Guiding System for the GRAVITY Instrument: Design and Testing - Softcover
GRAVITY is an adaptive optics assisted, near-infrared VLTI instrument for narrow-angle astrometry and interferometric imaging of faint objects. The instrument will interferometrically combine near-infrared light collected by the “Unit Telescopes” of the Very Large Telescope. The core unit is the beam combiner instrument (BCI), a big cryostat in the VLTI-laboratory which combines the 4 beams from the telescopes. There are various sub units, for example, to compensate perturbations created along the optical path between telescope and BCI. The Guiding System corrects the perturbations from the telescopes through the optical train to the BCI in field motion and pupil motion. To compensate the field motion a scattered laser light source is injected at the Star Separator below the telescope towards the BCI. There it hits the position sensitive diode (PSD) inside the Guiding Receiver. The signal from the PSD is used to control the tip/tilt piston actuators which correct the tip/tilt jitter induced by the tunnel atmosphere. For pupil motion tracking there are four Laser Guiding Boxes installed on the telescope spiders. The Acquisition Camera corrects the pupil motion.
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Daniela Penka, geboren 1987 in München. Nach dem Abitur, Studium der physikalischen Technik an der Hochschule München für angewandte Wissenschaften. Zur Zeit studiert sie im Masterstudiengang Photonik an der Hochschule München.
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- PublisherAV Akademikerverlag
- Publication date2012
- ISBN 10 3639394313
- ISBN 13 9783639394313
- BindingPaperback
- Number of pages68
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Book Description Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -GRAVITY is an adaptive optics assisted, near-infrared VLTI instrument for narrow-angle astrometry and interferometric imaging of faint objects. The instrument will interferometrically combine near-infrared light collected by the Unit Telescopes of the Very Large Telescope. The core unit is the beam combiner instrument (BCI), a big cryostat in the VLTI-laboratory which combines the 4 beams from the telescopes. There are various sub units, for example, to compensate perturbations created along the optical path between telescope and BCI. The Guiding System corrects the perturbations from the telescopes through the optical train to the BCI in field motion and pupil motion. To compensate the field motion a scattered laser light source is injected at the Star Separator below the telescope towards the BCI. There it hits the position sensitive diode (PSD) inside the Guiding Receiver. The signal from the PSD is used to control the tip/tilt piston actuators which correct the tip/tilt jitter induced by the tunnel atmosphere. For pupil motion tracking there are four Laser Guiding Boxes installed on the telescope spiders. The Acquisition Camera corrects the pupil motion. 68 pp. Deutsch. Seller Inventory # 9783639394313
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Guiding System for the GRAVITY Instrument Design and Testing
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Guiding System for the GRAVITY Instrument : Design and Testing
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Book Description Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - GRAVITY is an adaptive optics assisted, near-infrared VLTI instrument for narrow-angle astrometry and interferometric imaging of faint objects. The instrument will interferometrically combine near-infrared light collected by the Unit Telescopes of the Very Large Telescope. The core unit is the beam combiner instrument (BCI), a big cryostat in the VLTI-laboratory which combines the 4 beams from the telescopes. There are various sub units, for example, to compensate perturbations created along the optical path between telescope and BCI. The Guiding System corrects the perturbations from the telescopes through the optical train to the BCI in field motion and pupil motion. To compensate the field motion a scattered laser light source is injected at the Star Separator below the telescope towards the BCI. There it hits the position sensitive diode (PSD) inside the Guiding Receiver. The signal from the PSD is used to control the tip/tilt piston actuators which correct the tip/tilt jitter induced by the tunnel atmosphere. For pupil motion tracking there are four Laser Guiding Boxes installed on the telescope spiders. The Acquisition Camera corrects the pupil motion. Seller Inventory # 9783639394313
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Guiding System for the GRAVITY Instrument
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Book Description Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Penka DanielaDaniela Penka, geboren 1987 in Muenchen. Nach dem Abitur, Studium der physikalischen Technik an der Hochschule Muenchen fuer angewandte Wissenschaften. Zur Zeit studiert sie im Masterstudiengang Photonik an der Hochschule M. Seller Inventory # 4983665
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