| Nanosecond Fiber Laser Cleaning Machine | 1,064 nm infrared | Approximately 2–400 ns, depending on the laser source and operating mode | Commonly available from about 20 W to 3,000 W average power | Steel, stainless steel, aluminum, copper, cast iron, and many coated metals; rust, oxide, paint, oil, grease, and welding residue | Mold maintenance, metal fabrication, weld preparation, paint removal, rust removal, and industrial surface treatment | Broadest industrial use Good productivity Cost-effective
Higher heat input than ultrashort-pulse systems requires careful parameter control on thin or heat-sensitive substrates |
| Q-Switched Pulsed Laser Cleaning Machine | Usually 1,064 nm; frequency-doubled or tripled options are also available | Typically about 5–100 ns | Often configured from approximately 20 W to 500 W average power | Metals, stone, ceramics, and selected painted surfaces; rust, oxide layers, dirt, and thin coatings | General restoration, tooling, light industrial cleaning, laboratory work, and precision maintenance | High peak power Compact systems Good for selective ablation
Usually slower than high-power continuous-wave or high-average-power nanosecond systems for large areas |
| Short-Wavelength UV Pulsed Laser Cleaning Machine | Commonly 355 nm ultraviolet; some systems use 266 nm | Typically nanoseconds; picosecond versions are also used | Commonly lower average power, often around 5–100 W for precision cleaning | Electronics, polymers, glass, ceramics, thin films, and delicate coated components; organic residue, thin coatings, particles, and contamination | Semiconductor and electronics processing, precision optics, medical components, micro-machining, and fine coating removal | Small heat-affected zone High absorption for many materials Fine feature control
UV optics and consumable components can increase system cost and maintenance requirements |
| Picosecond Laser Cleaning Machine | 1,064 nm, 532 nm, or 355 nm, depending on the application | Approximately 1–999 ps | Frequently configured from about 10 W to 200 W average power | Precision metal parts, semiconductor materials, glass, ceramics, thin coatings, and sensitive surfaces | Microelectronics, precision mold cleaning, coating removal, medical-device finishing, and high-value component processing | Low thermal impact High precision Suitable for thin layers
Higher purchase price and lower cleaning throughput than many nanosecond systems |
| Femtosecond Laser Cleaning Machine | Commonly 1,030–1,070 nm; harmonic wavelengths may be used | Approximately 10–999 fs | Often configured from roughly 1 W to 100 W average power, with very high peak intensity | Precision metals, glass, ceramics, composites, semiconductor materials, and delicate surfaces; micron-scale contamination and very thin films | Advanced microelectronics, aerospace components, research, precision optics, and high-value parts requiring minimal thermal damage | Minimal heat diffusion Very high precision Excellent for delicate surfaces
Highest equipment cost, more complex integration, and generally lower area throughput |
| Green Pulsed Laser Cleaning Machine | 532 nm green | Commonly nanoseconds to picoseconds | Typically about 10–300 W average power, depending on pulse regime | Copper, gold, some aluminum surfaces, electronics, ceramics, and selected transparent or reflective materials; oxides, residues, and thin coatings | Battery and electrical-component manufacturing, electronics, precision metal cleaning, and selective coating removal | Improved absorption for some reflective metals Good precision
Frequency-conversion components can reduce efficiency and add optical maintenance compared with infrared systems |
| High-Power Pulsed Laser Cleaning Machine | Most commonly 1,064 nm infrared | Usually nanoseconds | Commonly 500–3,000 W average power for large-area industrial work | Heavy steel structures, large molds, ship components, rails, machinery, and industrial tooling; thick rust, paint, scale, and heavy contamination | Shipbuilding, rail maintenance, heavy equipment, automotive production, large-mold cleaning, and infrastructure refurbishment | High material-removal rate Suitable for automation Large-area coverage
Requires robust cooling, fume extraction, safety interlocks, and appropriate process shielding |
| Portable Handheld Pulsed Laser Cleaning Machine | Most commonly 1,064 nm infrared | Usually nanoseconds | Frequently available from approximately 20 W to 300 W average power | General metal surfaces, molds, welds, tools, machine parts, and maintenance areas; rust, oil, paint, and oxide contamination | On-site maintenance, repair workshops, mold servicing, fabrication shops, and low-to-medium-volume production | Flexible deployment Low setup time Easy access to complex parts
Manual scanning can produce less uniform coverage and lower throughput than robotic or fixed multi-axis systems |
| Robotic or Automated Pulsed Laser Cleaning Cell | Commonly 1,064 nm; UV, green, or ultrashort-pulse sources may be integrated | Nanoseconds, picoseconds, or femtoseconds according to the process | Laser power is application-dependent; commonly about 100–3,000 W for industrial automation | Repetitive metal parts, weld seams, molds, battery components, aerospace parts, and complex production assemblies | High-volume manufacturing, quality-controlled surface preparation, production-line cleaning, and repeatable coating removal | Repeatable results Higher labor efficiency Easy process data integration
Higher integration cost and larger footprint; requires programming, guarding, extraction, and process validation |
