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Beam Shaping

Cytometer Benefits from Laser Modules.pdf

Cytometer Benefits from Laser Modules.pdf

…plug-and-play smart modules with very consistent mechanical registration and unit-to-unit performance. Every OBIS module delivers an identical beam shape, size and direction, so interchanging or adding lasers is relatively simple». Supporting the market for benchtop cytometry requires an agile…

Laser Focus World - September 2015

Laser Focus World - September 2015

…unaberrated wavefront. For beam analysis, a
beam's wavefront shape measured by the Shack-Hartmann sensor provides the information needed to calculate a beam profile.
Imagine Optic (Orsay, France) manufactures Shack-Hartmann
sensors that are integrated into beam analyzers produced by…

Bio Optics World - January/February 2015

Bio Optics World - January/February 2015

…modular solutions
to enable fiber delivery (both single- and
multimode), plug-and-play combining of
multiple wavelengths, and beam shaping
using refractive and diffractive optics (see
Fig. 3). And in some cases, they require an
engine in which the coherence of the laser…

Microsoft Word - Coherent whitepaper Cube performance Final0910

Microsoft Word - Coherent whitepaper Cube performance Final0910

…facet, the beam is initially highly divergent. And because of the asymmetric slot-like shape of the facet, the dimensions and divergence of the beam are different in the X and Y directions. Plus in some diodes, the raw beam has astigmatism - the X axis appears to diverge from a different beam waist…

Photonics Spectra - July 2014

Photonics Spectra - July 2014

…variations in laser output, as well as changes in optical alignment within a beam delivery system and degradation in the performance of individual beam delivery optics (such as a drop in reflectivity on a mirror). Pulse shape is also an important parameter, particularly for applications in the…

Bio Photonics - April 2015

Bio Photonics - April 2015

beam is coincident
with a TEM
00
(Gaussian profile) beam of
a different wavelength. The donut beam
depletes the population of excited fluorophores via stimulated emission. This beam
shape serves to constrict the volume of
fluorophores that the TEM
00
beam

CoherentLaserCladding March2014.pdf

CoherentLaserCladding March2014.pdf

…increase. In contrast,
for most arc welding processes, clad quality suffers with increasing
power and deposition rate. Finally, the line beam shape can process
large areas rapidly with a high degree of control over clad width,
thickness and deposition rate.
Both the diode…

Conference FBG Cohr in Goe 0916.pdf

Conference FBG Cohr in Goe 0916.pdf

…High beam coherence optics for
the excimer laser beam will shape the excimer laser beam
such that the system can write FBGs from typically 1 to 10
mm in length. From a technical viewpoint, the capability
for beam apodization is mandatory and is accomplished by
using a shaped

Industrial Photonics - April 2016

Industrial Photonics - April 2016

…ways. For example, both optomechanical
mounts and optics themselves may respond to temperature changes in a way that alters beam pointing or the
beam shape. This changes the geometry or position of
the focus, which becomes more critical when producing
smaller features. Again,…

Coherent Magnum II Laser Operator's Manual

Coherent Magnum II Laser Operator's Manual

…ranges, high-power laser diodes can produce beam profiles
that are far from Gaussian in shape, resulting in a beam that may
exhibit an "M"-shaped longitudinal profile with a large gap. In such
cases, it is difficult to extend the beam into a very uniform line. At
Coherent, we…

Excimer LLO 2014.pdf

Excimer LLO 2014.pdf

…homogeneous line beam length
in the range of 250-750 mm to match the substrate size to
be processed in the experiments. The line beam width is
0.25-0.4 mm, depending on the line length. Such a high
aspect ratio of the line beam field is generated by independently shaping the two…

PowerMax-Pro-White-Paper-Novel-Laser-Power-Sensor-Improves-Process-Control FORMFIRST.pdf

PowerMax-Pro-White-Paper-Novel-Laser-Power-Sensor-Improves-Process-Control FORMFIRST.pdf

…variations in laser output, as well as changes in optical alignment within a beam delivery system, and degradation in the performance of individual beam delivery optics (such as a drop in reflectivity on a mirror). Pulse shape is also an important parameter, particularly for applications in the…