  Strained layer superlattice (SLS) detectors are a new class of infrared
detectors available in the scientific and commercial markets. The
photosensitive bandpass is set by material and engineered properties with
typical detectors covering 7.5- 10.5 microns, bluer than traditional N-band
filters. SLS detectors have the potential to reach lower dark current than
traditional infrared materials (like HgCdTe) allowing comparable photometric
sensitivity at higher detector temperatures, easing cooling requirements.
Conversely, at equal cryogenic temperatures the SLS detector will have lower
dark current than HgCdTe allowing better photometric sensitivity under dark
current limited operation. This work presents laboratory measurements of SLS
detectors to quantify detector linearity and time stability. The potential
advantages in using SLS- based detectors in future astronomical instruments is
also discussed.
