Raicol Crystals Ltd. - Rosh HaAyin, IsraelSpecializes in producing high-performance nonlinear optical crystals and electro-optical components for the photonics market. Product lines include nonlinear crystals such as RTP, HGTR, KTP, LBO, BBO, and CLBO. Also offers electro-optic components like RTP and BBO Pockels cells, as well as quasi-phase matching devices such as PPKTP, PPSLT, and PPLN.
Universal Photonics Inc. - Central Islip, NYLapping and polishing consumables and machinery for glass, plastic, crystals, IR, semiconductor, electro, laser, and fiber optics. Microcellular foam elastomer pads, compounds, ultrapure alumina, colloidal silica, diamond powder/slurries; water-based, nanosize, alpha-alumina; optical blocking, synthetic pitch, double-sided polishers, and centrifuges.