{"title":"光学余弦定律","authors":"T. Smith","doi":"10.1088/1475-4878/24/1/305","DOIUrl":null,"url":null,"abstract":"The law of refraction, the sine law relating to coma, and other exact laws of optical instruments are particular cases of a very general law which assumes the form of a cosine relation. As an example of the application of the law the principles which should govern the construction of a variable power telescope yielding aplanatic correction at all magnifications are investigated.","PeriodicalId":405858,"journal":{"name":"Transactions of The Optical Society","volume":"117 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1922-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"The optical cosine law\",\"authors\":\"T. Smith\",\"doi\":\"10.1088/1475-4878/24/1/305\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The law of refraction, the sine law relating to coma, and other exact laws of optical instruments are particular cases of a very general law which assumes the form of a cosine relation. As an example of the application of the law the principles which should govern the construction of a variable power telescope yielding aplanatic correction at all magnifications are investigated.\",\"PeriodicalId\":405858,\"journal\":{\"name\":\"Transactions of The Optical Society\",\"volume\":\"117 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1922-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Transactions of The Optical Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1088/1475-4878/24/1/305\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Transactions of The Optical Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1088/1475-4878/24/1/305","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The law of refraction, the sine law relating to coma, and other exact laws of optical instruments are particular cases of a very general law which assumes the form of a cosine relation. As an example of the application of the law the principles which should govern the construction of a variable power telescope yielding aplanatic correction at all magnifications are investigated.
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