Diode-Laser-Pumped Glass-Clad Ti:Sapphire Crystal-Fiber-Based Broadband Light Source

被引:17
作者
Hsu, Kuang-Yu [1 ]
Jheng, Dong-Yo [1 ]
Liao, Yi-Han [1 ]
Ho, Tuan-Shu [1 ]
Lai, Chien-Chih [1 ]
Huang, Sheng-Lung [1 ,2 ]
机构
[1] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 106, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan
关键词
Broadband light sources; luminescent devices; optical coherence tomography; optical fiber devices; OPTICAL COHERENCE TOMOGRAPHY; FLUORESCENCE; ABSORPTION; AMPLIFIER; TI-AL2O3; GROWTH; RUBY;
D O I
10.1109/LPT.2012.2189202
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Glass-clad Ti:Al2O3 crystal fibers were grown using the codrawing laser-heated pedestal growth method. Both single-clad and double-clad structures were attempted. Using a 446-nm laser diode as the pump, 2.45 mW of collimated broadband emission was generated with a 3-dB bandwidth of 180 nm. As much as 7.7 mW of output power with a 3-dB bandwidth of 182 nm was generated using a 532-nm solid-state pump laser. The broadband light source is advantageous to use in optical coherence tomography with an axial resolution of 1.5 mu m in air and a low image pixel crosstalk.
引用
收藏
页码:854 / 856
页数:3
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