Physics – Optics
Scientific paper
Jan 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21544123p&link_type=abstract
American Astronomical Society, AAS Meeting #215, #441.23; Bulletin of the American Astronomical Society, Vol. 42, p.405
Physics
Optics
Scientific paper
The characterization of the optical quality of the Infrared Imaging System (IRIS) camera is primarily a test of whether the system works similarly in reality to the description of the optics provided by the ZEMAX software under the same conditions. IRIS reuses many of the components of the now decommissioned Quick Infrared Camera (QUIRC), including existing hardware for which the design drawings were no longer available. Thus, during the mechanical design phase of the camera a degree of uncertainty was left as to the exact position of the detector array relative to the field flattener. The temperature at which testing was conducted was not thoroughly monitored, creating another the potential for error in the detector position. An experiment was designed to mimic the ray tracing of ZEMAX onto the IRIS detector for a comparison of the theoretical results with actual experimental data with the purpose of correcting this uncertainty. Based on this comparison, it is found that the internal optical quality of IRIS will be improved by moving the detector away from the field flattener and that new legs will need to be fabricated for the detector mount that are 3.07 mm shorter than the existing ones.
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