Scanning pentaprism measurements of off-axis aspherics

Peng Su, James H. Burge, Brian Cuerden, Jose Sasian, Hubert M. Martin

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We have developed a scanning pentaprism system to measure off-axis araboloidal mirrors such as those for the Giant Magellan Telescope primary mirror. The test was demonstrated on a 1.7-m diameter prototype and proved to have ~50nm rms precision.

Original languageEnglish (US)
Title of host publicationPlasmonics and Metamaterials, META_PLAS 2008
PublisherOptical Society of America
ISBN (Print)9781557528612
StatePublished - Jan 1 2008
EventPlasmonics and Metamaterials, META_PLAS 2008 - Rochester, NY, United States
Duration: Oct 19 2008Oct 23 2008

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


OtherPlasmonics and Metamaterials, META_PLAS 2008
CountryUnited States
CityRochester, NY


ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Su, P., Burge, J. H., Cuerden, B., Sasian, J., & Martin, H. M. (2008). Scanning pentaprism measurements of off-axis aspherics. In Plasmonics and Metamaterials, META_PLAS 2008 (Optics InfoBase Conference Papers). Optical Society of America.