
Fotona LightWalker® AT-S

Experience the power of precision with the Fotona LightWalker® advanced dental laser system for comprehensive hard and soft tissue applications. Combining Er:YAG and Nd:YAG wavelengths, Fotona LightWalker® offers exceptional versatility — from conservative cavity preparations and periodontal therapy to high-performance cosmetic and surgical procedures. Its optimized pulse control, intuitive interface, and minimally invasive approach empower clinicians to enhance patient outcomes, improve efficiency, and expand clinical capabilities.
What Sets It Apart

Complementary Wavelengths
Designed to work synergistically, offering optimal treatment options for both hard and soft tissues. The Er:YAG laser is ideal for precise hard and soft tissue ablation, while the Nd:YAG penetrates deeper, perfect for applications like periodontal treatment.
Digital Pulse Technologies
Fotona® offers cutting-edge digital pulse technologies — VSP, ASP, and QSP™ — that enhance laser precision and efficiency. VSP technology delivers consistent, square-shaped pulses, minimizing heat buildup and ensuring patient safety. ASP builds on VSP by adapting pulse durations for optimal tissue interaction, boosting treatment effectiveness. Meanwhile, QSP™ improves hard-tissue ablation, ensuring sharper cuts and smoother finishes for better clinical outcomes. Together, these innovations set a new standard in dental laser performance, enabling faster, more precise procedures with minimal thermal impact.
Solid Crystal Lasers
Fotona LightWalker® “gold standard” laser wavelengths are produced by solid crystal lasers that can significantly outperform diode lasers in terms of peak power and range of pulse durations. Up to 1,000× higher peak power compared to diode lasers and engineered pulse shapes provide superior disinfection and the impressive benefits of photobiomodulation.
Inside the Technology

Energy Feedback Control
Fotona LightWalker® incorporates a sophisticated double channel safety structure for energy regulation, which contributes to procedure safety. The laser output energy is constantly regulated by a signal from two energy meters.
Intuitive Touchscreen Display
Designed for ease of use, the high-resolution touchscreen offers an intuitive interface with seamless navigation. Pre-set treatment parameters, real-time monitoring, and responsive controls ensure precision, efficiency, and a streamlined workflow for every procedure.
Advanced Handpiece Technology
Equipped with a range of smart handpieces, the system offers versatility across multiple applications. Each handpiece is designed for specific treatments, enabling practitioners to customize procedures for optimal patient outcomes. The handpieces facilitate a variety of laser modalities, enhancing the system’s adaptability and performance.
OPTOflex® Articulated Arm
The OPTOflex® articulated arm ensures efficient, distortion-free laser beam delivery to the treatment site. Its lightweight, compact design enhances maneuverability, allowing for precise targeting during procedures. The arm’s foldable structure reduces system height for convenient storage and adaptability in various clinical settings.
ELEVATE YOUR PRACTICE
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Long System Lifetime
Engineered for durability, Fotona® systems are built to deliver reliable performance and a long operational lifespan.
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Ultra-Homogeneous Beam Profile
Minimizes risk of burns, tissue damage, or uneven results, ensuring superior safety.
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Smart Handpieces for Every Procedure
Full-beam and fractional modes allow for highly customizable treatment options.
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Proven by Science
Backed by over 60+ years of research, Fotona® energy-based systems are trusted by clinicians around the world.

Transformative results

Fotona SWEEPS®
The canals and sub-canals were left clean. The dentinal tubules were free of a smear layer. Courtesy of: Giovanni Olivi, MD, DDS, Technology Er:YAG (2940nm)
Cavity Preparation
The post-procedure photo showcases a clean surface with no smear layer and fully open dentinal tubuli. Courtesy of: Dr. Zafer Kazak, Technology Er:YAG (2940nm)
Gingivoplasty
The gum tissue appears more contoured and healthier, resulting in improved aesthetics and oral hygiene. Courtesy of: Boris Gašpirc, DDS, Ph.D., Technology Er:YAG (2940nm)Backed by Science. Proven in Practice.
Clinical Comparison of Two Laser Wavelengths in the Treatment of Periodontal Disease
Kaminer R. International Magazine of Laser Dentistry, Special Edition. 1/2011.Lasers in Endodontics
Gutknecht N. Journal of the Laser and Health Academy, Vol. 2008; No.4/2.A Novel Quantum Square Pulse (QSP) Mode Erbium Dental Laser
Norbert Gutknecht, Matjaz Lukac, Marko Marincek, Tadej Perhavec, Marko Kazic J LA&HA – J Laser Health Acad 2011; 2011(1):15-21QSP Mode Characteristics of 3rd Generation ASP Powered Er:YAG Dental Lasers
Nejc Lukac, Matjaz Lukac, Matija Jezersek J LA&HA – J Laser Health Acad 2016; 2016(1):1-5
Additional Resources
Visit the Laser & Health Academy® website for more information and additional clinical research and scientific studies.
Explore LA&HA®
Accessories & Handpieces (8)

H02-N Handpiece
Tipless (non-contact), 90°-angled Er:YAG handpiece, 0.9 mm spot size at the focal point, with integrated air/water spray nozzle. Designed for Fotona LightWalker® AT-S.
H14-N Handpiece
Dental, fiber-optic tip, 90° degree Er:YAG handpiece with integrated air/water spray nozzle, designed for the Fotona LightWalker® AT-S. Compatible with a wide range of application-specific fiber tips.
H14-NS Handpiece
Dental, fiber-optic tip, straight Er:YAG handpiece with integrated air/water spray nozzle. Compatible with a wide range of application-specific fiber tips. Surgical Er: YAG handpiece.
R15 Handpiece
Dermatological, straight handpiece, with collimated beam at 3 mm spot size, designed for the Fotona LightWalker® AT-S.
R16 Handpiece
Dermatological, straight handpiece with collimated beam at 7 mm spot size, designed for the Fotona LightWalker® AT-S.
PS04 Handpiece
The PS04 is a tipless (non-contact) Er: YAG handpiece for the Fotona LightWalker® AT-S system. The PS04 generates a pixel structure within the laser spot. The fluence in each pixel can be set by selecting the fluence value on the host laser system.
R30-A Handpiece
The R30-A Nd:YAG aesthetics and dermatological handpiece has a variable spotsize from 2 to 8 mm.
R21-C3 Handpiece
Dental, contact 300 µm fiber-optic handpiece. Uses reusable stainless steel or plastic disposable tips.Treatments to elevate your practice
Fotona SWEEPS®
A Revolutionary and Highly Effective Solution for Modern EndodonticsFotona NightLase®
A Non-Surgical Treatment for Better Quality SleepFotona TwinLight® Periodontal Treatment
A Breakthrough in Periodontal Disease TherapyFotona LipLase®
Natural Lip Enhancement TreatmentFotona SmoothLase®
Intra-Oral, Anti-Aging Facial TreatmentCavity Preparation
Gentle Laser Technology for Precise Caries RemovalAphthous Ulcers
Healing Mouth Ulcers With Gentle Laser EnergyFotona LightWalker® AT-S
treatments (23)
Discover the Fotona® Difference
Thanks to decades of innovation and our ongoing pursuit of excellence, our products have become the gold standard within the laser medicine field.
Training & Workshops
Dive Deeper into Ways You Can Deliver for Your Clients
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Dental Facial Aesthetics Training Course: June 26-27, 2025
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