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glass ablation

Laser Focus World - November 2017

Laser Focus World - November 2017


ablating corneal material in the precise pattern required to correct
the individual patient's
vision. The flap is then
replaced, sealing and
protecting the front of
the eye.
The precision of the
193 nm argon fluoride
(ArF) excimer laser ablation process…

Helios Whitepaper2014.pdf

Helios Whitepaper2014.pdf


this area is so-called "color marking" because the mark
exhibits a rainbow-like color effect when viewed under
the proper lighting. Color marking actually involves
ablating just a few nanometers of material from the
surface of a glass or sapphire substrate. Again, it is

Industrial Photonics - July 2014

Industrial Photonics - July 2014

…said. Annealing
demands one number, while etching or cutting requires
another. The best beam profile for drilling, etching and
ablation is generally Gaussian, with an intense center
point. Welding and 3-D manufacturing work best with a
flat-top profile, with intensity…

EU LASER Interview R Waldermann english.pdf

EU LASER Interview R Waldermann english.pdf

…beam, which we
call "UV blade." The finished panel is
scanned underneath the line beam in
order to ablate an ultra-thin layer of
material holding it to the rigid glass
substrate on which it was produced.
The result is a finished, functional display which is as flexible…

Refractive Surgery with Excimers EU OuP.pdf

Refractive Surgery with Excimers EU OuP.pdf

…the twin
galvanometers scan across the cornea
under surgeon / computer control. For
typical myopic patients, this results in
ablation times of less than three seconds
for each diopter of correction. Total
procedure times are around twenty to
thirty seconds for each…

IndustrialUltrafast Whitepaper.pdf

IndustrialUltrafast Whitepaper.pdf

…intrinsically not a hot process. Also, when using ultrafast pulses, the laser processed material is removed in such a short timeframe that the ablated material carries away most of the energy before heat can spread into the surrounding material. Together, these effects result in significantly…

HighValueMarkingApps.pdf

HighValueMarkingApps.pdf

…from the material, which then explodes away (because of Coulomb repulsion) in a relatively cool process. The short pulse duration means that the ablated material carries away any deposited heat before it can spread. Ultrafast processing thereby delivers a smaller HAZ and greater precision. However,…

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