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Proceedings Article

Up-converion in bismuth doped fibers

[+] Author Affiliations
Yanqing Qiu, Jianfeng Wang, Yongxing Jin

China Jiliang Univ. (China)

Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76581T (October 22, 2010); doi:10.1117/12.865169
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From Conference Volume 7658

  • 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology
  • Ya-Dong Jiang; Bernard Kippelen; Junsheng Yu
  • Dalian, China | April 26, 2010

abstract

We investigated the up-conversion fluorescence characteristics of the bismuth doped silica fibers with and without Al codopant (BA fiber and BI fiber). Unusual up-conversion fluorescence was discovered in both of these two fibers when excited by pump lasers. After more experiments, it was found that the BI fiber showed more complicated and distinct upconversion spectrum than the BA fiber, but with different and weaker NIR emission as we reported before. And it was implied that the up-conversion fluorescence should be mainly responsible for the Bi2+ ions which was rich in BI fiber. Thus, by properly improve the Al co-doping concentration could alleviate the fluorescence up-conversion thus improve the efficiency of the NIR band fluorescence. Besides, the complicated up-conversion fluorescence bands may helpful to clarify the energy levels of the Bi ions in silica materials.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Yanqing Qiu ; Jianfeng Wang and Yongxing Jin
"Up-converion in bismuth doped fibers", Proc. SPIE 7658, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronic Materials and Devices for Detector, Imager, Display, and Energy Conversion Technology, 76581T (October 22, 2010); doi:10.1117/12.865169; http://dx.doi.org/10.1117/12.865169


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