Polishing and testing of the 3.5 m SiC M1 mirror of the Herschel space observatory of ESA

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7102, Issue , 2008, Pages

  Korhonen, Tapio ^a   Keinanen, Perttu ^a   Pasanen, Mikko ^a   Sillanpaa, Aimo ^b  

^a Opteon Oy   (Finland)

^b UNIVERSITY OF TURKU   (Finland)

Author keywords

Aspheric polishing; Light weight mirror; Pentaprism test; Profilometer; SiC polishing

Indexed keywords

BUILDINGS; LAPPING; MIRRORS; OBSERVATORIES; POLISHING; SILICON; SILICON CARBIDE; SPACECRAFT OBSERVATORIES; SURFACE TESTING;

CHALLENGING TASKS; FRONT FACES; HARD MATERIALS; HERSCHEL; HERSCHEL SPACE OBSERVATORIES; HIGH SURFACE PRESSURES; LARGE DIAMETERS; MICRO ROUGHNESSES; PENTAPRISM TEST; PROFILOMETER; SIC POLISHING; SURFACE SHAPES;

OPTICAL TESTING;

EID: 56249099724     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.797645     Document Type: Conference Paper

References (4)

1. Sein, E., Toulemont, Y., Safa, F., Duran, M., Deny, P., de Chambure, D., Passvogel, ., Pilbratt, G., "A Ø 3.5m diameter Sic telescope for Herschel mission", Proc. SPIEl. 4850, 606-618 (2003)
2. Korhonen, T. and Lappalainen, T., "Computer controlled figuring method for thin and flexible mirrors", Proc. SPIE 2199, 176-180 (1994)
3. Korhonen, T., "Optics for the Nordic Optical Telescope", Observational Astrophysics, ed. Florentin Nielsen, Copenhagen University Observatory, 198-209 (1987)
4. Scharmer, G., Bjelksjo, K., Korhonen, T., Lindberg, B., "Petterson, B., The 1-meter Swedish Solar telescope", Proc. SPIE 4853, (2002)