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In-situ shifted excitation Raman difference spectroscopy: development and demonstration of a portable sensor system at 785 nm
/forschung/publikationen/in-situ-shifted-excitation-raman-difference-spectroscopy-development-and-demonstration-of-a-portable-sensor-system-at-785-nm
In-situ shifted excitation Raman difference spectroscopy (SERDS) experiments are presented using a portable sensor system. Key elements of this system are an in-house developed handheld probe with an…
Compact single-mode diode laser in the visible spectral range
/forschung/publikationen/compact-single-mode-diode-laser-in-the-visible-spectral-range
This work reports on a compact single-mode diode laser emitting at 633 nm based on an AlGaAs/AlGaInP structure with an integrated DBR surface grating. The micro-fabricated diode laser package…
Assessment of factors regulating the thermal lens profile and lateral brightness in high power diode lasers
/forschung/publikationen/assessment-of-factors-regulating-the-thermal-lens-profile-and-lateral-brightness-in-high-power-diode-lasers
The lateral beam parameter product, BPPlat, and resulting lateral brightness of GaAs-based high-power broad-area diode lasers is strongly influenced by the thermal lens profile. We present latest…
Compact diode laser module at 1116 nm with an integrated optical isolation and a PM-SMF output
/forschung/publikationen/compact-diode-laser-module-at-1116-nm-with-an-integrated-optical-isolation-and-a-pm-smf-output
In this work, a fiber-coupled diode laser module emitting around 1116 nm with an output power P < 60 mW is realized. As a laser light source a distributed Bragg reflector (DBR)…
Narrow linewidth diode laser modules for quantum optical sensor applications in the field and in space
/forschung/publikationen/narrow-linewidth-diode-laser-modules-for-quantum-optical-sensor-applications-in-the-field-and-in-space
We present the status of our efforts to develop very compact and robust diode laser modules specifically suited for quantum optics experiments in the field and in space. The paper describes why…
kW-class Diode Laser Bars
/forschung/publikationen/kw-class-diode-laser-bars
Progress will be presented on ongoing research into the development of ultra-high power and efficiency bars achieving significantly higher output power, conversion efficiency and brightness than…
Progress in joule-class diode laser bars and high brightness modules for application in long-pulse pumping of solid state amplifiers
/forschung/publikationen/progress-in-joule-class-diode-laser-bars-and-high-brightness-modules-for-application-in-long-pulse-pumping-of-solid-state-amplifiers
Progress in the development of highly brilliant pump modules based on novel high-energy-class diode laser bars is presented, targeting long-pulse (2 ms) application in pumping Yb:CaF2 amplifier…
Miniaturized laser amplifier modules for wavelengths of 1180 nm with PM-fiber input and more than 1 W optical output power
/forschung/publikationen/miniaturized-laser-amplifier-modules-for-wavelengths-of-1180-nm-with-pm-fiber-input-and-more-than-1-w-optical-output-power
In this paper a micro-integrated laser-amplifier for a wavelength of 1180nm is presented. The modules can amplify laser emission from any source, which is coupled into the polarization-maintaining…
Coherent beam combining architectures for high power tapered laser arrays
/forschung/publikationen/coherent-beam-combining-architectures-for-high-power-tapered-laser-arrays
Coherent beam combining (CBC) aims at increasing the spatial brightness of lasers. It consists in maintaining a constant phase relationship between different emitters, in order to combine them…
Non-Uniform DFB-Surface-Etched Gratings for Enhanced Performance High Power, High Brightness Broad Area Lasers
/forschung/publikationen/non-uniform-dfb-surface-etched-gratings-for-enhanced-performance-high-power-high-brightness-broad-area-lasers
Monolithic spectral stabilization is demonstrated in narrow-stripe broad-area lasers (NBA) with high power (5W), conversion efficiency (50%) and high brightness, by using optimized high-order…