S. Ašmontas, J. Gradauskas, V. Kazlauskaitė, A. Sužiedėlis, E. Sirmulis, M. Vingelis
{"title":"GaAs/AlGaAs heterojunction as a fast detector of infrared laser pulses","authors":"S. Ašmontas, J. Gradauskas, V. Kazlauskaitė, A. Sužiedėlis, E. Sirmulis, M. Vingelis","doi":"10.1117/12.815954","DOIUrl":null,"url":null,"abstract":"We present experimental study of photoresponse in small area GaAs/AlGaAs heterojunction planar detector induced by nanosecond CO2 laser pulses. This device revealed itself as a fast IR sensor operating at room temperature. Hot carrier effects are proposed to be responsible for the photoresponse formation.","PeriodicalId":273853,"journal":{"name":"International Conference on Advanced Optical Materials and Devices","volume":"16 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Conference on Advanced Optical Materials and Devices","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.815954","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We present experimental study of photoresponse in small area GaAs/AlGaAs heterojunction planar detector induced by nanosecond CO2 laser pulses. This device revealed itself as a fast IR sensor operating at room temperature. Hot carrier effects are proposed to be responsible for the photoresponse formation.
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