{"title":"低噪声He-Ne激光器","authors":"K. Rózsa, T. Salamon","doi":"10.1016/0374-3926(70)90040-2","DOIUrl":null,"url":null,"abstract":"<div><p>The division of the laser capillary in the way described by Takeo Suzuki is a very efficient and simple method for decreasing the noise level in He-Ne gas lasers. Plasma noise of the discharge, the main source of the noise present in the output of the laser, has been investigated. The threshold of noise-free operation is given as a function of the geometry of capillary elements, He-Ne mixing ratio, total gas pressure and discharge current. Signal-to-noise ratio measured on laser tubes constructed on the basis of the results obtained is greater than 40dB.</p></div>","PeriodicalId":100989,"journal":{"name":"Optics Technology","volume":"2 3","pages":"Pages 151-153"},"PeriodicalIF":0.0000,"publicationDate":"1970-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0374-3926(70)90040-2","citationCount":"1","resultStr":"{\"title\":\"Low-noise He-Ne laser\",\"authors\":\"K. Rózsa, T. Salamon\",\"doi\":\"10.1016/0374-3926(70)90040-2\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The division of the laser capillary in the way described by Takeo Suzuki is a very efficient and simple method for decreasing the noise level in He-Ne gas lasers. Plasma noise of the discharge, the main source of the noise present in the output of the laser, has been investigated. The threshold of noise-free operation is given as a function of the geometry of capillary elements, He-Ne mixing ratio, total gas pressure and discharge current. Signal-to-noise ratio measured on laser tubes constructed on the basis of the results obtained is greater than 40dB.</p></div>\",\"PeriodicalId\":100989,\"journal\":{\"name\":\"Optics Technology\",\"volume\":\"2 3\",\"pages\":\"Pages 151-153\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1970-08-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0374-3926(70)90040-2\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Optics Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0374392670900402\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics Technology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0374392670900402","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The division of the laser capillary in the way described by Takeo Suzuki is a very efficient and simple method for decreasing the noise level in He-Ne gas lasers. Plasma noise of the discharge, the main source of the noise present in the output of the laser, has been investigated. The threshold of noise-free operation is given as a function of the geometry of capillary elements, He-Ne mixing ratio, total gas pressure and discharge current. Signal-to-noise ratio measured on laser tubes constructed on the basis of the results obtained is greater than 40dB.
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