Bernd Eppich
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View article: Experimental and theoretical studies into longitudinal spatial hole burning as a power limit in high-power diode lasers at 975 nm
Experimental and theoretical studies into longitudinal spatial hole burning as a power limit in high-power diode lasers at 975 nm Open
Spatial-hole-burning as a limit to the continuous-wave (CW) output power of GaAs-based diode lasers is experimentally studied. For 90 μm stripe lasers with 6 mm resonator length and 0.8% front facet reflectivity, spontaneous emission (SE) …
View article: A 1.4 kW 780 nm pulsed diode laser, high duty cycle, passively side-cooled pump module
A 1.4 kW 780 nm pulsed diode laser, high duty cycle, passively side-cooled pump module Open
A diode laser module emitting 1.4 kW optical in-pulse power near 780 nm optimized for high (≥ 10%) duty-cycle operation in a micro-channel free design is presented. With full collimation, a beam quality with a nearly symmetric M 2 of 205 ×…
View article: Novel High-Power, High Repetition Rate Laser Diode Pump Modules Suitable for High-Energy Class Laser Facilities
Novel High-Power, High Repetition Rate Laser Diode Pump Modules Suitable for High-Energy Class Laser Facilities Open
The latest generation of high-energy-class pulsed laser facilities, under construction or planned, such as EuPRAXIA, require reliable pump sources with high power (many kW), brightness (>1 MW/cm2/sr) and electro-optical conversion efficien…
View article: High duty cycle, highly efficient fiber coupled 940-nm pump module for high-energy solid-state lasers
High duty cycle, highly efficient fiber coupled 940-nm pump module for high-energy solid-state lasers Open
Tailored diode laser single emitters with long (6 mm) resonators and wide (1.2 mm) emission apertures that operate with 940 nm emission wavelength were assembled in novel edge-cooled vertically stacked arrays, and used to construct a compa…