# High-power fibre laser lens cleaning (L-OPTICAL/WIPE)

- Source-Date (SAST): 2024-05-22 21:23
- Dest: both
- Review-after: 2027-08-31
- Status: current

## Facts

- High-power fibre laser lens cleaning is critical.
- Use L-OPTICAL/WIPE.
- Use a strong light to find dust.
- Wipe in one direction only.
- Wipe gently; do not rub the lens (rubbing drives dust into the surface and causes more scratches).
- Demo video: https://youtu.be/jfjbSY105zE