The Advanced Camera for Surveys The Johns Hopkins University

ACS MAMA Specifications

also see: Introduction | Images

Architecture: MAMA detector with single curved channel MCP
Photocathode: CsI, opaque photocathode on MCP surface
Wavelength range: 112 - 180 nm
Spatial Resolution: 28.2 um @ 121 nm
Pixel Format: 1024x1024
Pixel Size: 25x25 um
Field of View: 29.7x29.7 arcseconds
Visible light rejection: 1.16x10^-9@ 400 nm
Dark Count Rate: LT 2.5x10^-4 counts/pixel/sec
Dark Spots: 3
Bright Spots: 1
Spatial non-linearity: 5 u/mm (max)
Quantum efficiency:

19.2% @ 121.6 nm
18.9% @ 125.4 nm
17.7% @ 135.4 nm
15.4% @ 140.3 nm
12.5% @ 148.7 nm
2.4% @ 180 nm

/instrument/detectors/MAMA/specs/?for_printing=1
Last updated 28 June 2000 15:54:57
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