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kW-class Diode Laser Bars
/en/research/publications/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
/en/research/publications/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
/en/research/publications/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
/en/research/publications/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
/en/research/publications/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…
3.5 W of diffraction-limited green light at 515 nm from SHG of a single-frequency tapered diode laser
/en/research/publications/35-w-of-diffraction-limited-green-light-at-515-nm-from-shg-of-a-single-frequency-tapered-diode-laser
Multi-Watt efficient compact green laser sources are required for a number of applications e.g. within biophotonics, laser pumping and laser displays. We present generation of 3.5 W of…
Picosecond pulsed micro-module emitting near 560 nm using a frequency doubled gain-switched DBR ridge waveguide semiconductor laser
/en/research/publications/picosecond-pulsed-micro-module-emitting-near-560-nm-using-a-frequency-doubled-gain-switched-dbr-ridge-waveguide-semiconductor-laser
A miniaturized picosecond pulsed semiconductor laser source in the spectral range around 560nm is realized by integrating a frequency doubled distributed Bragg reflector ridge waveguide laser…
633 nm single-mode laser-diode module with PM fiber output
/en/research/publications/633-nm-single-mode-laser-diode-module-with-pm-fiber-output
Several holographic and interferometric applications would benefit significantly from a diode laser based coherent light source near 633 nm. For this purpose a laser diode based on an…
AlGaN-based metal-semiconductor-metal photodetectors with high external quantum effciency at low operating voltage
/en/research/publications/algan-based-metal-semiconductor-metal-photodetectors-with-high-external-quantum-effciency-at-low-operating-voltage
Solar blind Al0.5Ga0.5N/AlN metal-semiconductor-metal photodetectors (MSM PDs) are characterized by means of photocurrent spectroscopy. In order to enhance the external quantum efficiency (EQE) at…
Analysis of waveguide architectures of InGaN/GaN diode lasers by nearfield optical microscopy
/en/research/publications/analysis-of-waveguide-architectures-of-ingangan-diode-lasers-by-nearfield-optical-microscopy
Waveguide (WG) architectures of 420-nm emitting InAlGaN/GaN diode lasers are analyzed by photoluminescence (PL) and photocurrent (PC) spectroscopy using a nearfield scanning optical microscope (NSOM)…