Large-format multiband QWIP focal plane arrays

Sarath D. Gunapala; Sumith V. Bandara; John K. Liu; Sir B. Rafol; Jason M. Mumolo

doi:10.1117/12.504633

10 November 2003 Large-format multiband QWIP focal plane arrays

Sarath D. Gunapala, Sumith V. Bandara, John K. Liu, Sir B. Rafol, Jason M. Mumolo

Proceedings Volume 5152, Infrared Spaceborne Remote Sensing XI; (2003) https://doi.org/10.1117/12.504633
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

A 640×512 pixel, long-wavelength cutoff, narrow-band (Δλ/λ~10%) quantum well infrared photodetector (QWIP) focal plane array (FPA), a four-band QWIP FPA in the 4-15 μm spectral region, and a broad-band (Δλ/λ~42%) QWIP FPA having a 15.4 μm cutoff have been demonstrated. In this paper, we discuss the electrical and optical characterization of these FPAs, and their performance. In addition, we discuss the development of a very sensitive (NEDT~~10.6 mK) 640×512 pixel thermal imaging camera having a 9 μm cutoff.

Citation Download Citation

Sarath D. Gunapala, Sumith V. Bandara, John K. Liu, Sir B. Rafol, and Jason M. Mumolo "Large-format multiband QWIP focal plane arrays", Proc. SPIE 5152, Infrared Spaceborne Remote Sensing XI, (10 November 2003); https://doi.org/10.1117/12.504633

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