When the fiber laser output head and laser cutting head become contaminated, the pollutants will absorb laser energy, causing localized temperature rise and triggering the thermal lens effect. This phenomenon significantly reduces laser focusing performance and directly affects processing accuracy. In severe cases, it may even cause ablation damage to the mirror coating, necessitating the replacement of optical components.

However, in practice, the installation and cleaning of the fiber laser output head are not as complicated as you might think. Below are detailed steps and precautions for installation and cleaning.

Preparation and Conditions Before Installation

Environmental Requirements

  • Cleanliness Grade: ISO 5 (Class 100, ≥0.5μm particle concentration ≤3,520 particles/m³)

  • Recommended Location: Cleanroom or vertical laminar flow clean workbench

Auxiliary Tools

  • Anhydrous ethanol

  • IPA (isopropyl alcohol)

  • Lint-free cotton swabs

  • Lint-free cloth

  • Compressed clean air

  • Finger cots

  • Rubber adhesive tape (or masking tape)

  • Utility knife

  • High-intensity flashlight

  • Microscope (optional, if available)

Installation & Cleaning Steps

Installation Precautions

  • Installation and maintenance operations must be performed by personnel with professional knowledge or who have received training.

  • Operations involving optical lenses, such as installation and replacement, must be carried out in a clean working environment.

  • If the lens is contaminated with difficult-to-remove substances like grease, it constitutes severe lens contamination. In such cases, contact the laser manufacturer or authorized distributor for assistance.
  • During operation, exercise caution to avoid allowing hard objects to touch the polished surface of the lens.

  • Before cleaning the lens, ensure that the cleaning agent used does not corrode the lens coating.

  • When using the laser, ensure that the jumper cable end cap is removed or replaced with the end port facing downward.

  • When the laser is not in use, always cover it with the jumper end cap provided by the manufacturer.

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Yupec Laser is a leading provider of advanced fiber laser solutions in Europe, specializing in the sales, technical support, and service of Raycus fiber lasers.

With years of experience and a team of industry experts, we will be happy to help you with all your laser and laser application needs.

For more information about our products and services, please feel free to get in touch with us. We look forward to collaborating with you and driving innovation together.