采用熔融淬冷法制备掺Pr^3＋（0.1%,0.3%,0.5%,0.7%）（按物质的量计算百分数,下同）的0.64GeS2-0.16Ga2S3-0.2KCl硫卤玻璃.测试玻璃的光学吸......