Rainbow Research Optics offers a wide variety of standard coatings and optical filters. Most of our products are available either coated or uncoated, and if coated, we can provide either standard or custom coating designs. Our coating equipment includes resistance heated and electron beam evaporation sources, making possible the use of ranges from the ultra-violet to the far infra-red wavelengths of light.   Visit our website today at www.rainbowoptics.com