| Diode Laser | Approximately 445–455 nm | 5–20 W optical output for common desktop systems | Wood, plywood, cardboard, paper, leather, cork, some dark acrylic, and coated metal | Approximately 3,000–15,000 mm/min, depending on power, material, and image settings | Approximately 0.08–0.15 mm; suitable for detailed graphics and small text | Thin wood, paper, cardboard, leather, and dark acrylic; cutting thickness varies substantially by material and number of passes | Low-cost prototyping, signage, crafts, personalization, and light production | Usually cannot mark bare transparent or light-colored materials effectively; slower on thick stock; limited metal processing | Required; use an enclosure, exhaust system, and appropriate filtration when indoors |
| CO2 Laser | Approximately 10.6 µm | 40–150 W for many small and mid-size machines | Acrylic, wood, plywood, MDF, leather, rubber, fabric, paper, glass, stone, and coated materials | Approximately 10,000–30,000 mm/min for engraving on many machines | Approximately 0.10–0.20 mm; good detail with strong material versatility | Strong choice for non-metallic sheet materials; practical thickness depends on optical power, material, and lens configuration | Signs, acrylic products, packaging, wood components, awards, and general fabrication | Not normally suitable for direct bare-metal engraving; requires mirrors, alignment, cooling, and regular maintenance | Required; combustion fumes and material-specific gases must be extracted safely |
| Fiber Laser | Approximately 1,064 nm | 20–60 W for common marking systems; higher power is used for deeper marking and cutting | Stainless steel, aluminum, brass, copper, titanium, tool steel, and some engineering plastics | Approximately 3,000–12,000 mm/s for marking systems; actual speed depends on frequency, hatch spacing, and required contrast | Approximately 0.02–0.08 mm; excellent for fine metal text, codes, and logos | Primarily for marking and engraving; higher-power systems can cut thin metal, but cutting is a separate performance category | Industrial traceability, serial numbers, QR codes, metal tools, jewelry, and anodized aluminum | Limited performance on wood, clear acrylic, glass, and many non-metallic materials; higher purchase cost | Required; use an enclosure and fume extraction, especially when processing coated or plated metals |
| UV Laser | Approximately 355 nm | 3–15 W for many precision marking systems | Plastics, glass, coated metals, ceramics, films, electronics materials, and heat-sensitive products | Approximately 1,000–6,000 mm/s, depending on marking quality and material | Approximately 0.01–0.04 mm; excellent for fine, low-heat marking | Primarily a precision marking solution rather than a general-purpose cutting machine | Electronics, medical components, packaging films, glass products, and high-contrast micro-marking | Higher equipment and maintenance cost; lower throughput for large-area engraving than many CO2 or fiber systems | Required; use a fully enclosed system with suitable extraction and UV radiation protection |