Mathematics – Logic
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21730503s&link_type=abstract
American Astronomical Society, AAS Meeting #217, #305.03; Bulletin of the American Astronomical Society, Vol. 43, 2011
Mathematics
Logic
Scientific paper
Microchannel plate (MCP) electron imaging amplifiers were introduced in the early 1960s as an outgrowth of work on single channel continuous dynode multipliers, and have since become a mainstay of many classes of imaging system. Initially used as an element in image intensifiers, the MCPs direct sensitivity to electrons, ions, and x-rays have resulted in an enormous range of applications, from UV astronomy to electron spectroscopy. Over the past 28 years the Experimental Astrophysics Group (EAG) at the Space Sciences Laboratory have pioneered the development and use of photon counting detection devices based on MCP technology. Their use on a variety of successful space missions (e.g., SOHO, ALEXIS, ACE, ROSAT, HST-STIS, HST-COS, EUVE, CHANDRA, SAMPEX, IMAGE, FUSE, TIMED, ROSETTA, NEW HORIZONS, CHIPS and GALEX) operating from the visible to X-ray regimes for both imagery and spectroscopy has demonstrated their high reliability, low power, low weight, operation at ambient temperature, immunity to the radiation environment of space, solar blindness and high temporal and spatial resolution. Improvements in quantum efficiency, spatial resolution and large format size are ongoing and are constructive in support on a number of upcoming Explorer proposal efforts and current studies for future missions. Though our research is currently aimed at developing a new type of MCPs for space astronomy missions, this technology will also be highly useful for imaging devices for biological, particle, atmospheric and homeland security/reconnaissance systems where MCPs are currently being utilized.
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