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Optical characterization of ultraviolet laser photosensitive Er3+-doped bismuth-silicate glasses

Qian Qi Wang Yan Zhang Qin-Yuan Yang Zhong-Min Yang Gang-Feng Jiang Zhong-Hong

Optical characterization of ultraviolet laser photosensitive Er3+-doped bismuth-silicate glasses

Qian Qi, Wang Yan, Zhang Qin-Yuan, Yang Zhong-Min, Yang Gang-Feng, Jiang Zhong-Hong
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  • Received Date:  12 July 2006
  • Accepted Date:  13 September 2006
  • Published Online:  20 May 2007

Optical characterization of ultraviolet laser photosensitive Er3+-doped bismuth-silicate glasses

  • 1. 特种功能材料及其制备新技术教育部重点实验室,华南理工大学光通信材料研究所,广州 510640

Abstract: This paper reports on the spectroscopic properties of ultraviolet laser photosensitive Er3+-doped bismuth-silicate glasses. Two series of the glasses Na2O-Bi2O3-SiO2-Er2O3 and Na2O-B2O3-Bi2O3-SiO2-Er2O3 have been prepared by conventional melting and quenching technique. The absorption spectra, emission spectra and lifetime of Er3+ ion have been measured. The optical parameters have been analysed by Judd-Ofelt theory. It is found that the full width at half maximums (FWHMs) increase with increase of the value of Bi2O3/SiO2 and B2O3 content. Meanwhile, the lifetimes of 4I13/2 level of Er3+-doped glasses decrease with increasing Bi2O3 and B2O3 content. When the content of B2O3 is 40%, the measured stimulatied emission cross section, lifetime and FWHM of 4I13/2→4I15/2 transition of Er3+-doped Na2O-B2O3-Bi2O3-SiO2 glass are 8.49×10-21cm2, 0.52ms and 78nm respectively.

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