Optical Fiber Systems for the BigBOSS Instrument

Details Optical Fiber Systems for the BigBOSS Instrument Optical Fiber Systems for the BigBOSS Instrument

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21933517e&link_type=abstract

American Astronomical Society, AAS Meeting #219, #335.17

Physics

Optics

Scientific paper

BigBOSS is a proposed instrument for the Mayall 4-meter telescope at Kitt Peak. Its prime objective is to explore dark energy using the baryon acoustic oscillation method by measuring tens of millions of galaxy redshifts. The instrument uses massively multi-object spectroscopy to measure this large number of objects with an optical system that includes 5000 optical fibers, each actuator-positioned at the prime-focus focal plane. The fibers will be routed from prime focus, through the telescope in ten, 40-meter long bundles to an optics bay. Each 500-fiber bundle terminates at a three-band spectrograph with the fibers arranged into a 12.5 cm convex slit and pointed to a common pupil to feed the spectrograph optics. In our poster, we describe the BigBOSS fiber system requirements and design.

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