A Beam Splitter is an optical device that splits a beam of light into two or more beams. The leading manufacturers of Beam Splitters are listed below. Narrow down on the list of companies based on their location and capabilities. Newport Thin Film Laboratory, 3. Use this beam splitters buying guide to compare major types, define selection criteria, and find suppliers: 🔬 Encyclopedia article: beam splitters 📦 Top-level product category: optical components and devices Click on a logo to get to the details of that supplier's offer. They are available as components, in our quick connect cassettes, or in custom modules and rack-mount designs.