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Heidelberg 2015 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 61: Ultrashort Laser Pulses II

Q 61.4: Vortrag

Donnerstag, 26. März 2015, 15:15–15:30, K/HS2

Highly compact, low noise, all-solid-state laser system for stimulated Raman scattering microscopy — •Tobias Steinle1, Vikas Kumar2, Andy Steinmann1, Marco Marangoni2, Giulio Cerullo2, and Harald Giessen114th Physics Institute and Research Center SCOPE, University of Stuttgart, Germany — 2IFN-CNR, Dipartimento di Fisica, Politecnico di Milano, Italy

We present a highly stable and compact laser source for stimulated Raman scattering (SRS) microscopy. cw seeding of an Yb oscillator pumped OPA with a tunable external-cavity diode laser allows to cover the whole H-stretching vibrational region. In contrast to many other state of the art SRS sources, a single-channel silicon detector is employed. Despite the rather high noise level of the OPA, excellent signal-to-noise ratio is obtained by exploiting the performance of the solid-state Yb oscillator. Since very few optical components are required and a single-pass scheme can be used, the system is simple to set up, operate and maintain. As a further benefit, the simplicity comes along with low cost and robustness.

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DPG-Physik > DPG-Verhandlungen > 2015 > Heidelberg