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Galvo Mirror Coatings

Photonics.com
Jun 2008
Reynard CorporationRequest Info
 
SAN CLEMENTE, Calif., June 17, 2008 – Reynard Corporation has announced new high precision military coatings for Galvanometer (Galvo) mirrors. These mirrors are used in various laser system applications such as scanners, bar code readers, sweeping remote sensors, marking systems and laser light shows.

A mirror is modulated on it centered axis, causing a static laser beam to scan in a one-dimensional orientation. Adding a second Galvo mirror allows for scanning in two dimensions, for example the first scans in an X-orientation across a single line, while the second mirror allows for Y-orientation movement. With a synchronized X-Y controller, any continuous geometric shape can be realized.Reynard-mirrors-High-view.jpg


High-view example of Reynard's new high precision coatings for Galvo mirrors.

Mirrors are manufactured using most any substrate, but are most commonly made from BK-7, fused silica or silicon. With their CNC machining capabilities, they can shape the Galvo mirror substrates to suit a myriad of applications. The substrates are then coated with a highly reflective protected metal or multi-layer dielectric tuned for the required wavelength band and application.

According to Reynard, their Galvo mirror coatings can achieve reflectivity of greater than 99.9 percent and are able to withstand the most rigid durability requirements per military specifications - including Temperature/Humidity and Salt Fog requirements per Mil-C-48497A.

Reynard-mirrors-Blk-bk-web.jpg“Galvo mirrors are a perfect fit for our highly-durable reflective coating designs,” says Forrest Reynard, president of Reynard Corporation. “Since application environments can range from ambient and controlled to harsh military conditions, one can be assured that our coatings will function as designed.”

Reynard Corporation is a global supplier of optical components and thin film coatings.

For more information, visit:
www.reynardcorp.com

Reynard Corporation
1020 Calle Sombra
San Clemente, CA, 92673
Phone: (949) 366-8866
Fax: (949) 498-9528



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GLOSSARY
galvanometer mirror
A small mirror, sometimes plane and sometimes concave, attached to the rotating coil of a galvanometer to cause a spot of light to move along a scale.
photonics
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
thin film
A thin layer of a substance deposited on an insulating base in a vacuum by a microelectronic process. Thin films are most commonly used for antireflection, achromatic beamsplitters, color filters, narrow passband filters, semitransparent mirrors, heat control filters, high reflectivity mirrors, polarizers and reflection filters.
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