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DESI corrector lens
DESI's corrector is designed to provide a larger field of view to the focal plate, allowing 5,000 fibers to be arranged over 8 square degrees.
The design includes four large lenses composed of fused silica. The two smaller lenses are aspheric on one surface; all other silica surfaces are spherical. An atmospheric dispersion compensator (ADC) is included in the design, in order to meet blur requirements at off-zenith angles. This compensator includes two large wedged borosilicate lenses with spherical surfaces.
Créditos:Lawrence Berkeley National Lab/KPNO/NOIRLab/NSF/AURA
About the Image
Id: | DESI-Mirror_CC |
Tipo: | Photographic |
Release date: | 26 de Noviembre de 2020 a las 09:44 |
Size: | 1286 x 1080 px |
Sobre el Objeto
Nombre: | DESI |
Categoría: | Kitt Peak National Observatory People and Events |