Nondestructive Sensor Using Microwaves From Laser Plasma by Subnanosecond Laser Pulses. - Hirotomo Nakajima; Yoshinori Shimada; Toshihiro Somekawa; Masayuki Fujita; Kazuo Tanaka (IEEE Geosci. Remote. Sens. Lett., 2009)

Transformer Working Condition Assessment using Laser Raman Spectroscopy. - Toshihiro Somekawa; Makoto Kasaoka; Fumio Kawachi; Yoshitomo Nagano; Masayuki Fujita; Yasukazu Izawa (PHOTOPTICS, 2014)