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Ultrafast broadband Fourier-transform CARS spectroscopy operating at 50,000 spectra/second
Author(s): Miu Tamamitsu; Yusuke Sakaki; Tasuku Nakamura; G. Krishna Podagatlapalli; Takuro Ideguchi; Keisuke Goda
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Paper Abstract

We present a coherent Raman scattering (CRS) spectroscopy technique achieving a CRS spectral acquisition rate of 50,000 spectra/second over a Raman spectral region of 200 - 1430 cm-1 with a resolution of 4.2 cm-1. This ultrafast, broadband and high-resolution CRS spectroscopic performance is realized by a polygonal Fourier-domain delay line serving as an ultra-rapid optical-path-length scanner in a broadband Fourier-transform coherent anti-Stokes Raman scattering (CARS) spectroscopy platform. We present a theoretical description of the technique and demonstrate continuous, ultrafast, broadband, and high-resolution CARS spectroscopy on a liquid toluene sample using our proof-of-concept setup.

Paper Details

Date Published: 22 February 2017
PDF: 6 pages
Proc. SPIE 10076, High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management II, 1007608 (22 February 2017); doi: 10.1117/12.2249726
Show Author Affiliations
Miu Tamamitsu, The Univ. of Tokyo (Japan)
Yusuke Sakaki, The Univ. of Tokyo (Japan)
Tasuku Nakamura, The Univ. of Tokyo (Japan)
G. Krishna Podagatlapalli, The Univ. of Tokyo (Japan)
Takuro Ideguchi, The Univ. of Tokyo (Japan)
Keisuke Goda, The Univ. of Tokyo (Japan)
Univ. of California, Los Angeles (United States)
Japan Science and Technology Agency (Japan)


Published in SPIE Proceedings Vol. 10076:
High-Speed Biomedical Imaging and Spectroscopy: Toward Big Data Instrumentation and Management II
Kevin K. Tsia; Keisuke Goda, Editor(s)

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