Filter Calibration
Scientists at Penn State have measured the spatial and spectral properties of the ACIS Optical/UV blocking filters:
ACIS Flight Filter Transmission Models
The spatial and spectral properties
of the ACIS UV/Optical blocking filters are characterized.
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Transmission Maps of the ACIS UV/Optical Blocking Filters
ACIS UV/Optical Blocking Filters
were calibrated at the Synchrotron Radiation Center in June 1995 and April
1996. The resulting spatial transmission maps provide the finest
spatial calibration ever achieved on such filters.
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ACIS UV/Optical Blocking Filter Calibration at the National Synchrotron Light Source
Measurements of the transmission
properties of the AXAF CCD Imaging Spectrometer(ACIS) UV/Optical blocking
filters were performed at the National Synchrotron Light Source at Brookhaven
Laboratories. The X-ray transmissions of two Al:Si/LEXAN/Al:Si three-layer
filters were measured between 260 and 3000 eV.
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