Rainbow Structural Color Marking on Stainless Steel | Red Housing IR Picosecond Laser Demo

Watch this stunning rainbow color marking on stainless steel using our Red Housing IR Picosecond Laser.
This is structural color — NO ink, NO paint, NO coating.
The shifting rainbow effect is formed by nano-scale surface microstructure created by ultra-short picosecond laser pulses.
✅ Product Features
• Cold processing, no thermal damage or workpiece deformation
• Iridescent color changes with viewing angle
• Excellent wear resistance, long service life
• Supports black marking & rainbow color engraving
• Great for medical components, 3C precision metal parts
We offer free sample laser marking tests.
Send your samples to us for custom marking solutions.
👉 Contact us for details.
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