{"title":"Low onset stimulated emission in OLEDS","authors":"M. Nelson","doi":"10.1117/12.2634247","DOIUrl":null,"url":null,"abstract":"Stimulated emission is observed from OLEDS at current densities as low as 20 uA/cm2, where a high Q cavity is formed between the Ag cathode and the exit surface of the substrate. Inversion is dependent on Boltzmann population of vibrational levels serving as the ground state and this results in spectral dynamics on the time scale of thermalization of the device.","PeriodicalId":145218,"journal":{"name":"Organic Photonics + Electronics","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Organic Photonics + Electronics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.2634247","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
Stimulated emission is observed from OLEDS at current densities as low as 20 uA/cm2, where a high Q cavity is formed between the Ag cathode and the exit surface of the substrate. Inversion is dependent on Boltzmann population of vibrational levels serving as the ground state and this results in spectral dynamics on the time scale of thermalization of the device.
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