Surf these sites: Deposition Research Laboratory -- Experience in the design, development and fabrication of thin film materials and sophisticated multilayer optical filters and devices. Gaertner Scientific Corporation -- Gaertner manufactures precision optical measuring instruments covering a wide range of scientific and industrial applications. Seoul Precision Optics -- Supplies optical filter coating, laser mirror, fiber optics, ito, fluoresence, antireflection, beamsplitter, gas sensor ,pyroelectric sensor applications. Spectro-Film -- Manufacturer of optical filters and coatings. Stocking of laser and laser diode filters. Hard oxide sputtered and ion-beam assisted optical filters.
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