100 W-class solar pumped laser for sustainable magnesium-hydrogen energy cycle
Takashi YabeTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanBehgol BagheriTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanTomomasa OhkuboTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanShigeaki UchidaTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanKunio YoshidaTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanTakayuki FunatsuTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanT. OishiTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanKazuya DaitoTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanManabu IshiokaTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanNorihito YasunagaTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanYuji SatoTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanChoijil BaasandashTokyo Institute of Technology 1 Entropia Laser Initiative, , 2-12-1 O-okayama, Meguro, Tokyo 152-8552, JapanYoshiaki OkamotoK. YanagitaniKonoshimakagaku Co. Ltd. 3 , 80 Kouda Takuma, Mitsutoyo, Kagawa 769-1103, Japan
2008en
ABI
Аннотация
A solar pumped laser system with 7%–9% slope efficiencies has been developed. A Fresnel lens (2×2 m, f=2000 mm) is mounted on a two-axis sun tracker platform and focuses solar radiation toward laser cavity, which embraces Cr:Nd:yttrium aluminum garnet ceramic rod. The maximum emitted laser power is 80 W corresponding to maximum total area performance of 20 W/m2 for the Fresnel lens area. This solar laser system would be used as a section of power plant in a magnesium energy cycle as a cost-efficient solar energy converter. Using direct solar radiation into laser, 4.3% net conversion efficiency has been achieved.
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