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タイトル レーザーの発振周波数制御に向けた高安定参照共振器の開発<数学・自然科学>
別タイトル
Development of highly stable reference cavity to control laser oscillation frequency
著者
管野, 敬之 (KANNO, Takayuki)
Graduate School of Education, Saitama University
須田, 純平 (SUDA, Junpei)
Faculty of Education, Saitama University
近藤, 一史 (KONDO, Hitoshi)
Faculty of Education, Saitama University
大向, 隆三 (OHMUKAI, Ryuzo)
Faculty of Education, Saitama University
[出版社版]
出版者 埼玉大学教育学部
日付
出版年: 2015 - 2015
作成日: 2015-10-09
更新日
上位タイトル
埼玉大学紀要. 教育学部 (Journal of Saitama University. Faculty of Education). Vol.64, No.2  (2015. ) ,p.243- 250
識別番号
ISSN
18815146
抄録 We propose a novel and versatile technique to accurately control laser oscillation frequency. We also developed a highly stable reference cavity, which is essential for this purpose. We built a confocal Fabry-Perot cavity with a frequency resolution of 14.3 MHz as a reference cavity, whose mirrors have a reflectivity of 97 % for wavelengths of 400 and 780 nm. The resonant frequency of this reference cavity was stabilized by the 780 nm- laser light, whose oscillation frequency was locked to the cross-over resonance of the 85Rb atoms obtained by saturation spectroscopy. The resonant frequency of the free-running cavity drifted 23.4 MHz in 50 seconds. However, the stability of the resonant frequency was improved as a result to 3.3 MHz over a period of 15 minutes by controlling the cavity length to keep the 780 nm- laser light resonant in the cavity. This stability was enough to generate the reference signal to maintain the frequency of another laser for high resolution spectroscopy. Our method is applicable to the preparation of a light source to perform experiments on quantum information processing, future frequency standards, and so on.
キーワード
レーザー
ファブリー・ペロー共振器
安定化
共鳴周波数
laser
Fabry-Perot cavity
stabilization
resonant frequency
言語
jpn
資源タイプ text
ジャンル Departmental Bulletin Paper
著者版フラグ publisher
Index
/ Public / 埼玉大学 / 教育学部
/ Public / ジャンル別 / 研究紀要 / 埼玉大学 / 教育学部紀要
/ Public / 主題別 / 工学 / 応用物理学・工学基礎 / 応用物理学一般
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