蓝紫光范围灵敏的GaAs/Ga_(0.55)Al_(0.45)As异质结光晶体管

Abstract: 本文在对异质结光晶体管的光电流注入进行理论分析的基础上,采用选择性腐蚀工艺,制出了在蓝紫光波段灵敏的GaAs/Ga_(0.55)Al_(0.45)As异质结光晶体管,其光谱响应范围为小于4000A到8800A.峰值响应波长为5500A.4000A处的相对响应约为30%,其绝对响应度优于 70μA/μW.

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