Amorphous Materials Amorphous Materials Inc. Your Source for IR Materials HOME · CONTACT · HELP welcome Welcome to the Amorphous Materials Site! Amorphous Materials was founded in 1977 to serve as a source of IR materials or (IR glass) to be used as optical materials for night vision (FLIR) systems. The word "amorphous" is used to indicate the non-crystalline nature of the IR glass. AMTIR is the acronym for amorphous material transmitting IR radiation. Amorphous Materials,Inc. (AMI) has developed the technology and built the facility capable of compounding and casting 1