SpectroCam-10 Detector Engineering Data

HiRes Spectra showing Detector Fringing

MB-2 detector, No AR coating. W.L. = 8.99 microns, taken at telescope

AsM3-3 detector, First AR coating. W.L. ~ 11.7 microns, taken in lab.

AsM4-2 detector, 2nd AR coating. W.L. ~ 9.0 microns, taken in lab.

AsM4-3 detector, 2nd AR coating. W.L. ~ 8.8 microns, taken in lab.

AsM4-4 detector, Switchable-cap. mux, old detector material w/ first AR coating.
W.L. ~ 8.8 microns, taken in lab.

AsM4-3 on telescope, mirror covers closed.
HiRes mode, Left Edge = 9.1244 micron, Right = 8.9558 microns
Dispersion = 0.001328 microns/detector pixel
Residual atmospheric emission lines visible at columns 67 (9.0355 um) and 96 (8.997 um).
Fringe contrast (peak-to-valley) = 15% of mean signal.

Camera Mode Flat Fields:

ColorStretch from 0.9588 to 1.0321 of mean responsivity.

AsM3-3, 1995 August

AsM4-3, 1996 June