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Polygonal Scanners

Photonics.com
Mar 2010
Lincoln Laser Co.Request Info
 
PHOENIX, March 25, 2010 – Lincoln Laser Co.’s KW Series polygonal laser scanners feature copper mirrors for materials processing applications using high-energy laser sources. When galvanometer mirrors are enlarged to compensate for high-power lasers, the scan rate slows down.

The polygonal scanners dissipate heat more efficiently and produce faster scan rates because the copper substrate acts as a large heat sink that draws heat away from the mirror facets. Additional heat dissipation occurs as the polygonal mirror rotates, allowing the laser beam to transfer rapidly from facet to facet and minimizing dwell time on any single facet.

The scanners accommodate beam power densities of 1000 W per square millimeter and produce scan angles of >120° and scan rates of >10 kHz.

They can be custom designed to meet thermal, optical, speed and accuracy requirements for lasers of all wavelengths and power levels.

For more information, visit: www.lincolnlaser.com


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GLOSSARY
facet
1. One of the plane-reflecting surfaces on a multisurfaced polygon. 2. The cleaved end mirror of a laser diode's active region.
heat sink
A series of flanges or other conducting surfaces, usually metal, attached to an electronic device to transmit and dissipate heat that might damage internal circuitry.
optical
Pertaining to optics and the phenomena of light.
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