Laser properties of pyrromethene dyes in sol–gel glasses
作者： E Yariv , R Reisfeld
DOI: 10.1016/S0925-3467(99)00010-5
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摘要: Abstract Solid-state dye lasers were made by incorporating pyrromethene dyes in organically modified silicate (ormosil) and composite glass matrices. Three different types of (PM) used: PM 567, 580 597. The ormosil samples prepared a one-step process at room temperature sol–gel technology which led to the formation hybrid organic/inorganic materials. are biphase process: (a) preparation porous silica gel, (b) impregnation dissolved methylmethacrylate (MMA) into gel. A number various compositions tested their efficiencies half output energy lifetimes measured. optimal slope efficiency for pumped transversally, frequency doubled Nd-Yag laser, approaches 42%. Fluorescence lifetimes, excitation emission spectra also In addition, significant dependency these on pH was found. These lose lasing ability acidic (pH
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