University of Electro-Communications 2 articles published in JoVE Engineering Near-Infrared Temperature Measurement Technique for Water Surrounding an Induction-heated Small Magnetic Sphere Naoto Kakuta1, Keisuke Nishijima1, Van Cuong Han1, Yuki Arakawa1, Katsuya Kondo2, Yukio Yamada3 1Department of Mechanical Engineering, Tokyo Metropolitan University, 2Department of Electrical and Electronic Engineering, Tottori University, 3Brain Science Inspired Life Support Research Center, The University of Electro-Communications A technique utilizing wavelengths of 1150 and 1412 nm to measure the temperature of water surrounding an induction-heated small magnetic sphere is presented. Engineering Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation Kali Prasanna Nayak1, Jameesh Keloth1, Kohzo Hakuta1 1Center for Photonic Innovations, University of Electro-Communications We present a protocol for fabricating 1-D photonic crystal cavities on subwavelength diameter silica fibers (optical nanofibers) using femtosecond laser-induced ablation.