Custom fabricated sapphire lenses and windows that provide front surface protection for AUVs used in demanding commercial and military environments has been introduced by Meller Optics, Inc. of Providence, RI. Meller Sapphire Optics for Drones feature Mohs 9 hardness and withstand fast moving dirt, sand, chemicals, heat to 1,000o C, and 10,000 psi pressure for […]