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Technical Library: Radiance™ High Energy Optics
The
laser tube is the heart of your laser system, but a high
quality laser tube is not the only technology
involved in creating crisp, sharp engraved images. To
enhance the natural characteristics of the CO2 laser
beam, Epilog has developed our Radiance™ high energy
optics system. These high energy optics, shape and refine
the laser beam to create the best possible beam profile
for engraving and cutting applications.
Included as a standard feature in all Mini 24, Helix,
and Legend 36EXT
lasers systems, Epilog's Radiance optical technology helps produce the
sharpest images available in any CO2 laser system today. |
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There are four significant advantages that Epilog's
Radiance technology provides to our customers:
1) Rounder spot: A spot that is more circular in shape means that the laser characteristics
are the same in both the X and Y directions, providing a more crisp engraving.
2) More uniform spot over the entire table: When a laser beam diverges, it changes
size as it moves away from the laser tube. The size of the beam depends on how
much the laser beam diverges and the size of the engraving table. The difference
in beam size will have a significant affect on the image quality. Epilog's
Radiance technology produces the most uniform spot size in the industry, even
on our largest area of the 36"x 24" Legend 36EXT!
3) Smaller spot size: A smaller spot means that you can produce finer detail
in engraving and cutting applications. Just look at the detail on our samples.
Epilog's Radiance technology makes this level of detail easy to achieve!
4) Higher power density: When a laser beam is focused to a smaller size, its
power density goes up because you've got the same amount of energy in
a smaller area. This helps to produce a deeper, darker engraving than a beam
from
the same wattage tube that hasn't been optimized. And, when the power
density
goes up, it also enhances the laser's ability in vector cutting mode.
In order to understand good engraving, it's necessary to understand the
importance of the laser beam and the optics it passes through from the time it
leaves the laser tube until it reaches the work surface. There are three primary
characteristics of any CO2 laser beam that contribute to image quality: Shape,
Divergence, and Size.
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