UVIS Channel Ghosts after Filter Replacement

Details UVIS Channel Ghosts after Filter Replacement UVIS Channel Ghosts after Filter Replacement

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007wfc..rept....9b&link_type=abstract

Instrument Science Report WFC3 2007-09, 18 pages

Computer Science

Hubble Space Telescope, Hst, Space Telescope Science Institute, Wide Field Camera 3, Wfc3. Thermal Vacuum Test, Filter Ghosts, Ghosts, Ghosting

Scientific paper

The first ambient and thermal vacuum tests for WFC3 discovered significant filter ghosts due to reflections between filter substrates. Those filters with the most problematic ghosting were replaced in the instrument. The current ground test campaign, using the UVIS spare detector (UVIS build 2), includes imaging through these replacement filters to verify the mitigation of the ghosts. The results confirm that the ghosts in these filters have been significantly reduced in strength and complexity.

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