报道了罗丹明B掺杂PMMA材料制作过程及材料吸收和荧光光谱实验.吸收光谱表明,PMMA样品从紫外到近红外范围存在较小的吸收.罗丹明B/PMMA样品吸收光谱主要反映罗丹明B的吸收特征,其吸收峰中心波长位于550nm.荧光光谱显示,以630nm激发,反斯托克斯荧光峰位于595nm,能量差为0.11eV.该材料辐射反斯托克斯荧光,可用于激光制冷领域的研究.
参考文献
| [1] | Epstein R I;Buchwald M I;Edwards B C et al.Observation of laser - induced fluorescent cooling of a solid[J].NATURE,1995,337:500-502. |
| [2] | Clark J L;Rumbles G .Laser coding in the condensed phase by frequency up-conversion[J].Physical Review Letters,1996,76:2037-2040. |
| [3] | Mungan CE;Buchwald MI;Edwards BC;Epstein RI;Gosnell TR .Laser cooling of a solid by 16 K starting from room temperature[J].Physical review letters,1997(6):1030-1033. |
| [4] | Edwards B C;Anderson J E;Epstein R I et al.Demonstration of a solid -state optical cooler:An approach to cryogenic refrigeration[J].Journal of Applied Physics,1999,86:6489-6493. |
| [5] | Edwards B C;Epstein R I;Gosnell T R.The Low Alamos Solid - State Optical Refrigerator (LASSOR) Program[A].,1996 |
| [6] | Hoyt CW.;Epstein RI.;Edwards BC.;Anderson JE.;Sheik-Bahae M. .Observation of anti-Stokes fluorescence cooling in thulium-doped glass[J].Physical review letters,2000(17):3600-3603. |
| [7] | R. I. Epstein;J. J. Brown;B. C. Edwards;A. Gibbs .Measurements of optical refrigeration in ytterbium-doped crystals[J].Journal of Applied Physics,2001(9):4815-4819. |
| [8] | Bloor D;Cross G;Sherma P K .Frequency up - Conversion in Fluid and Solid Solutions of the Oxazine Dye, Rhodamine B[J].Journal of the Chemical Society,Faraday Transactions,1993,89:4013-4015. |
| [9] | Chang S;Elliott S S;Gustafson T K et al.Observation of anti -stokes fluorescence in organic dye solution[J].IEEE Journal of Oceanic Engineering,1972,8:527-528. |
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