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Photonics Dictionary

roughening laser

A roughening laser is a laser-based surface modification technique aimed at altering the surface texture of a material to achieve specific properties such as enhanced adhesion, light diffusion, or aesthetic effects. The process involves using a laser to induce controlled micro-scale or nano-scale irregularities on the surface of the material.

Surface modification: The laser selectively ablates or modifies the surface of the material to create micro-roughness or texture.

Controlled process: Parameters such as laser power, pulse duration, and scanning speed are adjusted to achieve the desired surface roughness and texture.

Applications: Commonly used in industries such as automotive, aerospace, electronics, and biomedical for applications like improving bonding strength in adhesive joints, enhancing light trapping in solar cells, or creating anti-reflective surfaces.

Roughening lasers offer a precise and efficient method for modifying material surfaces to meet specific functional or aesthetic requirements, leveraging the versatility and precision of laser technology in surface engineering.

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