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LGS Na spot elongation and Rayleigh scattering effects on ShackHartmann wavefront sensor
performance during the 1998 LGS observing campaign 376204
Fullsystem laboratory testing of the F15 deformable secondary mirror for the new
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aberrations actuator adaptive optics system adaptive secondary algorithm alignment altitude annular aperture arcseconds astronomy atmospheric turbulence bandwidth calculated calibration camera centroid closed-loop coefficient compensation components computed condition number configuration correction deformable mirror detector diameter diffraction limited dynamics effect estimate fiber Figure filter focal plane frequency gradients infrared input integration interferometer laser beam laser guide star laser launch latency launch telescope lenslet Lick Observatory linear loop matrix measured Mellin transform membrane mode module mount jitter noise Observatory optimal outer scale output parameters performance phase photon pixel plate power spectra PSDI pulse pupil reconstruction rejection function residual scatter secondary mirror Shack-Hartmann Shimmulator shown simulation sodium layer spatial spectrograph SPIE spot Starfire Optical Range Strehl ratio subaperture techniques temporal tilt variance tip-tilt transfer curves vector wave wavefront error wavefront sensor wavelength WFME Zemike Zernike