Focal photodetector arrays based on CdHgTe heteroepitaxial layers grown by molecular-beam epitaxy on GaAs substrates

被引:0
|
作者
Vasil'ev, VV [1 ]
Voinov, VG [1 ]
Esaev, DG [1 ]
Zakhar'yash, TI [1 ]
Klimenko, AG [1 ]
Kozlov, AI [1 ]
Krymskii, AI [1 ]
Marchishin, IV [1 ]
Ovsyuk, VN [1 ]
Romashko, LF [1 ]
Svitashev, KK [1 ]
Suslyakov, AO [1 ]
Talipov, NK [1 ]
Sidorov, YG [1 ]
Varavin, VC [1 ]
Dvoretskii, SA [1 ]
Mikhailov, NN [1 ]
机构
[1] Russian Acad Sci, Inst Semicond Phys, Siberian Sect, Novosibirsk 630090, Russia
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中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This paper describes a technology for fabricating photodetector arrays with a 32 X 32 and 128 X 128 format, based on HgCdTe/CdTe/GaAs heterostructure diodes grown by molecular-beam epitaxy. The technology is demonstrated for hybrid assembly with a multiplexer with continuous monitoring of the process of cold welding of indium posts. The threshold power of the elements of a photodetector device with a 128 X 128 format with a long-wavelength photosensitivity limit of 10.4 and 5.2 mu m equals 1.7 X 10(-13) and 1.1 x 10(-14) W/Hz(1/2), respectively. The noise-equivalent temperature difference in the frame field equalled 0.077 K when the background temperature was 293 K. (C) 1998 The Optical Society of America.
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页码:68 / 72
页数:5
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