2000, Volume 2, Issue 1
Strategic Study of CAE >> 2000, Volume 2, Issue 1
Study on Diode-pumped Solid-state Laser with High Pulsed Repetition Rate
North China Research Institute of Electro-optics, Beijing 100015, China
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Abstract
The experimental results were reported on diode-pumped solid state laser with 1 kHz high pulsed repetition rate: 43 mj of single output pulse energy, lower order mode, 43% of light-light conversion efficiency. For diode end pumping, it is quite easy to obtain high efficiency and high output beam quality, the cooling configuration of laser media is simple, too. With fine design, the thermal effect induced by moderate power could be within control.
Based on rate equation analysis, the influences of various characters on output performance were discussed and the optimum experimental parameters were studied, such as the focal size of pump light. In general, the smaller focal size, the lower pumping power threshold. But the output laser power was not maximum. The optimum focal size should be determined according to the actual output laser power.
Keywords
pulsed solid-state laser ; end-pumping ; high repetition rate
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