{"title":"高功率密度同轴KrBr*激振灯的辐射效率","authors":"Qiuyi Han, Xiaobo Zhuang, Wei Xu, Shanduan Zhang","doi":"10.2150/JLVE.IEIJ130000516","DOIUrl":null,"url":null,"abstract":"The characteristics of the emission spectra of coaxial KrBr * excilamps are investigated with high electric power density ranging from 557 to 803 W/m driven by sinusoidal electronic control gear (ECG) as well as 367 to 546 W/m by pulsed ECG, based on the dielectric barrier discharge. The radiant power of intense narrow band ultraviolet radiation at 207 nm is derived from the irradiance according to Keitz formula while the input power is measured and compared by Lissajous figure and integration of voltage and current. It is shown that the measurement power of integration of voltage and current achieves more accuracy. And the radiant efficiency of 207 nm varies with the gas parameters, demonstrating an optimum 4.1% of energy converted to 207 nm band radiation at pressure 300 mbar and bromine percentage 0.25%.","PeriodicalId":311488,"journal":{"name":"Journal of Light & Visual Environment","volume":"47 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2013-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Radiant Efficiency of Coaxial KrBr* Excilamps with High Power Density\",\"authors\":\"Qiuyi Han, Xiaobo Zhuang, Wei Xu, Shanduan Zhang\",\"doi\":\"10.2150/JLVE.IEIJ130000516\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The characteristics of the emission spectra of coaxial KrBr * excilamps are investigated with high electric power density ranging from 557 to 803 W/m driven by sinusoidal electronic control gear (ECG) as well as 367 to 546 W/m by pulsed ECG, based on the dielectric barrier discharge. The radiant power of intense narrow band ultraviolet radiation at 207 nm is derived from the irradiance according to Keitz formula while the input power is measured and compared by Lissajous figure and integration of voltage and current. It is shown that the measurement power of integration of voltage and current achieves more accuracy. And the radiant efficiency of 207 nm varies with the gas parameters, demonstrating an optimum 4.1% of energy converted to 207 nm band radiation at pressure 300 mbar and bromine percentage 0.25%.\",\"PeriodicalId\":311488,\"journal\":{\"name\":\"Journal of Light & Visual Environment\",\"volume\":\"47 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-03-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Light & Visual Environment\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2150/JLVE.IEIJ130000516\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Light & Visual Environment","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2150/JLVE.IEIJ130000516","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Radiant Efficiency of Coaxial KrBr* Excilamps with High Power Density
The characteristics of the emission spectra of coaxial KrBr * excilamps are investigated with high electric power density ranging from 557 to 803 W/m driven by sinusoidal electronic control gear (ECG) as well as 367 to 546 W/m by pulsed ECG, based on the dielectric barrier discharge. The radiant power of intense narrow band ultraviolet radiation at 207 nm is derived from the irradiance according to Keitz formula while the input power is measured and compared by Lissajous figure and integration of voltage and current. It is shown that the measurement power of integration of voltage and current achieves more accuracy. And the radiant efficiency of 207 nm varies with the gas parameters, demonstrating an optimum 4.1% of energy converted to 207 nm band radiation at pressure 300 mbar and bromine percentage 0.25%.
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