红外玻璃是很多重要军用系统的关键窗口材料之一，红外玻璃的高性能、大尺寸化制备面临重要挑战，同时红外技术和光电对抗技术的发展对红外窗口的雷达隐身性能也提出了很高的要求。阐述了新型红外玻璃的设计思想，基于此发展了一种新型的中红外光学玻璃—氟镓酸盐(FGa)玻璃，并以FGa玻璃为基质，成功研制出新型具有雷达隐身功能的中红外光功能材料。

Infrared-transparent glass is one of the key window materials for some important military applications. It′s still a great challenge to fabricate the infrared-transparent glass with high-properties and large size. With the great development of infrared technology and electro-optical countermining technique, the infrared windows with the capacity of radar latent and electro-magnetic shielding (EMS) are essentially required. In this paper, our philosophy is demonstrated to face the challenge in making infrared glass with high-properties and large size, and a new mid-infrared gallium oxyfluoride (FGa) glass is deveosped. Based on FGa glass, some new EMS techniques are developed to make the infrared-windows radar latent.