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- Article name
- Investigation of 2×2×288 two-color MCT TDI FPA
- Authors
- Yakovleva N. I., , orion@orion-ir.ru, Orion R&P Association, 46/2 Enthusiasts highway, Moscow, 111123, Russia
Boltar K. O., , orion@orion-ir.ru, Orion Research-and-Production Association, 9 Kosinskaya str., Moscow, 111402, Russia
Poluneev V. V., , orion@orion-ir.ru, Orion R&P Association, 46/2 Enthusiasts road, Moscow, 111402, Russia
Denisov I. A., , labr7@giredmet.ru, JSC Giredmet, the Federal State Research and Design Institute of Rare Metal Industry, 5, Build. 1, B. Tolmachevski per., Moscow, 119017, Russia
Smirnova N. A., , labr7@giredmet.ru, JSC Giredmet, the Federal State Research and Design Institute of Rare Metal Industry, 5, Build. 1, B. Tolmachevski per., Moscow, 119017, Russia
- Keywords
- CdxHg1-xTe / MCT / heteroepitaxial structures / liquid phase epitaxy / matrix of photosensitive elements / double-spectral photodetector / photoelectric characteristics
- Year
- 2011 Issue 2 Pages 73 - 79
- Code EDN
- Code DOI
- Abstract
- Performances of the 2×2×288 two-color MCT TDI FPA on the basis of MCT liquid phase heteroepitaxial structures have been investigated. Multilayer heteroepitaxial structure FPA is realized in such manner that the photodiodes of 8-12 µm spectral range are formed in top MCT sensitive layer, the photodiodes of 3-5 µm spectral range are formed into a pocket with 6 µm depth. The difference between photosensitive lines of 8-12 µm and 3-5 µm spectral ranges is less than 100 µm at 28 µm element-to-element pitch that provides the easy scanner adjustment. Photoelectric performances of the 2×2×288 two-color MCT TDI FPA in 3-5 and 8-12 µm spectral ranges are close to the theoretical limit restricted by a noise of background radiation.
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