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Fabrication and microstructural characterizations of lasing grade Nd:Y 2 O 3 ceramics
Author(s) -
Yin Danlei,
Wang Jun,
Liu Peng,
Zhu Haiyong,
Yao Bingqing,
Dong Zhili,
Tang Dingyuan
Publication year - 2019
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.16671
Subject(s) - materials science , ceramic , transparent ceramics , hot isostatic pressing , microstructure , fabrication , sintering , slope efficiency , transmittance , homogeneity (statistics) , lasing threshold , laser , composite material , mineralogy , metallurgy , optics , optoelectronics , wavelength , fiber laser , medicine , alternative medicine , statistics , mathematics , pathology , physics , chemistry
Transparent 0.6 at% Nd:Y 2 O 3 ceramics were fabricated by vacuum sintering at 1550°C and hot isostatic pressing (HIP) at 1540°C. The ceramics sintered at such temperatures had good homogeneity with dense microstructures, without any residual pores and secondary phases. The in‐line transmittance reached 81.6% at 1000 nm and remained 81.1% at 650 nm. Continuous wave (CW) laser operation of an uncoated ceramic slab was evaluated. A maximum output power of 3.6 W with slope efficiency of 45.2% at 1.08 μm was obtained.

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