Spectroscopy and green upconversion laser emission of Er3+-doped crystals at room temperature

@inproceedings{Danger1994SpectroscopyAG,
  title={Spectroscopy and green upconversion laser emission of Er3+-doped crystals at room temperature},
  author={T. P. Danger and Jochen Dr. Koetke and R. Brede and Eo Heumann and Guenter Huber and Bruce H. T. Chai},
  year={1994}
}
The spectroscopic parameters of Er3+‐doped crystals were determined with regard to the upconversion laser parameters of the green transition 4S3/2→4I15/2. The influence of excited‐state absorption on this laser channel was determined. Furthermore, upconversion pump mechanisms using ground‐state and excited‐state absorption around 810 and 970 nm were investigated by direct measurements of excited‐state absorption. The spectroscopic results confirm the pulsed room‐temperature laser experiments on… CONTINUE READING

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