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Wavelength stabilized high-brightness light sources

The Ferdinand-Braun-Institut develops customized wavelength-stabilized high-power diode lasers with laser emission in the spectral range between 630 nm and 1180 nm for spectroscopic applications and as pump sources for non-linear frequency conversion. The development includes monolithic dual-wavelength DBR diode lasers with optical output powers up to 200 mW providing two emission lines with a small spectral linewidth for Shifted Excitation Raman Difference Spectroscopy (SERDS). With SERDS, Raman signals can be extracted efficiently and rapidly from disturbing backgrounds such as fluorescence and ambient light, thus improving Raman spectroscopy in real-world applications. DBR tapered lasers and MOPA systems show diffraction limited output powers up to 10 W and are used for an efficient second harmonic generation of the emission into the visible spectral range and the upconversion of mid infrared radiation via sum frequency generation into the near infrared range.

Exhibitor: Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik

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