One year and an half after ARGOS first light, the Large Binocular Telescope (LBT) laser guided ground-layer adaptive optics (GLAO) system has been operated on both sides of the LBT. The system fulfills the GLAO promise and typically delivers an improvement by a factor of 2 in FWHM over ...
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This PhD thesis reports also the optical design and optimization of both the ARGOS dichroic window, used to separate the laser light from the science light, and the LGS WFS, that evaluates the ground layer aberrations averaging the SH measurements in the direction of the 3 LGS. For both of ...
Rabien, S. et al, "ARGOS: the laser guide star system for the LBT", Proc. SPIE 7736, Adaptive Optics Systems II, 77360E (2010).Rabien, S., Ageorges, N., Barl, L., Beckmann, U., Blu¨mchen, T., Bonaglia, M., Borelli, J. L., Brynnel, J., Busoni, L., Carbonaro, ...
An array-based optical head 200 is configured for read and/or write operations to optical media (100, 234). In one implementation, a polarizing beam splitter 206 is configured to direct laser light to optical media (100). A photo-detector array 212 is configured to receive 504 light ...
ARGOS is the Laser Guide Star adaptive optics system for the Large Binocular Telescope. Aiming for a wide field adaptive optics correction, ARGOS will equip both sides of LBT with a multi laser beacon system and corresponding wavefront sensors, driving LBT's adaptive secondary mirrors. Utilizing ...
The ARGOS WFS is composed of two main subunits: 1) a large dichroic window that deflects the laser beam toward the WFS and transmit the visible and near-infrared wavelength to the MOS-imager LUCIFER and 2) the SH-WFS that collects the backscattered light of the 3 beacons and combines the...
The ARGOS WFS is composed of two main subunits: 1) a large dichroic window that deflects the laser beam toward the WFS and transmit the visible and near-infrared wavelength to the MOS-imager LUCIFER and 2) the SH-WFS that collects the backscattered light of the 3 beacons and combines th...