超长波长红外（２～５μｍ）光纤通信（书评）光纤通信的出现是信息传输领域的一场革命，目前光纤通信已形成了新的高技术产业。光纤通信的发展目标仍然是增加中继距离和提高传输速率。为此，世界各国正研究和发展新一代的光纤通信技术。光纤通信的工作波长总是在近红外光... Ultra-long wavelength infrared (2 ~ 5μm) optical fiber communication (Book Review) The emergence of optical fiber communication is a revolution in the field of information transmission. At present, optical fiber communication has formed a new high-tech industry. The goal of optical fiber communication is still to increase the relay distance and increase the transmission rate. To this end, all countries in the world are studying and developing a new generation of optical fiber communication technology. The working wavelength of optical fiber communication is always in the near infrared light ...