The 64th JSAP Spring Meeting, 2017

Presentation information

Oral presentation

3 Optics and Photonics » 3.6 Ultrashort-pulse and high-intensity lasers

[16p-311-1~20] 3.6 Ultrashort-pulse and high-intensity lasers

Thu. Mar 16, 2017 1:15 PM - 7:00 PM 311 (311)

Takasumi Tanabe(Keio Univ.), Kazutaka Nakamura(Tokyo Institute of Technology)

4:15 PM - 4:30 PM

[16p-311-11] Improvement of signal noise ratio in dual-comb by mode-filtering effect

〇(M2)satoru yoshida1,2, Hariki Takuya1, Akiko NIshiyama1,2,3, Kaoru Minoshima1,2 (1.The Univ. of Electro-Communications, 2.JST, ERATO MINOSHIMA Intelligent Optical Synthesizer, 3.JSPS)

Keywords: optical frequency comb, mode-filtering, dual-comb

デュアルコムは測定時間が短く、高分解能で測定可能で分子分光に用いられる。デュアルコム応用は多岐に拡大し、測定条件の目的に応じた適用性が求められる。我々は2台の位相同期した光コムを各々外部共振器によるモードフィルタリングを行い、検出器飽和の抑制による入射強度を増強し、デュアルコム高感度化の寄与が示された。今回はSN比評価を行い、モードフィルタリングによるデュアルコム高感度化の検討を行った。

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