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- W2017274321 abstract "Ground based astronomical telescopes have limited resolutions due to wavefront distortions caused by constantly changing atmospheric turbulence. Resolution can be improved using adaptive optics. Creating an artificial guidestar in the mesospheric sodium layer using a laser has been a major quest in the astronomical community. The sodium guidestar lasers of five major observatories are compared: AFRL/SOR (solid state, resonant sum-frequence generator), Palomar/Caltech (solid state sum-frequency mode-locked), Lick/LLNL (tunable dye), Keck (tunable dye), and VLT (tunable dye). Increased sky coverage provided by laser guide stars has made possible integral field spectrographs such as OSIRIS and Keck and SINFONI at VLT to study high red shift galaxies. The first results obtained with OSIRIS was diffraction-limitied spectroscopic observations of an infrared flare associated with the radio source Sgr A*. Increased resolution will be defined and the impact on integral field spectroscopy projected." @default.
- W2017274321 created "2016-06-24" @default.
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- W2017274321 date "2009-08-20" @default.
- W2017274321 modified "2023-09-23" @default.
- W2017274321 title "LGS adaptive optics and integral field spectroscopy" @default.
- W2017274321 doi "https://doi.org/10.1117/12.824498" @default.
- W2017274321 hasPublicationYear "2009" @default.
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