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For over a decade development of high-energy diode pumped solid state lasers (DPSSLs) has focused on scaling energy and increasing pulse repetition rate to unlock their potential for practical applications. These include new sources for industrial materials processing applications and as pump sources for higher repetition rate PW-class amplifiers, which can themselves generate high-brightness secondary...
We report the generation of 108 J pulses of duration 10 ns at 1 Hz with a conversion efficiency of 21% confirming the energy scalability of DiPOLE, a DPSSL based on cryogenically-cooled Yb:YAG amplifier technology.
This paper examines reasons given by proponents for circumcision of minors, which include clinical indications, prophylaxis, religion, and culture. It examines the legal authority by which the professional or lay operator performs surgery on a person with that person’s consent. The paper focuses on the capacity of a parent to give valid consent for surgery performed on children, in the context of...
Dependability of a computing system is the ability to deliver service(s) that can confidently be trusted. The term embraces three parts: the attributes of, the means of attaining and threats to dependability. Owing to the severity of failure of such systems, their development is normally carefully controlled by a raft of standards and hurdles standing between the original concept and an operational...
We describe a 100 mJ three component ytterbium based laser system operating at 1030 nm. Capabilities of both temporal pulse shaping and efficient active/passive spatial shaping for amplification in a 100 J system are incorporated.
Over the last few decades the cost reductions and performance increase of diode laser technology has advanced to the point that it has now become a very attractive and generic means of driving laser systems. Diode pumped technology has found widespread uptake in the industrial sector — multi kW CW powers are routine and a wide variety of low energy pulsed systems have been reported — many are commercially...
The next generation of ultra-intense laser facilities, currently being developed in European projects such as HiPER [1] and ELI [2], require the development of a laser amplifier technology capable of producing kJ-level pulses with nanosecond duration. These will need to operate at multi-Hz repetition rate and high wall-plug efficiency, which is only possible using diode-pumped solid-state laser (DPSSL)...
Laser-matter interaction experiments at extremely high intensities are building blocks for the development of advanced technologies such as particle acceleration, intense X-ray generation and inertial confinement fusion (ICF). These ultra-high intensity experiments require the development of kJ-class laser systems operating at multi-Hz repetition rate with high wall-plug efficiency, which is only...
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