HUANG Zhi Ming JI Hua Mei CHEN Min Hui SHI Guo Liang CHEN Shi Wei CHEN Liang YaoDepartment of Physics Fudan University. Shanghai, China Received, revised CHU Jun Hao. STUDY ON THE REFRACTIVE INDEX OF GaAs BULK MATERIAL BY INFRARED SPECTROSCOPIC ELLIPSOMETRY[J]. Journal of Infrared and Millimeter Waves,1999,18(1):23~25