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Proceedings Paper

Alignment and maintenance free all-fiber laser source for CARS microscopy based on frequency conversion by four-wave-mixing
Author(s): Martin Baumgartl; Mario Chemnitz; Cesar Jauregui; Tobias Meyer; Benjamin Dietzek; Jürgen Popp; Jens Limpert; Andreas Tünnermann
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Paper Abstract

In this contribution we report on a novel approach for pump and stokes pulse generation in extremely compact all-fiber systems using parametric frequency conversion (four-wave-mixing) in photonic-crystal fibers. Representing a completely alignment-free approach, the all-fiber ytterbium-based short-pulse laser system provides intrinsically synchronized tunable two-color picosecond pulses emitted from a single fiber end. The system was designed to address important CH-stretch vibrational resonances. Strong CARS signals are generated and proved by spectroscopic experiments, tuning the laser over the resonance of toluene at 3050cm-1. Furthermore the whole laser setup with a footprint of only 30x30cm2 is mounted on a home-built laser-scanning-microscope and CARS imaging capabilities are verified. The compact turn-key system represents a significant advance for CARS microscopy to enter real-world, in particular bio-medical, applications.

Paper Details

Date Published: 30 January 2012
PDF: 7 pages
Proc. SPIE 8247, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XII, 82470F (30 January 2012); doi: 10.1117/12.908170
Show Author Affiliations
Martin Baumgartl, Friedrich-Schiller-Univ. Jena (Germany)
Helmholtz Institute Jena (Germany)
Mario Chemnitz, Friedrich-Schiller-Univ. Jena (Germany)
Cesar Jauregui, Friedrich-Schiller-Univ. Jena (Germany)
Tobias Meyer, Friedrich-Schiller-Univ. Jena (Germany)
Institut für Photonische Technologien e.V. (Germany)
Benjamin Dietzek, Friedrich-Schiller-Univ. Jena (Germany)
Institut für Photonische Technologien e.V. (Germany)
Jürgen Popp, Friedrich-Schiller-Univ. Jena (Germany)
Institut für Photonische Technologien e.V. (Germany)
Jens Limpert, Friedrich-Schiller-Univ. Jena (Germany)
Helmholtz Institute Jena (Germany)
Andreas Tünnermann, Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Helmholtz Institute Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)


Published in SPIE Proceedings Vol. 8247:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XII
Alexander Heisterkamp; Michel Meunier; Stefan Nolte, Editor(s)

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