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    • 1. 发明授权
    • Thulium-doped germanate glass composition and device for optical amplification
    • 碲掺杂锗酸盐玻璃组合物和光学放大装置
    • US06589895B2
    • 2003-07-08
    • US09897294
    • 2001-06-29
    • Matthew J. DejnekaJean-Philippe de SandroAlexandre M. MayoletBryce N. SamsonJi Wang
    • Matthew J. DejnekaJean-Philippe de SandroAlexandre M. MayoletBryce N. SamsonJi Wang
    • C03C412
    • C03C4/12C03C3/253C03C13/048H01S3/1616H01S3/17
    • A Tm-doped germanate glass composition comprises GeO2 having a concentration of at least 20 mole percent, Tm2O3 having a concentration of about 0.001 mole percent to about 2 mole percent, and Ga2O3, having a concentration of about 2 mole percent to about 40 mole percent. The composition can further include an alkaline earth metal compound selected from the group consisting of MgO, CaO, SrO, BaO, BaF2, MgF2, CaF2, SrF2, BaCl2, MgCl2, CaCl2, SrCl2, BaBr2, MgBr2, CaBr2, SrBr2, and combinations thereof, and having a non-zero concentration of less than about 40 mole percent. The composition can further include an alkali metal compound selected from the group consisting of Li2O, Na2O, K2O, Rb2O, Cs2O, Li2F2, Na2F2, K2F2, Rb2F2, Cs2F2, Li2Cl2, Na2Cl2, K2Cl2, Rb2Cl2, Cs2Cl2, Li2Br2, Na2Br2, K2Br2, Rb2Br2, Cs2Br2 and combinations thereof, and having a non-zero concentration of less than about 20 mole percent. The emission bandwidth of the composition in the 1450 nm to 1530 nm range can be varied on the basis of one or more composition ratios. A Tm-doped germanate optical amplifier can amplify optical signals in the S-band region of the electromagnetic spectrum.
    • Tm掺杂的锗酸盐玻璃组合物包含浓度为至少20摩尔%的GeO 2,浓度为约0.001摩尔%至约2摩尔%的Tm 2 O 3和浓度为约2摩尔%至约40摩尔%的Ga 2 O 3 。 所述组合物还可以包含选自MgO,CaO,SrO,BaO,BaF 2,MgF 2,CaF 2,SrF 2,BaCl 2,MgCl 2,CaCl 2,SrCl 2,BaBr 2,MgBr 2,CaBr 2,SrBr 2和组合的碱土金属化合物 并且具有小于约40摩尔%的非零浓度。 所述组合物可以进一步包括选自Li 2 O,Na 2 O,K 2 O,Rb 2 O,Cs 2 O,Li 2 F 2,Na 2 F 2,K 2 F 2,Rb 2 F 2,Cs 2 F 2,Li 2 Cl 2,Na 2 Cl 2,K 2 Cl 2,Rb 2 Cl 2,Cs 2 Cl 2,Li 2 Br 2,Na 2 Br 2,K 2 B 2 ,Rb2Br2,Cs2Br2及其组合,并且具有小于约20摩尔%的非零浓度。 1450nm至1530nm范围内的组合物的发射带宽可以基于一种或多种组成比来改变。 Tm掺杂的锗酸盐光放大器可以放大电磁光谱的S带区域的光信号。