Wireless Technology: Gigahertz to Terahertz
暫譯: 無線技術：從吉赫到太赫茲

本書涵蓋了在GHz到THz頻率範圍內，用於無線技術的電磁頻譜中的主動元件、電路和系統，包括天線。

Subal Kar is a former Professor and Head of the Institute of Radio Physics and Electronics, University of Calcutta, India. His field of specialization is microwave and terahertz (THz) engineering, metamaterials, and high-energy physics. He has three patents to his credit and has published research papers in peer-reviewed international journals. He was visiting scientists at various universities and institutes in the United States, Europe, and Asia, including Lawrence Berkeley National Laboratory, USA, Oxford University, UK, Cockcroft Institute, and Kyoto University, Japan. He is the recipient of the Young Scientist Award of URSI and IEEE MTT, and the Fulbright Award from the US Government.

Subal Kar 是印度加爾各答大學無線物理與電子學研究所的前教授及所長。他的專業領域包括微波與太赫茲（THz）工程、超材料以及高能物理。他擁有三項專利，並在同行評審的國際期刊上發表了研究論文。他曾在美國、歐洲和亞洲的多所大學和研究機構擔任訪問科學家，包括美國的勞倫斯伯克利國家實驗室、英國的牛津大學、英國的科克羅夫特研究所以及日本的京都大學。他是URSI和IEEE MTT的青年科學家獎以及美國政府的富布賴特獎的獲得者。