{"title":"类地行星探测器的光学设计","authors":"M. Noecker, G. Kopp, J. Leitch, B. McComas","doi":"10.1109/AERO.1999.792079","DOIUrl":null,"url":null,"abstract":"We describe the features of the optical system for the Terrestrial Planet Finder, a space-based, cryogenic (35 K) interferometer for direct detection of Earth-type planets around nearby stars. Interferometric nulling suppresses stellar glare by a factor of several thousand or more, and phase chopping distinguishes planet light from the symmetric background. The mid-infrared (7-20 /spl mu/m) is favorable for detecting planetary emission relative to that from the star, and this spectral region also offers important molecular signatures indicative of key atmospheric gases.","PeriodicalId":154722,"journal":{"name":"1999 IEEE Aerospace Conference. Proceedings (Cat. No.99TH8403)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1999-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Optical design for Terrestrial Planet Finder\",\"authors\":\"M. Noecker, G. Kopp, J. Leitch, B. McComas\",\"doi\":\"10.1109/AERO.1999.792079\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We describe the features of the optical system for the Terrestrial Planet Finder, a space-based, cryogenic (35 K) interferometer for direct detection of Earth-type planets around nearby stars. Interferometric nulling suppresses stellar glare by a factor of several thousand or more, and phase chopping distinguishes planet light from the symmetric background. The mid-infrared (7-20 /spl mu/m) is favorable for detecting planetary emission relative to that from the star, and this spectral region also offers important molecular signatures indicative of key atmospheric gases.\",\"PeriodicalId\":154722,\"journal\":{\"name\":\"1999 IEEE Aerospace Conference. Proceedings (Cat. No.99TH8403)\",\"volume\":\"11 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-10-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"1999 IEEE Aerospace Conference. Proceedings (Cat. No.99TH8403)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/AERO.1999.792079\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"1999 IEEE Aerospace Conference. Proceedings (Cat. No.99TH8403)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/AERO.1999.792079","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
We describe the features of the optical system for the Terrestrial Planet Finder, a space-based, cryogenic (35 K) interferometer for direct detection of Earth-type planets around nearby stars. Interferometric nulling suppresses stellar glare by a factor of several thousand or more, and phase chopping distinguishes planet light from the symmetric background. The mid-infrared (7-20 /spl mu/m) is favorable for detecting planetary emission relative to that from the star, and this spectral region also offers important molecular signatures indicative of key atmospheric gases.
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