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Reynard offers galvanometer mirrors

A Reynard product story
Edited by the Engineeringtalk editorial team Apr 21, 2009

Reynard has announced high-precision-coating galvanometer mirrors for commercial and military applications.

Galvo mirrors are used in laser system applications such as scanners, bar code readers, sweeping remote sensors, marking systems and laser light shows.

A mirror is modulated on its centred axis, causing a static laser beam to scan in a one-dimensional orientation.

Adding a second Galvo mirror allows scanning in two dimensions.

For example, the first scans in an X-orientation across a single line, while the second mirror allows Y-orientation movement.

With a synchronised X-Y controller, any continuous geometric shape can be realised.

Mirrors are manufactured using almost any substrate, but are most commonly made from BK-7, fused silica or silicon.

Substrates are coated with a highly reflective protected metal or multi-layer dielectric, tuned for the required wavelength band and application.

Galvo mirror coatings can achieve reflectivity of greater than 99.9 per cent and meet strict durability requirements, including temperature/humidity and salt fog requirements to Mil-C-48497A.

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