Multi Laser System.
ALE laser engraving machines can be used with multiple
lasers, either of the same
type or a combination of different types. Different wave
lengths, or pulsing characteristics from separate laser
sources may give beneficial outcomes for engraving.
Selective absorbency may well be achieved by the laser
wave length chosen. Clean dry engraving, particularly
into metals or ceramics, might well be achieved by short
pulse length laser sources. Bulk removal can be achieved
by longer pulse, higher powered lasers.
Different wave lengths, or pulsing characteristics from
separate laser sources, may also give beneficial
outcomes for secondary processes, pre or post engraving.
example: cleaning, hardening, glazing or any other laser
stimulated surface metamorphosis, so, multi laser
engraving machines can provide improved performance,
when compared to a single laser system, with respect to
engraving and other secondary
Local Laminar Engraving
This is a subset of Hop and Drop Engraving, HADE,
whereby DX is only added to the HEL repetitively and
cumulatively. DX is typically 3 EPR's and will be added
repetitively, typically for six times. So a typical
cycle of DX will be 0, 3, 6, 9, 15, which will give rise
to a total spread of 15 EPR'S. Real time look up tables
are used to control the linearity of displacement and
power over such a wide DX.