Infrared Optical Devices of Layered Structure.
DEPARTMENT OF THE ARMY WASHINGTON DC
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An optical device is disclosed which includes first and second superlattice semiconductor regions. The first superlattice semiconductor regions. The first supperlattice semiconductor region includes a plurality of alternating barrier and light absorbing layers which absorbs light of a first light frequency. The second superlattice region also includes a plurality of alternating barrier and light absorbing layers. However, the light absorbing layers of the second superlattice semiconductor region absorbs light of a different frequency. Author
- Infrared Detection and Detectors