{"title":"用于光抽运铯标准的低噪声激光器","authors":"L. Lewis","doi":"10.1109/FREQ.1989.68850","DOIUrl":null,"url":null,"abstract":"An external cavity diode laser is developed for optical pumping and detection of a cesium atomic beam. The laser is about 2*4*5 cm in size, is tunable to any wavelength over a 40-nm range, and emits two collimated beams of light with power outputs to 6 mW each. The laser spectrum consists of a single longitudinal mode with every narrow linewidth. When locked to a single hyperfine transition in atomic cesium, the signal-to-noise ratio (SNR) for fluorescence detection of the transition far exceeds the SNR observed when an unmodified laser diode is used.<<ETX>>","PeriodicalId":294361,"journal":{"name":"Proceedings of the 43rd Annual Symposium on Frequency Control","volume":"47 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1989-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Low noise laser for optically pumped cesium standards\",\"authors\":\"L. Lewis\",\"doi\":\"10.1109/FREQ.1989.68850\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"An external cavity diode laser is developed for optical pumping and detection of a cesium atomic beam. The laser is about 2*4*5 cm in size, is tunable to any wavelength over a 40-nm range, and emits two collimated beams of light with power outputs to 6 mW each. The laser spectrum consists of a single longitudinal mode with every narrow linewidth. When locked to a single hyperfine transition in atomic cesium, the signal-to-noise ratio (SNR) for fluorescence detection of the transition far exceeds the SNR observed when an unmodified laser diode is used.<<ETX>>\",\"PeriodicalId\":294361,\"journal\":{\"name\":\"Proceedings of the 43rd Annual Symposium on Frequency Control\",\"volume\":\"47 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-05-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings of the 43rd Annual Symposium on Frequency Control\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/FREQ.1989.68850\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings of the 43rd Annual Symposium on Frequency Control","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FREQ.1989.68850","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Low noise laser for optically pumped cesium standards
An external cavity diode laser is developed for optical pumping and detection of a cesium atomic beam. The laser is about 2*4*5 cm in size, is tunable to any wavelength over a 40-nm range, and emits two collimated beams of light with power outputs to 6 mW each. The laser spectrum consists of a single longitudinal mode with every narrow linewidth. When locked to a single hyperfine transition in atomic cesium, the signal-to-noise ratio (SNR) for fluorescence detection of the transition far exceeds the SNR observed when an unmodified laser diode is used.<>
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