漫谈激光通迅与光纤通迅林溪波在当今的信息社会里，通讯和人们的生活息息相关，而且已经渗透到社会的每一个部门。电话、电报、电视、广播等通讯手段都是通过电磁波传播，将声音、图像、密码等变成电信号，然后加载在电磁波上，传输到需要的目的地。电磁波通讯的缺点是保... Talk about laser communication and optical fiber communication Lin Xi Bo In today’s information society, communication and people’s lives are closely related, and has infiltrated every department in society. Telephony, telegraph, television, radio and other means of communication are transmitted through the electromagnetic wave, the sound, images, passwords, etc. into electrical signals, and then loaded on the electromagnetic waves, transmitted to the desired destination. The disadvantage of electromagnetic wave communication is ...