Chemically selective imaging by spectral phase shaping for broadband CARS around 3000 cm−1

Rhijn van, A.C.W. and Postma, S. and Korterik, J.P. and Herek, J.L. and Offerhaus, H.L. (2009) Chemically selective imaging by spectral phase shaping for broadband CARS around 3000 cm−1. Journal of the Optical Society of America B: Optical Physics, 26 (3). pp. 559-563. ISSN 0740-3224

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Abstract:	Chemically selective microscopy based on broadband coherent anti-Stokes Raman scattering (CARS) is demonstrated on a mixed sample of 4 μm diameter polystyrene (PS) and poly (methyl methacrylate) (PMMA) beads. The CARS signal from the PS or the PMMA beads is enhanced or suppressed, depending on the phase profile applied to the broadband spectrum. Using a combination of negative and positive (sloped) π-phase steps the purely nonresonant background signal is removed.
Item Type:	Article
Copyright:	© 2009 Optical Society of America
Faculty:	Science and Technology (TNW)
Research Group:	Optical Sciences (OS)
Link to this item:	http://purl.utwente.nl/publications/72653
Official URL:	http://dx.doi.org/10.1364/JOSAB.26.000559
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