HRC-I post-HVPS fix QE(E)
correcting for UV/Ion Shield Transmission

line	energy	TUV	QEUVIS IN			QEUVIS OUT			HRC team QE
			open	coated	central	open	coated	central
B K	183	0.145	0.056	0.054	0.058	0.386	0.372	0.400 ± 0.008	0.439
C K	277	0.434	0.195	0.194	0.207	0.449	0.447	0.477 ± 0.005	0.470
O K	525	0.393	0.111	0.114	0.124	0.282	0.290	0.316 ± 0.006	0.305
Ni L	852	0.693	0.255	0.263	0.290	0.368	0.380	0.418 ± 0.07	0.405
Al K	1487	0.923	0.278	0.287	0.307	0.301	0.311	0.333 ± 0.02	0.336
Ag L	2984	0.976	0.076	0.078	0.085	0.078	0.080	0.087 ± 0.02	0.171
Ti K	4511	0.993	0.098	0.100	0.107	0.099	0.101	0.108 ± 0.004	0.111
Fe K	6404	0.997	0.136	0.139	0.149	0.136	0.139	0.149 ± 0.006	0.149
plot of results

line	atomic transition used to generate x-rays
energy	peak energy of emission line (eV)
TUVIS	X-ray transmission of the HRC-I flight UV/Ion shield, The data are taken from HRC Calibration Data Products, based on measurements described in Meehan et al. (1997).
QEUVIS IN	quantum efficiency of the HRC-I, including the UV/Ion shield. These are the same values found in the HRC-I QE(E) table under QEMCP.
QEUVIS OUT	calculated quantum efficiency of the HRC-I MCP alone. QEUVIS OUT = QEUVIS IN ÷ TUV.
open	total open region of the MCP
coated	CsI coated region of the MCP
central	square region occupying central 12.1% of the total open region
HRC team QE	the QE values for the HRC-I (without UVIS), based on the data and model fit by the HRC instrument group, with dead time corrections included.

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This page last updated: 20 May 1998
maintained by: Charles Wilton

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