Development of compact femtosecond fiber laser and alignment free confocal system for multilayered optical memory

被引：0
|
作者：
Kawata, Yoshimasa [1 ,3 ]
Tsuji, Masatoshi [1 ]
Inami, Wataru [2 ,3 ]
机构：
[1] Shizuoka Univ, Dept Mech Engn, Naka Ku, Hamamatsu, Shizuoka 4328561, Japan
[2] Shizuoka Univ, Div Global Res Leaders, Joho Ku, Hamamatsu, Shizuoka 4328011, Japan
[3] Japan Sci & Technol Agcy, CREST, Tokyo 1020075, Japan
来源：
OPTICAL DATA STORAGE 2010 | 2010年 / 7730卷
关键词：
Fiber laser; optical data storage; confocal microscopy; ALL-FIBER; DATA-STORAGE; GENERATION; PULSE;
D O I：
10.1117/12.855586
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We developed a compact and high-power mode-locked fiber laser for three-dimensional optical memory. Fiber lasers have the potential to be compact and stable light sources that can replace bulk solid-state lasers. To generate high-power pulses, we used stretched-pulse mode locking. The average power and pulse width of the output pulse from the fiber laser that we developed were 109 mW and 2.1 ps, respectively. The dispersion of the output pulse was compensated with an external single-mode fiber of 2.5 m length. The pulse was compressed from 2.1 ps to 93 fs by dispersion compensation. The pulse emitted from this fiber laser has a sufficient energy to generate two-photon recording effectively, so the fiber laser we have developed is possible to use as a light source of three-dimensional optical memory. We also propose an all-fiber recording and readout system for multilayered memories.
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页数：7
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