Meller Optics, Inc., a provider of high quality optics for the defense market, has introduced custom fabricated UAV optics for smaller UAVs and miniature flying robots. The optics are made either from zinc selenide. or from sapphire for particularly demanding applications.
Meller’s UAV Optics feature round sapphire lenses from 0.25″ up and partial spheres as small as 0.12″ with varying focal lengths. Available with A/R coatings for the visible to 10.6 microns, these sapphire optics are second only to diamond in terms of hardness for demanding applications.
The optics are also offered in zinc selenide (ZnSe) from 0.25″ up. Developed for OEMs, they can incorporate stepped edges and other special characteristics for mounting such as slots or wedges. Flatness can be held to 1/10th wave per inch in the visible with surface finishes from 60-40 to 40-20 scratch-dig.