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摘要:
A self-adaptive laser based on a diode bar side pumped Nd: YVO4 slab with opened-loop reciprocal cavity completed by dynamic holographic gratings is created. The output power, optical-to-optical efficiency, frequency spectrum and spatial characteristics of the generated beam are examined. Compared with similar structure of traditional laser oscillator, the holographic gratings are exist in the opened-loop reciprocal cavity and the obvious modulation of the transverse mode and longitudinal mode is observed. A high spatial quality beam (M2
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来源 :
Chinese Journal of Lasers
ISSN: 0258-7025
年份: 2014
期: 7
卷: 41