Why choose Rainbow Research Optics, Inc. of Denver? Rainbow Research Optics is a company built to serve you. Rainbow Research Optics has Custom Abilities, Optics and Coatings. We have unique Custom Products either machined or fabricated optics and have opto-mechanical assembly service; As well as optical coating design. We are ITAR, Government Regulated, ISO 9001:2008 Registered. Rainbow Research Optics, Inc. carries many different optics from lenses to Polarizers to Beamsplitters to Laser Mirrors. Call 303-371-3000 or visit www.rainbowoptics.com for more information or to request a quote.