{"title":"基于通量的大型数字光电探测器阵列在轨非线性校正方法。","authors":"Baptiste Gonon-Mathieu, Felix Witte, Markus Haiml","doi":"10.1364/AO.564799","DOIUrl":null,"url":null,"abstract":"<p><p>This paper presents a method to measure and correct the non-linearity of a high-resolution digital photodetector based on photon flux variation. This so-called \"derivative sampling method\" requires no calibrated light source or reference and has been successfully implemented with two SLEDs. This setup could be easily adapted for future satellites for accurate post-launch in-orbit calibration. A correction greater than one order of magnitude has been achieved.</p>","PeriodicalId":101299,"journal":{"name":"Applied optics","volume":"64 26","pages":"7739-7745"},"PeriodicalIF":0.0000,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Flux-based calibration method for in-orbit non-linearity correction of large digital photodetector arrays.\",\"authors\":\"Baptiste Gonon-Mathieu, Felix Witte, Markus Haiml\",\"doi\":\"10.1364/AO.564799\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>This paper presents a method to measure and correct the non-linearity of a high-resolution digital photodetector based on photon flux variation. This so-called \\\"derivative sampling method\\\" requires no calibrated light source or reference and has been successfully implemented with two SLEDs. This setup could be easily adapted for future satellites for accurate post-launch in-orbit calibration. A correction greater than one order of magnitude has been achieved.</p>\",\"PeriodicalId\":101299,\"journal\":{\"name\":\"Applied optics\",\"volume\":\"64 26\",\"pages\":\"7739-7745\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2025-09-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Applied optics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1364/AO.564799\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied optics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1364/AO.564799","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Flux-based calibration method for in-orbit non-linearity correction of large digital photodetector arrays.
This paper presents a method to measure and correct the non-linearity of a high-resolution digital photodetector based on photon flux variation. This so-called "derivative sampling method" requires no calibrated light source or reference and has been successfully implemented with two SLEDs. This setup could be easily adapted for future satellites for accurate post-launch in-orbit calibration. A correction greater than one order of magnitude has been achieved.
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