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Proceedings Paper

Mechanically actuated reconfigurable slits (MARS) for visible and infrared multi-object spectrographs
Author(s): Scott C. Roberts; Carrie Abbott; Andre Anthony; Daniel Booy; Robert Gaunt; Alexis Hill; Geoff Kabush; Andrew McIlwain; Karen Taylor; Ben Townsend; Robert Vrooman
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Paper Abstract

Mechanically Actuated Reconfigurable Slits (MARS) provide a remote means of creating and reconfiguring multi-object spectrograph slits. The MARS design provides 99 individually positionable variable-width slits over a 180 mm square telescope focal plane. It offers fast, remote configurable, suitable for optical and IR ground and space based multi- object spectrographs. The slit apertures are arranged in three columns, to optimize the placement of the spectra on the detector. Two distinct MARS designs are presented, mechanically actuated strips and mechanically actuated rolls. The methods configure the slits by translating thin strips of material across the telescope focal pane. Slits are formed either by an aperture cut in the strip or by bringing two separate strips together head-to-head.

Paper Details

Date Published: 16 August 2000
PDF: 11 pages
Proc. SPIE 4008, Optical and IR Telescope Instrumentation and Detectors, (16 August 2000); doi: 10.1117/12.395419
Show Author Affiliations
Scott C. Roberts, Herzberg Institute of Astrophysics/National Research Council Canada (Canada)
Carrie Abbott, Univ. of Victoria (Canada)
Andre Anthony, Herzberg Institute of Astrophysics/National Research Council Canada (Canada)
Daniel Booy, Camosun College (Canada)
Robert Gaunt, Univ. of Victoria (Canada)
Alexis Hill, Camosun College (Canada)
Geoff Kabush, Univ. of Victoria (Canada)
Andrew McIlwain, Univ. of Victoria (Canada)
Karen Taylor, Camosun College (Canada)
Ben Townsend, Camosun College (Canada)
Robert Vrooman, Univ. of Victoria (Canada)


Published in SPIE Proceedings Vol. 4008:
Optical and IR Telescope Instrumentation and Detectors
Masanori Iye; Alan F. M. Moorwood, Editor(s)

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