Overview About the Author Acknowledgments Introduction 1 Transmission of Light by Solids 2 Chalcogenide Glasses s3 Glass Production 4 Characterization of Glass Properties 5 Conventional Lens Fabrication and Spherical Surfaces 6 Unconventional Lens Fabrication, Aspheric Surfaces, and Kinos 7 Glass Processes for Other Applications 8 IR Imaging Bundles Made from Chalcogenide Glass Fibers 9 AMI Infrared Crystalline Materials 10 Early Work at Texas Instruments