Amplified spontaneous emission in large size, high gain Yb3+:YAG amplifiers: Numerical modeling and experimental test bench for foreseen kJ-range diode pumped solid state laser facilities

Author(s):  
D. Albach ◽  
J.-C. Chanteloup ◽  
G. Le Touze
Author(s):  
Yuya Oyama ◽  
Masashi Mamada ◽  
Akihiro Kondo ◽  
Chihaya Adachi

Organic laser dyes exhibiting very low amplified spontaneous emission (ASE) thresholds in green and yellow region were developed based on a stilbene structure which is often used for the blue...


2013 ◽  
Vol 38 (6) ◽  
pp. 938 ◽  
Author(s):  
Adrien Aubourg ◽  
Julien Didierjean ◽  
Nicolas Aubry ◽  
François Balembois ◽  
Patrick Georges

Author(s):  
Marco Hornung ◽  
Sebastian Keppler ◽  
Alexander Kessler ◽  
Hartmut Liebetrau ◽  
Andreas Seidel ◽  
...  

Author(s):  
Grzegorz Dudzik ◽  
Karol Krzempek ◽  
Piotr Jaworski ◽  
Paweł Kozioł ◽  
Piotr Bojęś ◽  
...  

2018 ◽  
Vol 10 (12) ◽  
pp. 168781401881536 ◽  
Author(s):  
Yong Zhou ◽  
Xiaogang Zhou

The reliable and repeatable experimental ground testing of aircraft actuator is an essential phase before flight testing. It is not an easy task to simulate the alternating aerodynamic forces on actuators reasonably and accurately in a laboratory. In this article, an experimental test bench is designed to simulate the aerodynamic forces by a hydraulic actuator, which replicates the operating conditions that the actuator will encounter in service. In order to improve the force control performance, a feed-forward compensator and a fuzzy proportional–integral–derivative controller are designed. Both simulation and experimental results show that the designed method can improve the control performance.


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