Large area materials processing via unfocused beams of high-energy femtosecond lasers

Key Points

• Successful large area materials processing was achieved using high-energy femtosecond lasers, ensuring efficient heat distribution.
• Key findings show that laser beam dynamics allowed for uniform thermal effects across the material.
• Analysis of thermal effects during the materials processing highlighted the role of nonlinear optics in efficiency.
• Implications may enable innovative applications in manufacturing, but further exploration of dynamic laser parameters is required.