Flat Diffractive Lens
Scanning electron micrograph of a flat multilevel diffractive lens that is achromatic across the longwave infrared (LWIR) spectrum and can be used for thermal imaging.
—Apratim Majumder, University of Utah, USA
Scanning electron micrograph of a flat multilevel diffractive lens that is achromatic across the longwave infrared (LWIR) spectrum and can be used for thermal imaging.
—Apratim Majumder, University of Utah, USA