Perfection in Laser Dentistry LightWalker lasers are designed for dental perfectionists and all forward-thinking professionals who wish to upgrade their daily dental experience with new treatment possibilities that only the latest laser technology can offer. Following its launch in 2011, Fotonas LightWalker dental laser system quickly earned widespread industry acclaim and highly respected technology and innovation awards. LightWalkers patent-pending QSP (quantum square pulse) mode offers dentists exciting new treatment possibilities and unmatched levels of precision that have never been seen before in dentistry. Three Models to Choose From: LightWalker AT is the most advanced and highest performance LightWalker model. It comes equipped with high-performance Er:YAG and Nd:YAG lasers, a state-of-the-art OPTOflex® articulated arm, an unrivaled 20 W of power and Fotona?s patented QSP pulse technology for ultimate performance and treatment precision. LightWalker DT is an evolutionary upgrade of Fotona’s best-selling dual wavelength AT Fidelis laser system with high-performance Er:YAG and Nd:YAG lasers (fully compatible with all AT Fidelis handpieces and accessories) with the addition of Fotona’s latest user-friendly interface enhancements. LightWalker ST-E is a single-wavelength, Er:YAG only laser system, designed for dentists who already have a soft-tissue laser or who prefer to focus mainly on hard-tissue treatments.