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GaAs/GaAlAs中红外量子阱探测器和双色量子阱红外探测器
Authors
刘伟
周增圻
+8 more
夏建白
宋春英
崔丽秋
张耀辉
杨小平
林耀望
江德生
郑厚植
Publication date
1 January 1996
Publisher
Abstract
报道GaAs/GaAlAs中红外(3~5μm)量子阱探测器和双色量子阱红外探测器的制备和性能。GaAs/GaAlAs中红外量子阱探测器是光伏型,探测峰值波长为5.3μm,85K下的500K黑体探测率为3.0×10~9cm·Hz~(1/2)/W,峰值探测率达到5×10~(11)cm·Hz~(1/2)/W,阻抗为50MΩ。GaAs/GaAlAs双色量子阱红外探测器是偏压控制型的两端器件,在零偏压下该探测器仅在3~5μm波段有响应,响应峰值波长为5.3μm,85K温度下550K黑体探测率为3.0×10~9cm·Hz~(1/2)/W,当偏压为2V时,该探测器的响应切换到8~12μm波段,峰值响应波长为9.0μm,85K温度下的黑体探测率为1.0×10~9cm·Hz~(1/2)/W
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Last time updated on 15/03/2019