IR Bismuth active centers in optical fibers: Combined excitation-emission spectroscopy

Details IR Bismuth active centers in optical fibers: Combined excitation-emission spectroscopy IR Bismuth active centers in optical fibers: Combined excitation-emission spectroscopy

2011-06-15

arxiv.org/abs/1106.2969v1

Firstov S. V., Khopin V. F., Bufetov I. A., Firstova E. G., Guryanov A. N., Dianov E. M. Optics Express, 19, 19551 (2011)

Physics

Optics

12pages, 7 figures, 5 tables

Scientific paper

3D excitation-emission luminescence spectra of Bi-doped optical fibers of various compositions were measured in a wide wavelength range 450-1700 nm. Such luminescence spectra were obtained for Bi-doped pure silica and germania fibers, and for Bi-doped Al- or P-codoped silica fibers (at room and liquid nitrogen temperatures). The energy level schemes of IR bismuth active centers in pure silica and germania core fibers were derived from spectra obtained. The energy level schemes similarity of bismuth active centers in these two types of fibers was revealed.

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