1. Fukui University of Technology,Dep. of Electr. and Electron. Eng.,Fukui,Japan
2. UCLA,Electrical and Computer Eng.,Los Angeles,CA,USA,90095
3. Osaka Metropolitan University,Dep. of Physics and Electronics,Osaka,Japan
4. Tokushima Univ.,Industrial and Social Science Grad. Sch. of Tech.,Tokushima,Japan
5. Fukui Col.,Natl. Inst. of Tech.,Dep. of Elec. and Inf. Eng.,Fukui,Japan
6. University of Fukui,Faculty of Engineering,Fukui,Japan
7. Japan Coast Guard Academy,Chair of Liberal Arts,Kure,Japan
8. University. of Fukui,School of Education,Fukui,Japan
9. FIR-UF University of Fukui,Fukui,Japan
10. Osaka Univ.,Inst. of Laser Engineering,Osaka,Japan