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29 June 2006 POSM: a new concept for fiber positioning
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Abstract
The Gemini/Subaru WFMOS project has given the stimulus for considering new concepts for massively multiplexed fiber positioning schemes. The problem of acquiring many thousands of objects within a ~1.5° field at Subaru's ~f/2 prime-focus station represents a challenge to normal concepts of fiber positioning. Solutions usually involve imposing limits to the patrol field of each fiber. Using this simplification, a new concept is proposed which moves objects onto a fixed array of fibers rather than moving the fiber themselves. Such a scheme may simplify the manufacturing and assembly processes and may result in a more robust solution compatible with the challenging prime-focus environment. We describe the POSM concept and present an initial opto-mechanical layout.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anna Moore, Rich Dekany, Damien Jones, Roger Smith, Keith Taylor, and Viswa Velur "POSM: a new concept for fiber positioning", Proc. SPIE 6269, Ground-based and Airborne Instrumentation for Astronomy, 62691M (29 June 2006); https://doi.org/10.1117/12.672625
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