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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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Abstract

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
Authors:
AuthorsInstitution or Email of Authors
Buske, IvoIvo.Buske@dlr.de
Riede, WolfgangUNSPECIFIED
Date:2009
Journal or Publication Title:Proceedings of SPIE Europe: Optics/Photonics in Security and Defence 2009
Refereed publication:Yes
In ISI Web of Science:No
Status:Published
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
Organizer:SPIE
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology
Location: Stuttgart
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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