Laser Cleaning Introduction Application Note

Laser cleaning technology refers to the use of high-energy laser beams to irradicate the surface of the workpiece of any dirt, rust, or unwanted coatings on the surface. The layer evaporates or peels off instantly, and effectively removes the surface layer or the coating of the object at high speed, thereby achieving a cleaner surface.

It is a new technology based on the interactions and effects of laser and matter. This is different from any traditional mechanical cleaning methods that involve chemical and ultrasonic cleaning (wet cleaning process). It doesn’t need any broken CFC organic solvents that deplete the ozone layer. It doesn’t pollute the environment and emits no sound. It is also not harmful to the human body.

Advantages of Laser Cleaning

  1. Laser cleaning is an environmentally friendly cleaning method that does not need to use any chemicals or cleaning fluids that might harm the environment.
  2. It is a non-contact cleaning method that effectively protects the workpiece.
  3. Laser cleaning can remove different types of pollutants on the surfaces of various materials, achieving cleaning that cannot be done by conventional methods. It can also selectively clean the pollutants on the surface of the material without damaging the original surface.
  4. Laser cleaning is highly efficient. It cuts down the cleaning process significantly and can be integrated into robots with a high degree of automation.

Scan Lens and Laser Cleaning Modules

WOE provides scan lenses and laser cleaning modules for various kinds of laser cleaning systems.

Laser Cleaning Introduction 1
Figure 1. Scan Lenses for Laser Cleaning
Part NumbersWavelengthFLSingle/
Dual Axis
Cleaning
Input
Beam
Dia.
WDMaterial
SL-1064-50-100Q-D10-LC1030-1090nm100mm50mm10mm120.7mmFused
Silica
SL-1064-100-170Q-D10-LC1030-1090nm170mm100mm10mm210.7mmFused
Silica
SL-1064-100×10-170Q-D10-LC1030-1090nm170mm100 x 10mm10mm212.9mmFused
Silica
SL-1064-100×10-170Q-D20-LC1030-1090nm170mm100 x 10mm20mm222.7mmFused
Silica
SL-1064-140-210Q-D10-LC1030-1090nm210mm140mm10mm258.5mmFused
Silica
Table 1. Scan Lenses Specifications for Laser Cleaning
Laser Cleaning Introduction 3
Figure 2. Laser Cleaning Modules
Part NumbersWavelengthFLBeam
Diameter
Laser
Power
LCLH-F160-D101030-1090nm160mm10mm100W
LCLH-F210-D201030-1090nm210mm20mm300W
LCLH-F250-D301030-1090nm250mm30mm500W
Table 2. Laser Cleaning Module Specifications

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