Abstract
A dual-wavelength master oscillator (MO) power amplifier (PA) diode-laser system emitting at 785 nm suitable for shifted excitation Raman difference spectroscopy is presented. The laser system consists of a distributed Bragg reflector V-branch diode laser as a dual-wavelength MO and a ridge waveguide PA. The system reaches an optical output power of more than 750 mW at 25 °C. Optical spectra show wavelength stabilized single mode emission at 784.60 and 785.22 nm over the whole power range with a spectral width ≤10 pm (≤0.5 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> ) and a spectral distance of 0.62 nm (≤10.1 cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-1</sup> ).
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