掺杂罗丹明6G染料的氟磷酸盐玻璃的制备工艺优化及其激光性质

FABRICATION TECHNOLOGY AND LASER OSCILLATION OF LEAD-TIN FLUOROPHOSPHATE GLASS DOPED WITH RHODAMINE 6G DYE

系统地研究了Sn -Pb -P -O -F系统氟磷酸盐光学玻璃的制备工艺过程 ,对玻璃原料、坩埚选择、保护气氛、熔制过程的温度制度和时间制度等关键工艺进行了优化研究 .确定了在优化的工艺下 ,具有较佳化学稳定性能和光学透过性能的、适合于罗丹明 6G染料进行掺杂的基质玻璃 :2 0SnO -50SnF2 -3 0P2 O5-5PbO .探明了在该低熔玻璃中进行染料掺杂的工艺方法与合适的温度条件 .表征了这种掺杂玻璃的光学与发光性质 .首次成功地在Nd :YAG激光器的二次谐波 ( 53 2nm)泵浦下获得了波长覆盖范围宽达 60 .2nm、中心波长为 582 .8nm的激光输出 .

The fabrication technological processes of lead-tin fluorophosphate optical glass were studied systematically, and the optimum results of several key techniques, including raw material selection, crucibles adoption and determination of atmosphere gases, temperature and time conditions for the melting process are presented in this paper. Using the optimum technique, the influence of glass systems and composition on the glass transition temperature, chemical durability and optical transmittance was also investigated. The optimized base glass for doping rhodamine 6G dye was determined to be 20SnO-50SnF 2-30P 2O 5-5PbO. A two_crucible method for doping the dye homogeneously in this low_melting glass without any thermal decomposition was used and the technological condition was optimized. The optical and luminescent properties of this dye contained complex glass were analyzed. The successful solid_state dye laser oscillation of rhodamine 6G with this complex glass pumped by a frequency doubled Nd:YAG laser at 532 nm was achieved for the first time. The output laser wavelength centered at 582.8 nm ranges from 554 nm up to 614.2 nm.