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Proceedings Paper

Ultra-broadband coherent anti-Stokes Raman scattering microscopy with a dynamically power-tuned Stokes supercontinuum
Author(s): J. G. Porquez; E. R. Korfanty; A. D. Slepkov
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Paper Abstract

The capabilities of a Coherent anti-Stokes Raman scattering (CARS) microscopy technique that utilizes a commercially available microstructured-fibre for the generation of a Stokes supercontinuum, largely depend on the spectral characteristics of the fibre itself. Such fibres, however, have notoriously limited spectral powers and wavelength coverage, thus limiting the excitation efficiency of fibre-based CARS. We demonstrate that through the combination of time-gating and systematic power-tuning of the input pulse into a supercontinuum-generating fibre—a process we term “spectral surfing”—we are able to extend and bolster the excitation efficiencies of spectral-focusing CARS hypermicroscopy across the vibrational spectrum from ~300 cm-1 to >3500 cm-1.

Paper Details

Date Published: 21 February 2017
PDF: 10 pages
Proc. SPIE 10069, Multiphoton Microscopy in the Biomedical Sciences XVII, 1006915 (21 February 2017); doi: 10.1117/12.2252530
Show Author Affiliations
J. G. Porquez, Trent Univ. (Canada)
E. R. Korfanty, Trent Univ. (Canada)
A. D. Slepkov, Trent Univ. (Canada)

Published in SPIE Proceedings Vol. 10069:
Multiphoton Microscopy in the Biomedical Sciences XVII
Ammasi Periasamy; Peter T. C. So; Karsten König; Xiaoliang S. Xie, Editor(s)

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