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| Indexado |
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| DOI | 10.1117/12.926654 | ||||
| Año | 2012 | ||||
| Tipo | proceedings paper |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
The 3.5-meter diameter Large Synoptic Survey Telescope (LSST) secondary (M2) mirror utilizes a 100mm thick meniscus ULE (TM) blank completed by Corning Incorporated in 2009. Sub-aperture interferometry will guide the polishing process to meet mirror structure function requirements. The convex asphere is actively supported by 72 axial actuators and 6 tangential links. These tangent links utilize an embedded lever system to meet the requirements. The axial actuators have force limiting devices. The control system utilizes a higher level "outer loop controller" for monitoring and commanding the tangent links and axial actuators. Numerous sensors determine the assembly status. To prevent thermally induced image degradation, the interior air of the M2 cell is conditioned.
| Revista | ISSN |
|---|---|
| Proceedings Of Spie The International Society For Optical Engineering | 0277-786X |
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Neill, Douglas | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 2 | Gressler, William J. | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 3 | Sebag, Jacques | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 4 | Wiecha, Oliver M. | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 5 | Warner, Mike | Hombre |
Natl Opt Astron Observ - Chile
Cerro Tololo Inter American Observatory - Chile |
| 6 | Schoening, Bill | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 7 | Devries, Joe | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 8 | Andrew, John | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 9 | Schumacher, German | Hombre |
Natl Opt Astron Observ - Chile
Cerro Tololo Inter American Observatory - Chile |
| 10 | Hileman, Edward A. | Hombre |
Natl Opt Astron Observ - Estados Unidos
National Optical Astronomy Observatory - Estados Unidos |
| 11 | Stepp, LM | - | |
| 12 | Gilmozzi, R | - | |
| 13 | Hall, HJ | - |
| Agradecimiento |
|---|
| LSST project activities are supported in part by a Cooperative Agreement with the National Science Foundation managed by the Association of Universities for Research in Astronomy ( AURA), and the Department of Energy. Additional LSST funding comes from private donations, grants to universities, and in- kind support from LSSTC Institutional Members. |