The LAMAR telescope module for high throughput imaging and spectroscopy

Details The LAMAR telescope module for high throughput imaging and spectroscopy The LAMAR telescope module for high throughput imaging and spectroscopy

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.239..177g&link_type=abstract

In ESA Proceedings of ESA Workshop on a Cosmic X-Ray Spectroscopy Mission p 177-182 (SEE N86-22461 12-89)

Astronomy and Astrophysics

Astronomy

Mirrors, Space Shuttle Payloads, Spaceborne Telescopes, X Ray Spectroscopy, Angular Resolution, Focal Plane Devices, Glass, Gold Coatings, Prototypes, X Ray Astronomy, X Ray Telescopes

Scientific paper

Kirkpatrick-Baez mirror assemblies for the LAMAR experiment of the Space Shuttle are described. The aperture is 20 cm x 30 cm and the distance from the front of the mirror to the focal plane is 3.4 m. The reflectors are made from 1.8 mm gold coated float glass. A prototype brassboard mirror was constructed with only one-third of the plates. Its angular resolution is 35 arcsec (HPW) in visible light. X-ray tests over small areas indicate very little scattering. The fabrication technique is applicable to larger mirror systems such as those of XMM. The use of flatter material for the reflectors results in better angular resolution.

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