KICP Senior member
Ph.D., University of Manchester, 1985
I was working on the design of CCAT, a 25-m submillimeter-wave telescope that will be located in Chile.
The Cosmic Microwave Background Radiation
I was the Project Manager for the South Pole Telescope (SPT), a 10-m off-axis Gregorian telescope equipped with a wide-field millimeter-wave bolometer camera. The SPT is surveying galaxy clusters using the Sunyaev-Zel'dovich effect, and will measure polarization of the cosmic microwave background radiation. It is located at the Amundsen-Scott South Pole Station in Antarctica. My main contribution to the SPT was the optical design, which is a classical Gregorian with a cold stop surrounding the secondary.
I was the Project Scientist for the Cosmic Background Imager (CBI), an interferometer array which measured the angular power spectrum of fluctuations in the 3K cosmic microwave background radiation. Our results confirmed the presence of a damping tail and high-order doppler peaks, which are key predictions of the standard Big Bang models. The CBI has thirteen 1-m antennas, with cooled receivers operating at a wavelength of 1 cm. It is located in the Atacama Desert at an altitude of 5000 m. My main contribution to the CBI was a 10-GHz bandwidth analog correlator.
Ongoing Scientific Projects:
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