Spectral phase shaping for high resolution CARS spectroscopy around 3000 cm-1

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By spectral phase shaping of both the pump and probe pulses in coherent anti-Stokes Raman scattering (CARS) spectroscopy we demonstrate the extraction of the frequencies of vibrational lines using an unamplified oscillator. Furthermore we demonstrate chemically selective broadband CARS microscopy on a mixed sample of 4 μm diameter polystyrene (PS) and poly(methyl methacrylate) (PMMA) beads. The CARS signal from either the PS or the PMMA beads is shown to be enhanced or suppressed, depending on the phase profile applied to the broadband spectrum. Using a combination of negative and positive (sloped) π-phase steps in the pump and probe spectrum the purely non-resonant background signal is removed
Original languageEnglish
Title of host publicationMultiphoton Microscopy in the Biomedical Sciences IX
Subtitle of host publication25–27 January 2009, San Jose, California, United States
EditorsAmmasi Periasamy, Peter T.C. So
Place of PublicationBellingham, WA
ISBN (Print)9780819474292
Publication statusPublished - 2009
EventSPIE BIOS 2009 - San Jose, United States
Duration: 24 Jan 200929 Jan 2009

Publication series

NameProceedings of SPIE
ISSN (Print)1605-7422


ConferenceSPIE BIOS 2009
Country/TerritoryUnited States
CitySan Jose


  • METIS-259553
  • Non-linear microscopy
  • Ultrafast spectroscopy
  • Coherent anti-Stokes Raman scattering
  • IR-77975


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