周波数安定化レーザーの発展とその応用

  • 武者 満
    電気通信大学 レーザー新世代研究センター

書誌事項

タイトル別名
  • Progress of Highly Frequency-Stabilized Lasers and Their Applications
  • 40th Anniversary 周波数安定化レーザーの発展とその応用
  • 40th Anniversary シュウハスウ アンテイカ レーザー ノ ハッテン ト ソノ オウヨウ

この論文をさがす

抄録

Since the invention of the laser in 1960s, the stability of the laser frequency has been improved which is stabilized in reference to the molecular absorption or the resonance of the Fabry-Perot cavity, and frequency-stabilized lasers have been used for precision spectroscopy or precise interferometric measurement. In 1990s, the optical frequency standards have been proposed using cooled atoms or a single ion confi ned in small area, and among them, the optical lattice clock is one of the most promising candidates for the next-generation international optical frequency standards whose frequency stability is rapidly improved to reach 10‒18 level that is higher than that of the cesium atomic fountain clock. The key technology for further improvement of the optical lattice clock is a probe laser with extremely narrow linewidth that is limited by the thermal noise of the Fabry-Perot cavity. The cryogenic cavity, the silicon single-crystal cavity or crystalline coating decrease the thermal noise limited level to reach the laser linewidth of a few mHz level. The highly frequency-stabilized lasers can be easily transfer its stability to another frequency by using optical frequency comb, and disseminate its stability by using precision optical fi ber links. The frequency stability of the 10‒18 level of the laser makes it possible to verify fundamental physics such as time variations of fundamental constant or isotropy of the speed of light, and also to apply to the geodesy or gravitational wave detection.

収録刊行物

  • レーザー研究

    レーザー研究 42 (1), 5-, 2014

    一般社団法人 レーザー学会

参考文献 (36)*注記

もっと見る

詳細情報 詳細情報について

問題の指摘

ページトップへ