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Narrower Far Field and Higher Efficiency in 1 kW Diode-Laser Bars Using Improved Lateral Structuring
/forschung/publikationen/narrower-far-field-and-higher-efficiency-in-1-kw-diode-laser-bars-using-improved-lateral-structuring
High power, efficient diode-laser bars with narrow far field angles are sought for many applications, for example in the 9xx nm-range for the pumping of Yb:YAG disc and slab lasers [1,2]. In previous…
Efficient Narrow Stripe Ridge Waveguide Lasers for Single-Spatial Mode Operation up to 2.5 W
/forschung/publikationen/efficient-narrow-stripe-ridge-waveguide-lasers-for-single-spatial-mode-operation-up-to-25-w
High power and efficiency enable new fields of applications for single spatial mode lasers, such as high brightness direct diode laser systems with dense wavelength multiplexing [1,2]. In previous…
Wavelength stabilized 905 nm diode lasers in the 100 W class for automotive LiDAR
/forschung/publikationen/wavelength-stabilized-905-nm-diode-lasers-in-the-100-w-class-for-automotive-lidar
Diode lasers generating optical pulses with high peak powers and pulse lengths in the nanosecond range are key components of systems for free-space communication, metrology, material processing,…
Coherent superposition of pulsed high-brightness tapered amplifiers
/forschung/publikationen/coherent-superposition-of-pulsed-high-brightness-tapered-amplifiers
Coherent beam combining (CBC) of high brightness tapered amplifiers (TPAs) is a promising approach for the development of high power semiconductor laser sources with excellent beam quality and offers…
Widely tunable Watt-level MOPA systems emitting at 976 nm
/forschung/publikationen/widely-tunable-watt-level-mopa-systems-emitting-at-976-nm
Tunable diode laser sources are key components in absorption spectroscopy, biomedical imaging and in optical telecommunication systems, to mention a few examples. The term tunable refers here to…
Determination of the Residual Amplified Spontaneous Emission in Single-Mode Semiconductor Optical Amplifiers
/forschung/publikationen/determination-of-the-residual-amplified-spontaneous-emission-in-single-mode-semiconductor-optical-amplifiers
The Master-Oscillator-Power-Amplifier (MOPA) is a laser light source best suited to provide high power, stable frequency, and narrow linewidth emission [1]. In state-of-the-art MOPA systems,…
Monolithic master oscillator with tapered power amplifier diode laser at 1060 nm with additional control section for high power operation
/forschung/publikationen/monolithic-master-oscillator-with-tapered-power-amplifier-diode-laser-at-1060-nm-with-additional-control-section-for-high-power-operation
State of the art diode laser light sources for high power operation with good beam quality are distributed Bragg reflector tapered diode lasers (DBR-TPLs). These devices deliver over 10 W of…
Efficient Tm:YAG and Tm:LuAG lasers pumped by red tapered diodes
/forschung/publikationen/efficient-tmyag-and-tmluag-lasers-pumped-by-red-tapered-diodes
Eye-safe, diode-pumped all-solid-state lasers working in the 2 µm region are favourable for many applications including remote sensing, medicine, and gas sensing. Tm-doped crystals such as…
Towards a Strontium Beam Optical Reference Based on the 1S0 → 3P1 Intercombination Line on a Sounding Rocket
/forschung/publikationen/towards-a-strontium-beam-optical-reference-based-on-the-1s0nbsprarrnbsp3p1-intercombination-line-on-a-sounding-rocket
Within the OPUS collaboration, we develop optical frequency references based on spectroscopy of the 1S0 → 3P1 intercombination line of 88Sr at 689 nm in thermal and laser-cooled…
Simulation and design of a compact GaAs based tunable dual-wavelength diode laser system
/forschung/publikationen/simulation-and-design-of-a-compact-gaas-based-tunable-dual-wavelength-diode-laser-system
We present our design of a compact, integrated and tunable dual-wavelength diode laser system emitting around 785 nm, which is of interest for several applications like Raman spectroscopy and…