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Infrared imaging with InAs/GaSb type-II superlattices

Infrarot-Wärmebilder mit InAs/GaSb Typ-II Übergittern
: Walther, M.; Weimann, G.


Physica status solidi. A 203 (2006), Nr.14, S.3545-3549
ISSN: 0031-8965
ISSN: 1862-6300
ISSN: 1521-396X
ISSN: 1862-6319
Fraunhofer IAF ()
IR detector; IR-Detektor; superlattice; Übergitter; InAs/GaSb; infrared; Infrarot

InAs/GaSb short period superlattices (SLs) with broken gap typ-II band alignment are very well suited for the fabrication of high performance infrared camera systems for the second atmospheric window (3-5 µm). High resolution focal plane arrays for single- and dual-colour applications based on InAs/GaSb SLs have been fabricated. Those camera systems reveal excellent performance data which are comparable and even superior to state of the art thermal imaging systems.