Publications

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2007
Vasa NJ, Kawata Y, Tanaka R, Yokoyama S. Development of an electric field sensor based on second harmonicgeneration with electro-optic materials. Journal of Materials Processing Technology. 2007;185:173-177.
2005
Vasa NJ, Funakoshi K, Yokoyama S. Development of a widely tunable mid-infrared coherent optical source based on a difference frequency generation in a periodically poled LiNbO3. Engineering Sciences Reports. 2005;26:389-394.
Tan A, Koga S, Vasa NJ, Yokoyama S, Hosokawa T, Sawabe K, Yoshioka T, Soeda M. Investigation of overvoltage phenomena due to lighting surge in low voltage wiring. IEEJ Transactions of Power Engineering. 2005;125:988-992.
Naka T, Vasa NJ, Yokoyama S, Wada A, Asakawa A, Honda H, Tsutsumi K, Arinaga S. Study on lightning protection methods for wind turbine blades. IEEJ Transactions of Power Engineering. 2005;125:993-998.
2004
Vasa NJ, Kuriaki K, Yokoyama S. Optical second-harmonic generation technique for impulse electric field measurements. Japanese Journal of Applied Physics. 2004;43:1032-1033.
2003
Vasa NJ, Fujiwara M, Yokoyama S, Uchiumi M, Maeda M. Tuning of a Ti3+:sapphire laser by an electro-optic beam deflection method. Applied Optics. 2003;42:5512-5516.