Atmospheric tip/tilt compensation for laser beam tracking with amateur telescopes
Buske, Ivo and Riede, Wolfgang (2009) Atmospheric tip/tilt compensation for laser beam tracking with amateur telescopes. In: Proceedings of SPIE Europe: Optics/Photonics in Security and Defence 2009. SPIE Europe: Optics/Photonics in Security and Defence 2009, 2009-08-31 - 2009-09-03, Berlin, Deutschland.
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The compensation of atmospheric turbulence induced tip/tilt variations of the laser beam direction inside the receiver telescope is the first step to establish a sophisticated adaptive optical system. We present a rugged and reliable real-time beam stabilization system which is adapted on a mobile 10” amateur Schmidt-Cassegrain-Telescope (SCT) to demonstrate the functionality on different ground locations. Recently, the tip/tilt system was tested in horizontal direction on a 130 m free space propagation range. Tip/Tilt compensation with a root-mean-squared accuracy better than 500 nrad has been confirmed. All system characteristics were measured in relation to metrological conditions and turbulence strength.
|Document Type:||Conference or Workshop Item (Speech)|
|Title:||Atmospheric tip/tilt compensation for laser beam tracking with amateur telescopes|
|Journal or Publication Title:||Proceedings of SPIE Europe: Optics/Photonics in Security and Defence 2009|
|In ISI Web of Science:||No|
|Keywords:||beam steering, beam tracking, tip tilt mirror, telescope|
|Event Title:||SPIE Europe: Optics/Photonics in Security and Defence 2009|
|Event Location:||Berlin, Deutschland|
|Event Type:||international Conference|
|Event Dates:||2009-08-31 - 2009-09-03|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L AR - Aircraft Research|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L AR - Aircraft Research|
|DLR - Research theme (Project):||L - Laser Research and Technology|
|Institutes and Institutions:||Institute of Technical Physics|
|Deposited By:||Dr.-Ing. Ivo Buske|
|Deposited On:||07 Dec 2009 12:05|
|Last Modified:||07 Dec 2009 12:05|
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