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Glass Ablation

Europhotonics - Spring 2016

Europhotonics - Spring 2016

…such as catheters and infusion/fluid delivery devices; and creating permanent counterfeit-proof marks without surface damage in plastic products, glass syringes and vials. "Laser micromachining offers the potential for removal or transformation of material with incredible spatial selectivity and…

Photonik Feb2014.pdf

Photonik Feb2014.pdf

…significantly larger glass substrates, which are used only for digital displays, line scan techniques have become established. To this end, homogeneous lines up to 750mm in length are available and ensure a fast separation of the functional layers on up to 2500 x 2200mm2 glass substrate area.…

ULTRAFAST LASERS Free-Space CPA Approach Uses Volume Holographic Gratings.pdf

ULTRAFAST LASERS Free-Space CPA Approach Uses Volume Holographic Gratings.pdf

…of watts or hundreds of microjoules) than FBGs. However, their range of operation is
somewhat constrained by the physical dimensions of the glass and the maximum index change
that can be induced during recording of the grating. For example, the length of the grating
determines the…

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…

CMM 8.2.indd

CMM 8.2.indd

…blasting,
ultrasound drilling or laser ablation.
To investigate the potential for using lasers
for this application, the Coherent applications
laboratory laser drilled a large number of
tightly spaced holes into a glass wafer.
Specifically, these were 25 µm diameter…

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…

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

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…

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,…