Galvo Mirrors

Galvo Mirrors

Galvo mirrors, also known as galvanometric mirrors or scanning mirrors, are crucial components in high-speed laser scanning systems.

Precision Scanning & High-Speed Performance

Galvo Mirrors are typically driven by galvanometer motors that precisely control the mirror’s angle of deflection, allowing a laser beam to be rapidly redirected across a target. This swift and accurate beam steering is essential in applications such as marking, engraving, cutting, and welding in industries that demand both speed and precision.

Industrial Applications

  • Laser Marking & Engraving - Galvo mirrors enable high-speed marking and engraving on plastics, metals, and other materials.
  • Cutting &Welding - Although often associated with larger beam-delivery optics, compact galvo heads can be used in fine cutting or micro-welding tasks demanding precision.
  • 3D-Printing & Additive Manufacturing - In selective laser sintering (SLS) or selective laser melting (SLM) processes, galvo mirrors guide the laser to sinter or melt powder materials layer by layer with high accuracy.
  • Medical &Cosmetic Procedures - Laser scanning for dermatology or eye treatments often uses small galvo mirrors for precise beam placement on tissue.

Key Benefits

  • High Throughput - Rapid beam deflection enables high-speed processing, reducing cycle times and increasing productivity.
  • Enhanced Flexibility - Easily program complex scanning patterns to accommodate design variations, making galvo-based systems ideal for prototyping and short production runs.
  • Precise Control - Fine adjustments to angle and velocity allow meticulous control over laser intensity and coverage, crucial for detail-oriented tasks like engraving or micro-machining.
  • Longevity - Durable coatings and robust mirror substrates are engineered to handle demanding environments with minimal wear.

Choosing the right galvo mirror

Choosing the right component is essential. Laser wavelength, power handling, size, shape, scanning speed, accurary and several other factors are crucial. Event the environment and cooling possibilities play a huge role in picking the right optical component.

Choose an appropriate reflective coating optimized for your laser source.

Choose an appropriate reflective coating optimized for your laser source.

Ensure the mirror and its coating are rated for your laser’s power.

Ensure the mirror and its coating are rated for your laser’s power.

The mirror dimensions should match the desired scan field.

The mirror dimensions should match the desired scan field.

Some high-power applications might require active cooling or integrated heat dissipation.

Some high-power applications might require active cooling or integrated heat dissipation.

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