Pyramid Wavefront Sensor at the William Herschel Telescope: Towards Extremely Large Telescopes

Details Pyramid Wavefront Sensor at the William Herschel Telescope: Towards Extremely Large Telescopes Pyramid Wavefront Sensor at the William Herschel Telescope: Towards Extremely Large Telescopes

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005ingn...10...17e&link_type=abstract

The Newsletter of the Isaac Newton Group of Telescopes (ING Newsl.), issue no. 10, p. 17.

Physics

Optics

Wavefront Sensor, William Hershel Telescope, Adaptive Optics

Scientific paper

The Arcetri adaptive optics group showed in 2001, using numerical simulation, that the pyramid WFS is able to do phasing and alignment of the mirror segments at the same time. In the period 2000-2004 the adaptive optics group developed this concept, and have built a lab prototype of the pyramid co-phasing sensor. A unique opportunity to calibrate and test our prototype in the lab and on the sky has been provided by the William Herschel Telescope and its adaptive optics system NAOMI.

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