期刊
OPTICS EXPRESS
卷 22, 期 12, 页码 14896-14903出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.22.014896
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- HEL-JTO through ARO [W911NF-12-1-0536]
- HEL-JTO through AFOSR [FA9550-10-1-0543]
0.5% Holmium (Ho) doped YAG single crystal fiber (SCF) was fabricated using Laser Heated Pedestal Growth (LHPG) method and characterized for its optical absorption and emission properties involving transitions between the I-5(8) and I-5(7) energy levels. The results verified the absorption peaks suitable for in-band direct pumping at 1908 nm and 1932 nm with the emission occurring between 2050 and 2150 nm. Small signal gain measurements were also performed for demonstrating the fiber like characteristics of the SCF. (C) 2014 Optical Society of America
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