Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.873674
Title: High contrast coherent anti-Stokes Raman scattering microscopy using tightly focused cylindrical vector beams
Authors: Lin, J.
Lu, F. 
Zheng, W. 
Huang, Z. 
Keywords: Annular aperture
Coherent anti-stokes raman scattering microscopy
Finite-difference time-domain
Radially polarized
Signal to background ratio
Issue Date: 2011
Source: Lin, J., Lu, F., Zheng, W., Huang, Z. (2011). High contrast coherent anti-Stokes Raman scattering microscopy using tightly focused cylindrical vector beams. Progress in Biomedical Optics and Imaging - Proceedings of SPIE 7903 : -. ScholarBank@NUS Repository. https://doi.org/10.1117/12.873674
Abstract: We report on a unique annular aperture detection scheme in radially and linearly polarized coherent anti-Stokes Raman scattering (RP- and LP-CARS) microscopy to effectively remove the solvent background for high contrast vibrational imaging. Our finite-difference time-domain (FDTD) calculations show that the far-field CARS radiation from the scatterer with size comparable to the excitation wavelength is stronger than that from the solvent at large cone angles (from 45° to the maximum collection angle of the objective). The annular detection provides about one to two orders higher contrast for forward detected RP- and LP-CARS microscopy. © 2011 SPIE.
Source Title: Progress in Biomedical Optics and Imaging - Proceedings of SPIE
URI: http://scholarbank.nus.edu.sg/handle/10635/74868
ISBN: 9780819484406
ISSN: 16057422
DOI: 10.1117/12.873674
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