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Fast closed-loop adaptive optics system for imaging through strong turbulence layer

Buske, Ivo and Riede, Wolfgang (2007) Fast closed-loop adaptive optics system for imaging through strong turbulence layer. In: 2007 6th International Workshop on Adaptive Optics for Industry and Medicine. Imperial College Press. 6th International Workshop on Adaptive Optics for Industry and Medicine, 2007-06-11 - 2007-06-15, Galway (Ireland). (In Press)

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Abstract

We present an adaptive optics approach to improve the image quality of telescopes observing targets through atmospheric turbulences. Intended as an enhancement for off-the-shelf imaging systems an f/10 achromatic lens telescope is expanded by relay telescopes and dichroitic beam splitters to satisfy the adaptive optics requirements. A high speed Shack-Hartmann wavefront sensor and an adaptive membrane mirror are located in conjugated planes. A non-deterministic PC system provides a fast closed-loop frequency of 500 Hz. The system characteristics are investigated and first results in terms of wavefront diagrams and resolution charts are presented.

Document Type:Conference or Workshop Item (Speech)
Title:Fast closed-loop adaptive optics system for imaging through strong turbulence layer
Authors:
AuthorsInstitution or Email of Authors
Buske, IvoUNSPECIFIED
Riede, WolfgangUNSPECIFIED
Date:2007
Journal or Publication Title:2007 6th International Workshop on Adaptive Optics for Industry and Medicine
Refereed publication:Yes
In ISI Web of Science:No
Editors:
EditorsEmail
Dainty, ChrisUNSPECIFIED
Publisher:Imperial College Press
Status:In Press
Keywords:deformable electromagnetic membrane mirror, closed-loop adaptive optics, atmospheric turbulence
Event Title:6th International Workshop on Adaptive Optics for Industry and Medicine
Event Location:Galway (Ireland)
Event Type:international Conference
Event Dates:2007-06-11 - 2007-06-15
Organizer:National University of Ireland, Applied Optics Group
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:13 Aug 2007
Last Modified:27 Apr 2009 14:12

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