Cited by 8Advanced Fiber Laser TechnologiesSpectroscopy and Laser ApplicationsLaser-Matter Interactions and Applications

Polarization-sensitive dual-comb spectroscopy with an electro-optic modulator for determination of anisotropic optical responses of materials

Open access
Sumihara, Kana A., Okubo, Sho, Oguchi, Kenichi, Okano, Makoto, Inaba, Hajime, Watanabe, Shinichi·2019·Optics Express

Abstract

We propose and demonstrate a polarization-sensitive dual-comb spectroscopy (DCS) technique that employs an electro-optic modulator for determining the anisotropic optical responses of materials. This straightforward extension of the typical DCS setup directly provides amplitudes and phases in two mutually orthogonal directions of the electric field of light. Using this method, we determined the optic axis direction and the anisotropy in the complex refractive index of a sample whose optical parameter is well defined. We estimate a birefringence of the sample to be 5.49(55)×10-5 at a comb tooth in the 780 nm region.

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Crossref · 10.1364/oe.27.035141

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28 of 28 references verified0 citation errors · 0 not checkable

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Authors
Sumihara, K. A., Okubo, S., Oguchi, K., Okano, M., Inaba, H., & Watanabe, S.
Affiliations
  • Keio University (JP)
  • National Metrology Institute of Japan (JP)
Venue
Optics Express
Published
2019-11-15
Volume
27
Issue
24
Pages
35141
ISSN
1094-4087 (ISSN-L)
OpenAlex
W2984341882
Cited by
8
References
28
Citations by year
2025: 1 · 2024: 1 · 2022: 2 · 2021: 3 · 2020: 1
FWCI
0.66
Type
journal article
Language
en
Open access
Locations
  • Optics Express (publishedVersion)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (JP18H02040, JP18J21480)
Topics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Advanced Fiber Laser Technologies
  • Physical Sciences › Chemistry › Spectroscopy › Spectroscopy and Laser Applications
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
Keywords
dual-comb spectroscopy, electro-optic modulator, optical anisotropy, birefringence, material characterization

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