This invention relates to a defrosting device of optical communication system, including a glass substrate with a heating device on it and the glass substrate is float valve substrate.

• 本发明涉及一种光通信系统的除霜装置，包括一玻璃基底和一设置在所述玻璃基底上的加热装置，其中，所述玻璃基底是浮法玻璃基底。