Using femtosecond pulse shaping techniques, nonlinear spectroscopy can be performed in an integrated approach, which implements different optical functions in respectively designed pulse shapes. A successful example is single-beam coherent anti-Stokes Raman Scattering, allowing chemically selective analytics and imaging on the sub-micrometer scale. Here, pulse shaping is used to create multi-colour pulse sequences at defined temporal delays, and also to integrate a local oscillator for interferometric detection. Furthermore, the possibility of adaptive pulse shaping allows the versatile utilization of photonic crystal fibers as a well-defined broadband light source. The complex structure of such white light source is characterized by an integrated pulse characterization technique which is based on the same pulse shaper and particularly suited for microscopic applications.
Photonic Integration Enables Single-Beam Nonlinear Spectroscopy for Microscopy and Microanalytics
01.01.2010
17 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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