Milton Green, Cheshire, England - Laser Physics UK has introduced a range of polymer, glass, and acrylic laser safety viewing windows that meet EN 207 standards for Nd:YAG, CO2, potassium titanyl phosphate (KTP), argon, excimer, and other lasers and laser combinations. The windows provide protective laser housings, workstation ports, or viewing windows on optical tables and are available in a range of standard sizes, with custom sizes available upon request.