The 80th JSAP Autumn Meeting 2019

Presentation information

Oral presentation

3 Optics and Photonics » 3.8 Optical measurement, instrumentation, and sensor

[21a-E205-1~12] 3.8 Optical measurement, instrumentation, and sensor

Sat. Sep 21, 2019 9:00 AM - 12:15 PM E205 (E205)

Minoru Tanabe(AIST), Takeo Minamikawa(Tokushima Univ.)

11:00 AM - 11:15 AM

[21a-E205-8] Improvement of dual-comb solid-state spectroscopy for complex tensor evaluation

Takuto Adachi1,2, Akifumi Asahara1,2, Yusuke Odagiri1,2,3, Masayuki Shirakawa4, Chikako Ishibashi2,3, Satoshi Hatano2,3, Eiji Tokunaga4, Kaoru Minoshima1,2 (1.Univ. of Electro-Communications, 2.JST, ERATO MINOSHIMA Intelligent Optical Synthesizer, 3.Neoark Corp., 4.Tokyo Univ. of Science)

Keywords:Optical frequency comb, Dual-comb spectroscopy

我々は精密分光や応用計測などにおいて有用な手法であるデュアルコム分光法を固体物性評価に適用し、その有用性を示してきた。本研究では固体試料の光学特性測定系に偏光情報の詳細測定を導入し、旋光性や円二色性を示す材料の複素テンソルの評価が可能となる分光法の実現を目指した。本手法を用いることにより複素テンソルに関して、広帯域なスペクトル情報を一度に、かつ高速に測定可能であることが期待できる。

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