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Webinar On-Demand:

Laser Safety in Additive Manufacturing

Understanding the risks and hazards associated with lasers used in AM technology

As additive manufacturing (AM) technology evolves, driven primarily by the increasing adoption in industrial production applications, lasers continue to be one of the most effective energy sources used. With the ability to transfer a large amount of energy to a micro-scale focal region and instantly cure materials, lasers are present in a number of AM technologies including vat polymerization, powder systems, and directed energy deposition. In a push to achieve greater production efficiencies, equipment OEMs are rolling out a range of multi-laser systems.

While these efficiencies are driving the overall advancement and adoption of the technology, there are risks and hazards associated with lasers and certification measures that should be taken to meet the necessary product safety standards. In the 4th installment of UL’s Optical Radiation Webinar Series, UL takes a closer look at laser safety in AM.


  • Common laser usage in AM technologies
  • Overview of the product safety requirements from the relevant laser product safety standards
  • Key laser safety considerations for AM technologies
  • Proper training and personal protection equipment (PPE) for lasers during operation and maintenance
  • What to look out for and questions to ask your equipment manufacturer


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Your Speakers:

Paul Bates

Lead Development Engineer, Additive Manufacturing

Paul Bates is an industry-recognized AM veteran. Bates joined UL in 2014 after serving 20+ years at Reebok where he guided the global athletic footwear leader’s Additive Manufacturing Lab and 3D CAD Team as the Director of Advanced Process Engineering. A 2012 recipient of the Additive Manufacturing User Group (AMUG) “Dinosaur” Award, Bates is fluent in numerous AM processes, including DMLS, SLS, FDM, and PolyJet. Paul is a member of SME for the past 16 years.  He is the current President of the Additive Manufacturing Users Group (AMUG). He has a BS degree in Design Technology from Bowling Green State University, Bowling Green OH and a Master’s Degree in Technology Management from the University of Phoenix.

Winn Henderson

Senior Staff Engineers, Consumer Technology

Winn Henderson received his B.S. in Electrical Engineering in 1997 from North Carolina State University in Raleigh, North Carolina. He has worked at UL for the past 21 years in the field of Optical Radiation product safety (laser/LED/lamp radiation) and is based in Research Triangle Park, NC.

In this role, Mr. Henderson is heavily involved in the laser product safety requirements contained in FDA/CDRH 21CFR, the IEC 60825 series of Standards, IEC 62471, RP-27, and others. Mr. Henderson is UL’s Subject Matter Expert and serves in the Primary Designated Engineer role at UL for Optical Radiation Safety. He evaluates laser products to the laser safety Standards, develops global UL guidelines on addressing laser product safety, and sets up Optical Radiation Laboratories globally within UL.

He is also an active member of the International Electrotechnical Commission (IEC) Technical Committee (TC) 76 for “Optical Radiation safety and laser equipment”, as well as the IECEE CTL Expert Task Force (ETF) 11 for Lasers. On ETF11, Mr. Henderson also serves as a Technical Advisor for the Proficiency Testing Program.