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YAG crystal Yb ^ 3 + on the Er ^ 3 + sensitization of

Curves 3 and 4 Yb l 2 and the conditions of relative population inversion and the difference between the number of Er l 『v / one by one. ~ one by one. testis spring H N Yu Feng is also 60 cars in China Institute of Metrology Section 14 (2) from Figure 3, curve A (N. a N) / Ⅳ. in> 0.2 After negative, indicating that incorporation of Yb 5, less 60. (3) curves can be seen from Figure 3, △ (N a N) / N. in the range x = 0-0.2 change ql ~ 4,, and are greater than zero and close to 0, indicating doped Yb light excitation, Yb level nonradiative transition to the s.,.,abercrombie outlet, to the stimulated emission wavelength of 0.54 / ~ m wavelength of visible light; Yb ions on the Er . so doped Yb 64 / ~ m and 2.94 / ~ m wavelength laser concentration of law occurred. but weakened 2.94 / ~ m wavelength laser intensity, and 1.64 / ~ m wavelength of the laser intensity increased slightly. of the analysis was obtained Yb 0.54 / ~ m or 0.65/zm) and near infrared (1.64 / ~ m) dual-wavelength all-solid-laser, can play in the medical observation of lesions with red green and timely positioning of infrared light therapy effect. 【References [1] KaminskiiAA, AntipenkoBM.Multileveloperatingschemesofcrystallinelasers [J]. MNauka, (inRussian), 1989:215. [23LacovaraP, ChoiHK, WangCA, eta1.Room-tempera-turediode-pumpedYb: YAGlaser [J]. OpticsLetters, 1991,16 (14) :1089-1091. [3] ZhangXX, BassM, ChaiBHT.SpectroscopyofYb,abercrombie fitch uk, HocodopedKYFjanditsapplicationasup-conversiongreenlaser [J]. ProceedingSPIE ,1993,1863:123-125. [4] Huang Lilei, Yb, Er: YAG process of conversion of energy EJ]. SPIE, 2000,20 (9) :1277 -1282. [5] Huangli Lei, Hong governance,mac cosmetics discount, Qiu grammar, etc.. YAG crystal Cea + on the sensitizing effect of Era + [J] . Optics,fred perry italia, 1998,18 (4) :503-506. [6] Huang Lilei, new era, Chen Zhu. Er: YAG crystal in the spectral properties of Era + ions [J]. SPIE,abercrombie uk, 1998,16 (12): 1708 -1712. [7] Deloach1D, PayneSA, Chase11, eta1.EvaluationofabsorptionandemissionpropertiesofYb. dopedcrystalsforlaserapplications [J]. JQuant.Elect, 1993,29 (4): 1] 79-1] 90.

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