A. Nishizawa, J. Fujita, M. Yamanaka, S. Okajima, S. Makino, M. Kondo, S. Nakata, S. Kon, A. Nagashima, Y. Tsunawaki
{"title":"Crystal Quartz Etalons for FIR Laser Interferometer","authors":"A. Nishizawa, J. Fujita, M. Yamanaka, S. Okajima, S. Makino, M. Kondo, S. Nakata, S. Kon, A. Nagashima, Y. Tsunawaki","doi":"10.1109/ICSWA.1981.9335100","DOIUrl":null,"url":null,"abstract":"Crystal quartz etalons are designed for the beam splitter and the window of a 118.8-μm CH3OH laser interferometer. Measured transmissivities of these etalons agree with estimated values within ± 2%. The measured refractive index and absorption coefficient derived from the transmissivity measurements for the extraordinary ray at 118.834 μm are 2.1695 ± 0.0004 and 0.50 ± 0.09 cm−1, respectively.","PeriodicalId":254777,"journal":{"name":"1981 International Conference on Submillimeter Waves and Their Applications","volume":"13 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1981-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1981 International Conference on Submillimeter Waves and Their Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICSWA.1981.9335100","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Crystal quartz etalons are designed for the beam splitter and the window of a 118.8-μm CH3OH laser interferometer. Measured transmissivities of these etalons agree with estimated values within ± 2%. The measured refractive index and absorption coefficient derived from the transmissivity measurements for the extraordinary ray at 118.834 μm are 2.1695 ± 0.0004 and 0.50 ± 0.09 cm−1, respectively.
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