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This paper reported the crystal growth and spectroscopy characters of Cr3+:Li2Mg2(MoO4)3.The refractive index of Cr3+:Li2Mg2(MoO4)3 crystal is 1.87 and the hardness is 270 HV.This crystal shows broadband absorption property with peak wavelength at about 495 and 699 nm.The absorption crosssection is 14.75 × 10-20 cm2 at 495 nm and 9.63 × 10-20 cm2 at 699 nm,respectively.The crystal field strength and energy levels of Cr3+ ion were calculated based on the spectroscopic data.The Cr3+:Li2Mg2(MoO4)3 crystal shows broadband emission extending from750 to 1300 nm even excited at 10 K.The room temperature emission cross section is 72×10-20 cm2 at 926 nm.A discussion of the relation between the spectroscopic properties and crystal field parameters of Cr3+:Li2Mg2(MoO4)3 crystal was presented based on the solid state spectroscopy theory.
This paper reports the crystal growth and spectroscopy characters of Cr3 +: Li2Mg2 (MoO4) 3. The refractive index of Cr3 +: Li2Mg2 (MoO4) 3 crystal is 1.87 and the hardness is 270 HV. This crystal shows broadband absorption properties with peak wavelength at about 495 and 699 nm. The absorption cross section was 14.75 x 10-20 cm2 at 495 nm and 9.63 x 10-20 cm2 at 699 nm, respectively. The crystal field strength and energy levels of Cr3 + ion were calculated based on the spectroscopic data. Cr3 +: Li2Mg2 (MoO4) 3 crystal shows broadband emission extending from 750 to 1300 nm even excited at 10 K. The room temperature emission cross section is 72 × 10-20 cm2 at 926 nm. A discussion of the relation between the spectroscopic properties and crystal Field parameters of Cr3 +: Li2Mg2 (MoO4) 3 crystal was presented based on the solid state spectroscopy theory.