Growth and Stimulated Emission Spectroscopy 英文文献资料.pdf

A. A. KAMINSKIIet al. : Stimulated Emission Spectroscopy of Ca,Ga,Ge,0p,-hd3+ 723 phys. stat. sol. (a) 78, 723 (1983) Subject classification: 20.2 and 20.3; 20.1 ;22.8.2 A. V .Shubnikov Institute of Crystallography, Academy of Science8 of the USSR, Moscow1) ( a ) and Physical Department, M . V .Lomonosov State Uniaersity, Moacow (6) Growth and Stimulated Emission Spectroscopy of CasGazGesOl2-Nd3+Garnet Crystals BY A. A. KAMINSKII(a), B. V. MILL (b), and A . V. BUTASHIN (b) Physical-chemical conditions of synthesis are found and a set of Ca,Oa,Ge,O,, single crystals with the concentration of Nd3+ions from 0.05till 16 atyo for the experiments on the stimulated emission generation is grown by the Czochralski technique using platinum crucibles. The formation of macrodefects as a function of crystal growth conditions is investigated. On the base of detailed concentration and temperature investigations of the luminescence and stimulated emission in the 4F3/2-Illp and 4F3/2 -4T13/2 channels the formation of activator centres of Nds+ in Ca,Ga,Ge,O,, is analyzed. The way to improve the generation parameters of Nd3+ions by coactivat- ing C P sensitizer ions into Ca,C*a,Ge,O,, is discussed. The possibility to excite stimulated emission also for the chromium ions in the red region of the spectrum is noted. The perspective of using multi- cation garnets with heterovalent isomorphism to produce disorder laser garnet crystals doped with Nd ions is pointed out. HafineHhI (PH3HKO-XMMH4eCHEle yCJIOBIIfl a MeTOAOM IOXpaJIbCHOrO 113 n.llaTLIHOBbIX THrJrea BbIpaWeHa CepHR MOHOHpHCTaJIaOB Ca,Ga,Ge,O,, C HOHUeHTpaLWiefi IlOHOB Nd3+ OT 0.05 A 0 16 a t yo ZJIR