Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Andrew R. Clarkson"'
Autor:
George Gardopee, François Piché, Ralf Jedamzik, Martin Schaefer, John W. Pepi, Volker Seibert, Thomas Westerhoff, Antoine Leys, Tony Hull, Andrew R. Clarkson
Publikováno v:
SPIE Proceedings.
Previously we established that the combination of new machining parameters for openbacked monolithic lightweighted ZERODUR® mirror substrates, coupled with new methods for optical finishing of aggressively lightweighted mirrors, have relieved classi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8051014cbfa87e4a14d389d2e884bc3
https://doi.org/10.1117/12.926807
https://doi.org/10.1117/12.926807
Autor:
Volker Seibert, Armin Thomas, Thomas Werner, François Piché, Andrew R. Clarkson, George Gardopee, Thomas Westerhoff, Tony Hull, Antoine Leys, John W. Pepi, Ralf Jedamzik, Martin Schäfer
Publikováno v:
SPIE Proceedings.
Recent game-changing technology greatly extends the design possibilities and range of applications for aggressively lightweighted open-back Zerodur® mirrors. We have compared several lightweighting design approaches under this new technology. Analyt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d451f5077aa0709325a23af911fc00a
https://doi.org/10.1117/12.896571
https://doi.org/10.1117/12.896571
Autor:
Kevin Iott, Andrew R. Clarkson, Allan Keller, Daniel C. Gray, Tony Hull, Russell Genet, Joseph Haberman, Richard L. Hedrick, Dave Rowe
Publikováno v:
SPIE Proceedings.
Design-to-cost exercises and innovative design have resulted in remarkably high performing half-meter class wide field astronomical telescopes. This approach is being extended to meter+ class telescopes with further innovation on mounts and optics. C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8d33f214fc8ba02285b04c78b22ca31f
https://doi.org/10.1117/12.857496
https://doi.org/10.1117/12.857496
Autor:
J. Barentine, Ralf Jedamzik, Peter Hartmann, Thomas Westerhoff, Andrew R. Clarkson, Tony Hull
Publikováno v:
SPIE Proceedings.
Pending critical spaceborne requirements, including coronagraphic detection of exoplanets, require exceptionally smooth mirror surfaces, aggressive lightweighting, and low-risk cost-effective optical manufacturing methods. Simultaneous development at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::891084ec9134b0d54d2f5a77c893429a
https://doi.org/10.1117/12.857900
https://doi.org/10.1117/12.857900
Autor:
François Piché, Andrew R. Clarkson
Publikováno v:
International Optical Design Conference and Optical Fabrication and Testing.
L-3 IOS Brashear Optics has been using the Q22-2000F, a 2.3-meter class MRF® platform, to figure a series of 0.75-1.8 meter class optics to completion. We describe accomplishments and performance, and demonstrate gains achieved.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c72048a0a1fd9d2a5a918d9c6b4955a
https://doi.org/10.1364/oft.2010.othb6
https://doi.org/10.1364/oft.2010.othb6