Study of Solar Pumped Laser for Fossil-fuel-free Energy Cycle Using Magnesium
Takayuki FunatsuDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Takashi YabeDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Tomomasa OhkuboDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Sigeaki UCHIDADepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Kunio YoshidaDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Behgol BagheriDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550T. OishiDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Kazuya DaitoDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Manabu IshiokaDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Yuichirou NakayamaDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Norihito YasunagaDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Kouichirou KidoDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Masahiro NakatsukaDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Minoru YoshidaDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Shinji MotokoshiDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Yuji SatoDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Choijil BaasandashDepartment of Mechanical Sciences and Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku Tokyo, 152-8550Kiyoshi KatōChitose Institute of Technology, Bibi 758-65, Chitose, Hokkaido, 066-8655Takagimi YanagidaniYoshiaki Okamoto
2008en
ABI
Аннотация
A new type of solar pumped laser system that has features of high-efficiency and low cost due to the use of a Fresnel lens and a Cr codoped Nd:YAG ceramic laser medium is reported in this paper. Slope efficiencies of 7 to 9% have been achieved. The laser output of about 80 W was achieved with the combination of a 4-m2 Fresnel lens and solar light chamber as a secondary power concentrator. The maximum output from a unit area of the Fresnel lens was 20 W/m2, which is 2.8 times larger than the previous results with a mirror type concentrator.
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