Study of diode-pumped Yb:YAG disk lasers at low temperature
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摘要:
Yb:YAG[1-4],by virtue of its high quantum efficiency (>90%),long life time,no concentration quenching,no excite-state absorption,and no upconversion effect,has recently been considered as a suitable candidate for lasers with high average power and high efficiency[5-7].Due to their wide absorption band centered at 941 nm,Yb:YAG lasers are more acceptable for variation of pump laser diode (LD) wavelength.