{"title":"氢脉泽质量参数的测量与解释","authors":"E. Mattison, W. Shen, R. Vessot","doi":"10.1109/FREQ.1985.200820","DOIUrl":null,"url":null,"abstract":"Two properties of interest in characterizing the operation of the hydrogen maser are (a) the effectiveness of the state selecting magnet and (b) the relaxation rates of hydrogen atoms in the storage bulb. A measurement of the maser's line Q as a function of output power is capable of yielding information about these properties. This measurement provides an estimate of the maser quality parameter \"q\" and of the relaxation rate \"7t\", from which other relaxation rates can be inferred. (Methods of measuring q by varying the cavity Q using external gain[l] and by applying inhomogeneous magnetic fields E2 1 have been described in the literature.) We derive a relationship between q, line Q, and maser power, and then discuss the application of this technique. l.€EQEx","PeriodicalId":291824,"journal":{"name":"39th Annual Symposium on Frequency Control","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1985-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Measurement and Interpretation of Hydrogen Maser Quality Parameters\",\"authors\":\"E. Mattison, W. Shen, R. Vessot\",\"doi\":\"10.1109/FREQ.1985.200820\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Two properties of interest in characterizing the operation of the hydrogen maser are (a) the effectiveness of the state selecting magnet and (b) the relaxation rates of hydrogen atoms in the storage bulb. A measurement of the maser's line Q as a function of output power is capable of yielding information about these properties. This measurement provides an estimate of the maser quality parameter \\\"q\\\" and of the relaxation rate \\\"7t\\\", from which other relaxation rates can be inferred. (Methods of measuring q by varying the cavity Q using external gain[l] and by applying inhomogeneous magnetic fields E2 1 have been described in the literature.) We derive a relationship between q, line Q, and maser power, and then discuss the application of this technique. l.€EQEx\",\"PeriodicalId\":291824,\"journal\":{\"name\":\"39th Annual Symposium on Frequency Control\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-05-29\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"39th Annual Symposium on Frequency Control\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/FREQ.1985.200820\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"39th Annual Symposium on Frequency Control","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/FREQ.1985.200820","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Measurement and Interpretation of Hydrogen Maser Quality Parameters
Two properties of interest in characterizing the operation of the hydrogen maser are (a) the effectiveness of the state selecting magnet and (b) the relaxation rates of hydrogen atoms in the storage bulb. A measurement of the maser's line Q as a function of output power is capable of yielding information about these properties. This measurement provides an estimate of the maser quality parameter "q" and of the relaxation rate "7t", from which other relaxation rates can be inferred. (Methods of measuring q by varying the cavity Q using external gain[l] and by applying inhomogeneous magnetic fields E2 1 have been described in the literature.) We derive a relationship between q, line Q, and maser power, and then discuss the application of this technique. l.€EQEx
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