著者
Hiramatsu Kotaro Kano Hideaki Nagata Takashi
出版者
Optical Society of America
雑誌
Optics Express (ISSN:10944087)
巻号頁・発行日
vol.21, no.11, pp.13515-13521, 2013-05
被引用文献数
19 1

We demonstrate a method to measure Raman optical activity (ROA) by using coherent anti-Stokes Raman scattering (CARS) spectral interferometry. An extremely weak chirality-induced CARS field is amplified through the interference with a strong CARS field generated from an external reference and is extracted by the Fourier transformation. In this interferometric coherent Raman optical activity (iCROA), both the sign and the magnitude of optical active non-resonant background susceptibility can be directly determined. Measurement of a CARS-ROA spectrum with less artifact is obtained because a broad offset artifact due to optical rotatory dispersion is clearly distinguished in iCROA.

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