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Spatial Imaging Identification in a Fiber-Bundle Confocal Fluorescence Microspectrometer

Volume 52, Number 8 (Aug. 1998) Page 1111-1114

Li, Yao Qun; Sasaki, Shin-Ya; Inoue, Takanori; Harata, Akira; Ogawa, Teiichiro


We have developed a CCD-based fiber-bundle confocal fluorescence microspectrometer exhibiting a spectrum of individual fiber spots on the CCD. The development led to a new technique, spatial imaging identification, and revealed the sources of various signals based on the spatial distribution of a signal in the spectral images. The new technique allows for easy alignment of the optics and discrimination of various interference lights. The potential application to surface analysis is also emphasized.