Optical Spectroscopy and Frequency Upconversion Properties of Er3+ Doped Lead Germanate Glass
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Lead germanate glass of good optical quality was synthesized by fusion of components and subsequently casting in air atmosphere. The absorption spectrum from near-infrared to visible was obtained and the Judd-Offelt parameters were determined from the absorption bands. Emission cross section at 1.53 μm and the excited state lifetime were determined from the measurements. Pumping with 976 nm beam from a LD pump resulted in the emissions centered at 547 and 659 nm due to the 4S3/2→4I15/2 and 4F9/2→4I15/2 transitions in Er3+ ions, respectively. Theoretical and experimental lifetimes were determined and the results were discussed.
- 公益社団法人 日本セラミックス協会の論文
公益社団法人 日本セラミックス協会 | 論文
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