Alignment and maintenance free all-fiber laser source for CARS microscopy based on frequency conversion by four-wave-mixing

Martin Baumgartl; Mario Chemnitz; Cesar Jauregui; Tobias Meyer; Benjamin Dietzek; Jürgen Popp; Jens Limpert; Andreas Tünnermann

doi:10.1117/12.908170

30 January 2012 Alignment and maintenance free all-fiber laser source for CARS microscopy based on frequency conversion by four-wave-mixing

Martin Baumgartl, Mario Chemnitz, Cesar Jauregui, Tobias Meyer, Benjamin Dietzek, Jürgen Popp, Jens Limpert, Andreas Tünnermann

Author Affiliations +

Proceedings Volume 8247, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XII; 82470F (2012) https://doi.org/10.1117/12.908170
Event: SPIE LASE, 2012, San Francisco, California, United States

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.

Citation Download Citation

Martin Baumgartl, Mario Chemnitz, Cesar Jauregui, Tobias Meyer, Benjamin Dietzek, Jürgen Popp, Jens Limpert, and Andreas Tünnermann "Alignment and maintenance free all-fiber laser source for CARS microscopy based on frequency conversion by four-wave-mixing", Proc. SPIE 8247, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XII, 82470F (30 January 2012); https://doi.org/10.1117/12.908170

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