LIU Ai-Yun, XUE Jian-Qiang, HOU Yun, GE Yu-Jian, HUANG Zhi-Ming, CHU Jun-Hao. OPTICAL CHARACTERISTICS OF PMNT THIN FILMS IN VISIBLE AND MID-INFRARED REGIONS[J]. Journal of Infrared and Millimeter Waves,2007,26(6):405~408