Report
to the SSC-Sept 10/01
Page 14
DEIMOS Camera
•Motion in camera
confirmed by two independent methods
–Double-pass test using a point source at the focal plane, a mirror at the front of the camera, and the Cohu detector, does not need spectrograph or science
detector
–Analysis by of ghost
images taken with the 900 line grating;
separately measured detector motion must be subtracted off
–Two test agree
well