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Quantum well and quantum dot based detector arrays for infrared imaging applications
Proc. SPIE 6678, 66780R (2007); http://dx.doi.org/10.1117/12.729492
Monday 27 August 2007
San Diego, CA, USA
Infrared Spaceborne Remote Sensing and Instrumentation XV
Marija Strojnik-Scholl
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Add to FacebookA mid-wavelength infrared (MWIR) and long-wavelength infrared (LWIR) 1024x1024 pixel quantum well infrared photodetector (QWIP) focal plane arrays (FPAs) have been demonstrated with excellent imagery. MWIR FPA has given noise equivalent differential temperature (NEΔT) of 19 mK at 95K operating temperature and LWIR FPA has given NEΔT of 13 mK at 70K operating temperature. In addition, epitaxially grown self-assembled InAs/InGaAs/GaAs quantum dots (QDs) are exploited for the development of large-format FPAs. The QD devices were fabricated into the first LWIR 640x512 pixel QDIP FPA, which has produced excellent infrared imagery with NEΔT of 40 mK at 60K operating temperature.
© 2007 COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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Online Sep 26, 2007
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S. D. Gunapala, S. V. Bandara, D. Z. Ting, J. K. Liu, C. J. Hill, J. M. Mumolo, E. Kurth, J. Woolaway, P. D. LeVan and M. Z. Tidrow, "Quantum well and quantum dot based detector arrays for infrared imaging applications",
Proc. SPIE 6678, 66780R (2007); http://dx.doi.org/10.1117/12.729492
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