NASA NTRS · 20080007002
Dual band QWIP focal plane array
Abstract
A quantum well infrared photodetector (QWIP) that provides two-color image sensing. Two different quantum wells are configured to absorb two different wavelengths. The QWIPs are arrayed in a focal plane array (FPA). The two-color QWIPs are selected for readout by selective electrical contact with the two different QWIPs or by the use of two different wavelength sensitive gratings.
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Gunapala, Sarath D., Choi, Kwong Kit, Bandara, Sumith V.. 2005-11-22. Dual band QWIP focal plane array. https://ntrs.nasa.gov/citations/20080007002
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