dekany, R. "Tomographic Wavefront Sensing for Adaptive Optics" AST-0096928 Using a new, multiple channel wavefront sensor in conjunction with the existing Palomar Adaptive Optics System, the researchers will conduct experiments in atmospheric tomography to reconstruct the three-dimensional distribution of refractive index fluctuations about the 5m telescope at Palomar Mountain. This information will be used to answer fundamental questions on the time evolution of these index fluctuations, including the stability of discreet turbulence layers in the atmosphere. This information will guide the development of future advanced adaptive optics systems that use multiple deformable mirrors to uniformly correct wide fields of view, extending the usable scientific field for adaptive optics and enabling new scientific programs. ***