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5 March 2021 Ultra-compact widely tunable dual-wavelength fiber-based sources for CARS and SRS imaging
Armin Hoffmann, Florian Just, Christian Gaida, Sven Breitkopf, Tino Eidam, Jens Limpert
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Proceedings Volume 11655, Label-free Biomedical Imaging and Sensing (LBIS) 2021; 1165516 (2021) https://doi.org/10.1117/12.2578298
Event: SPIE BiOS, 2021, Online Only
Abstract
Fiber-based laser sources for Coherent Anti-Stokes Raman scattering (CARS) microscopy and Stimulated Raman Spectroscopy (SRS) have been successfully used for label-free bio-imaging in the last few years. However, these systems were limited so far to a few experimental setups in university labs. We present the first extremely compact commercially available dual-wavelength source for CARS and SRS. With a foot-print of <30cm x 50cm this alignment-free turn-key system offers tuning over the highly relevant frequency range from <500cm^-1 up to 5000cm^-1 within a few seconds without any detrimental thermal effects. The spectral width of the signals is <10cm^-1 enabling a multitude of applications.
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Armin Hoffmann, Florian Just, Christian Gaida, Sven Breitkopf, Tino Eidam, and Jens Limpert "Ultra-compact widely tunable dual-wavelength fiber-based sources for CARS and SRS imaging", Proc. SPIE 11655, Label-free Biomedical Imaging and Sensing (LBIS) 2021, 1165516 (5 March 2021); https://doi.org/10.1117/12.2578298
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KEYWORDS
CARS tomography
Laser sources
Microscopy
Fiber lasers
Four wave mixing
Photonic crystal fibers
Prototyping
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