Type-II superlattice detector for long-wave infrared imaging

被引：16

作者：

Klipstein, P. C. ^{[1
]}

Avnon, E. ^{[1
]}

Benny, Y. ^{[1
]}

Fraenkel, A. ^{[1
]}

Glozman, A. ^{[1
]}

Hojman, E. ^{[1
]}

Ilan, E. ^{[1
]}

Kahanov, E. ^{[1
]}

Klin, O. ^{[1
]}

Langof, L. ^{[1
]}

Livneh, Y. ^{[2
]}

Lukomsky, I. ^{[1
]}

Nitzani, M. ^{[1
]}

Shkedy, L. ^{[1
]}

Shtrichman, I. ^{[1
]}

Snapi, N. ^{[1
]}

Talmor, R. ^{[1
]}

Tuito, A. ^{[2
]}

Vaserman, S. ^{[1
]}

Weiss, E. ^{[1
]}

机构：

[1] Semicond Devices, IL-31021 Haifa, Israel

[2] Israel MOD, Tel Aviv, Israel

来源：

INFRARED TECHNOLOGY AND APPLICATIONS XLI | 2015年 / 9451卷

关键词：

Infrared Detector; LWIR; Focal Plane Array; Type II superlattice; XBp; pBp;

D O I：

10.1117/12.2175848

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

When incorporated into the active layer of a "XBp" detector structure, Type II InAs/GaSb superlattices (T2SLs) offer a high quantum efficiency (QE) and a low diffusion limited dark current, close to MCT Rule 07. Using a simulation tool that was developed to predict the QE as a function of the T2SL period dimensions and active layer stack thickness, we have designed and fabricated a new focal plane array (FPA) T2SL XBp detector. The detector goes by the name of "Pelican-DLW", and has a format of 640 x 512 pixels with a pitch of 15 mu m. The FPA has a QE of 50% (one pass), a cut-off of similar to 9.5 mu m, and operates at 77K with a high operability, background limited performance and good stability. It uses a new digital read-out integrated circuit, and the integrated detector cooler assembly (IDCA) closely follows the configuration of SCD's Pelican-D MWIR detector.

引用

页数：8

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