高感度・高分解能サブミリ波・遠赤外分光

Material type: 文書・図像類

Author: 齋藤, 修二ほか

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Publication date: 2001-03

Material Format: Digital

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Note (General)：: The high-sensitivity submillimeter-wave spectrometer has been extended to cover the frequency range up to 720 GHz. Above 500 GHz a combination of Gun...

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Material Type: 文書・図像類
Title: 高感度・高分解能サブミリ波・遠赤外分光
Author/Editor: 齋藤, 修二
荒木, 光典
古屋, 岳
西脇, 良典
Author Heading: 齋藤, 修二
荒木, 光典
古屋, 岳
西脇, 良典
Publication Date: 2001-03
Publication Date (W3CDTF): 2001-03
Alternative Title: High-sensitivity/high-resolution submillimeter-wave to far-infrared spectroscopy
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 2
Volume: 2
Pages: 164-168
Text Language Code: jpn
Target Audience: 一般
Note (General): The high-sensitivity submillimeter-wave spectrometer has been extended to cover the frequency range up to 720 GHz. Above 500 GHz a combination of Gunn oscillator sources and frequency multipliers is employed. A frequency synthesizer up to 26.5 GHz used to lock and scan the Gunn oscillator, to which frequency modulation or tone-burst modulation is applied via the synthesizer. The effective sensitivity in the 600 GHz region was examined using one of the isotopic species of OCS, 18O13CS in its natural abundance of about 21 ppm. The J=57-56 transition at 647.643GHz is observed with a S/N ratio of-. The sensitivity is discussed and an improvement of the sensitivity above GHz is proposed.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ