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Efficient infrared quantum counter and excited-state absorption cross-section measurements in europium-doped calcium fluoride

机译:掺euro氟化钙中的高效红外量子计数器和激发态吸收截面测量

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Upconversion signals in the wavelength region 407-550 mn were emitted from CaF2:Eu3+ under 578.7 (or 589.2-) nm dye-laser excitation. The intensities of the upconversion signals were enhanced 25 x under double-resonance excitation by a 589.2-nm dye laser and a 703.6-nm Ti:sapphire laser, Excited-state absorption cross sections were estimated for some of the transitions. (C) 2001 Optical Society of America. [References: 23]
机译:在578.7(或589.2-)nm染料激光激发下,CaF2:Eu3 +发出了波长范围为407-550 mn的上转换信号。在589.2 nm染料激光器和703.6 nm Ti:蓝宝石激光器的双共振激发下,上转换信号的强度提高了25倍,估计了某些跃迁的激发态吸收截面。 (C)2001年美国眼镜学会。 [参考:23]

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