Single-beam coherent Raman spectroscopy and microscopy via spectral notch shaping

Ori Katz*, Jonathan M. Levitt, Eran Grinvald, Yaron Silberberg

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

We present a simple and easily implementable scheme for multiplexed Coherent Anti-Stokes Raman Scattering (CARS) spectroscopy and microscopy using a single femtosecond pulse, shaped with a narrow spectral notch. We show that a tunable spectral notch, shaped by a resonant photonic crystal slab, can serve as a narrowband, optimally time-delayed probe, resolving a broad vibrational spectrum with high spectral resolution in a single-shot measurement. Our single-source, single-beam scheme allows the simple transformation of any multiphoton microscope with adequate bandwidth into a nearly alignment-free CARS microscope.

Original languageAmerican English
Pages (from-to)22693-22701
Number of pages9
JournalOptics Express
Volume18
Issue number22
DOIs
StatePublished - 25 Oct 2010
Externally publishedYes

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