Custom coatings are available at Rainbow Research Optics. Narrow-band & broad-band AR coatings, full & partial reflectors, filters, beam splitter coatings are all available. Rainbow Research Optics’ coating equipment includes resistance heated and electron beam evaporation sources. Call Rainbow Research Optics for all your optics needs and receive a free quote at 303-371-3000. Or for more information visit online at www.rainbowoptics.com today.