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Published July 15, 2010 | Published
Book Section - Chapter Open

The Cosmic Infrared Background Experiment (CIBER): Instrumentation and First Results


Ultraviolet emission from the first generation of stars in the Universe ionized the intergalactic medium in a process which was completed by z similar to 6; the wavelength of these photons has been redshifted by (1 + z) into the near infrared today and can be measured using instruments situated above the Earth's atmosphere. First flying in February 2009, the Cosmic Infrared Background ExpeRiment (CIBER) comprises four instruments housed in a single reusable sounding rocket borne payload. CIBER will measure spatial anisotropies in the extragalactic IR background caused by cosmological structure from the epoch of reionization using two broadband imaging instruments, make a detailed characterization of the spectral shape of the IR background using a low resolution spectrometer, and measure the absolute brightness of the Zodiacal light foreground with a high resolution spectrometer in each of our six science fields. The scientific motivation for CIBER and details of its first and second flight instrumentation will be discussed. First flight results on the color of the zodiacal light around 1 mu m and plans for the future will also be presented.

Additional Information

© 2010 SPIE. This work was supported by NASA APRA research grants (NNX07A154G, NNG05WC18G, NNX07AG43G, and NNX07AJ24G), and KAKENHI grants (20.34, 18204018, 19540250, 21111004, and 21340047) from the Japan Society for the Promotion of Science and the Ministry of Education, Culture, Sports, Science and Technology. We acknowledge the dedicated efforts of the sounding rocket staff at NASA Wallops Flight Facility and White Sands Missile Range, and the engineers at the Genesia Corporation for the technical support of the CIBER optics. We thank Dr. Allan Smith, Dr. Keith Lykke, and Dr. Steven Brown (the National Institute of Standards and Technology) for laboratory calibration of the four CIBER instruments. MZ acknowledges support from a NASA Postdoctoral Fellowship, KT acknowledges support from the JSPS Research Fellowship for the Young Scientists, and AC acknowledges support from an NSF CAREER award.

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