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About

Craig Loomis is an instrumentation scientist whose research centers on the design and development of advanced spectrographic systems for ground-based astronomical observatories. His most recognized contributions lie in the engineering of the SuMIRe Prime Focus Spectrograph (PFS) for the Subaru Telescope, a landmark instrument capable of simultaneously collecting spectra from 2,394 celestial objects — a remarkable feat of multiplexed spectroscopy that positions it among the most ambitious survey instruments in modern astronomy. Loomis has made substantive contributions across multiple critical subsystems of the PFS, including the near infrared camera design, visible camera cryostat engineering, and detector and control system architecture. His 2014 paper detailing the near infrared camera design has garnered 9 citations, while his 2016 works on the visible camera cryostats and detector systems have each attracted meaningful recognition from the instrumentation community, reflecting steady engagement with his technical findings. His work exemplifies the often-unsung but essential role of instrument builders in enabling cutting-edge cosmological surveys, including measurements of galaxy redshifts and large-scale structure. For students and researchers entering observational astronomy or astronomical instrumentation, Loomis's publications offer a rigorous and practical foundation in spectrograph design at scale.