1. Department of Adaptive Machine Systems; Graduate School of Engineering; Osaka University; 8-1 Mihogaoka Ibaraki Osaka 567-0047 Japan
2. Infrared Detector Center; Kunming Institute of Physics; 31 Jiaochangdong Road Kunming 650223 China
3. Institute of Scientific and Industrial Research; Osaka University; 8-1 Mihogaoka Ibaraki Osaka 567-0047 Japan
4. Faculty of Science; Kunming University of Science and Technology; 68 Yieryi Street, Wenchang Road Kunming 650093 China