EFFECTS OF Ce3+ ON PROPERTIES OF THE ～1.6μm WAVELENGTH LASER FROM THE Er3+ DOPED YAG CRYSTAL | Zendy

Huang Li-lei | Zendy

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EFFECTS OF Ce3+ ON PROPERTIES OF THE ～1.6μm WAVELENGTH LASER FROM THE Er3+ DOPED YAG CRYSTAL

Author(s) -

Huang Li-lei

Publication year - 1999

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.48.65

Subject(s) - materials science , ion , laser , crystal (programming language) , wavelength , slope efficiency , doping , absorption (acoustics) , atomic physics , optics , analytical chemistry (journal) , optoelectronics , fiber laser , chemistry , physics , organic chemistry , chromatography , computer science , composite material , programming language

The absorption cross-section of Ce3+ ions in the Ce3+,Er3+∶YAG crystal has been measured.The laser threshold energy (or power) and laser slope efficiency are calculated using a formula deduced from rate equations on the transitions of energy levels.It is shown that the effect of Ce3+ ions in Ce3+,Er3+∶YAG on properties of the laser at 1.6μm wavelength depends upon the active ion concentration and the length of the crystal rod.The effect of Ce3+ ion is to reduce the laser threshold energy and increase the slope efficiency,when the crystal rod is shorter or the concentration of Er3+ ion is lower.But when the crystal rod is longer or the concentration of Er3+ ion is higher,the effect of Ce3+ ions is on the contrary.

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