HETEROJUNCTION GEXSI1-X/SI INFRARED DETECTORS AND FOCAL-PLANE ARRAYS

被引:27
作者
TSAUR, BY
CHEN, CK
MARINO, SA
机构
关键词
INFRARED TECHNOLOGY; HETEROJUNCTION DETECTORS; IRSI DETECTORS; FOCAL PLANE ARRAYS;
D O I
10.1117/12.151535
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Heterojunction GexSi1-x/Si internal-photoemission infrared detectors are being developed for multispectral imaging in the middle-wavelength infrared (MWIR) and long-wavelength infrared (LWIR) spectral bands. The detectors, which are fabricated by molecular beam epitaxy of degenerately doped GexSi1-x heteroepitaxial layers on Si, exhibit high responsivity uniformity, low dark-current noise, tunable cutoff wavelength out to 25 mum, and excellent producibility. High-quality MWIR and LWIR thermal imagery has been obtained for 320-x244- and 400x400-element focal plane arrays consisting of GexSi1-x/Si detectors with cutoff wavelength of approximately 10 mum and monolithic CCD readout circuitry.
引用
收藏
页码:72 / 78
页数:7
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