Subject: Jim Gunn on DIS grating efficiencies

From: Michael Strauss

Submitted: Thu, 26 Mar 1998 11:39:51 -0500 (EST)

Message number: 47 (previous: 46, next: 48 up: Index)

I do not understand. The blaze on very fine gratings is not so good
as on coarser ones, but the performance on both med and high is
terrible. That on low is fine, so the detector is not at fault, but
it is not so bad that the grating could be in backwards. I will
look when I am there if there is any time.

jim


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