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beam scan

Microsoft Word - Understand Different Laser Beam  Rev 1 Final.doc

Microsoft Word - Understand Different Laser Beam Rev 1 Final.doc

…And
because, at some point in the scan the full beam strikes the detector,
accurate power and noise measurement can be taken.
Like the slit scanner, the accuracy of a scan depends upon the
geometry of the beam. For best results, the beam should be
circularly symmetric and…

ModeMaster PC User Manual

ModeMaster PC User Manual


within the small circle symbol (adjusts the scan head so the input
beam is parallel with the scan head optical axis) and the dot and
circle both to the center of the alignment target (adjusts scan head so
the input beam is on its optical axis).
5. The micrometer adjustments…

COHERENT LMC 2016-2017 Catalog .pdf

COHERENT LMC 2016-2017 Catalog .pdf

…advancement over the more common
types of beam profilers, which use two orthogonal knifeedges or slits to scan the beam profile.The BeamMaster
model BM-7 uses seven individual knife-edges on a rotating
drum to scan the beam through seven different axes in a
single rotation.This…

Excimer LLO 2014.pdf

Excimer LLO 2014.pdf

…UV blade line beam scanning systems for LLO processing consist of the UV excimer laser source, which nowadays
extends to output power levels beyond kilowatts [6], and a
line beam optical system design, as shown in Figure 4. The
optical train transforms the laser beam into an extremely…

Microsoft Word - Coherent Whitepaper - Laser Processing of µLED

Microsoft Word - Coherent Whitepaper - Laser Processing of µLED

…ideally match the customers' needs.
For high throughput, the laser beam is formed into a line beam that can cover the complete
sapphire wafer (2", 4" or 6") in a single scan. In our UVblade LLO systems, the line beam is
shaped into a uniform top-hat profile with a uniformity of better…

CMM 10.4.indd

CMM 10.4.indd

…surface of
the OLED. Because the field of view of the scan
lens is relatively limited - typically a few hundred
millimeters - a motorised xy stage can provide
additional part motion in conjunction with this
beam scanning.
Laser Ablation
Lasers can process material…

COHR WhitePaper High Repetition Rate USP Lasers Improve OLED Cutting Results.pdf

COHR WhitePaper High Repetition Rate USP Lasers Improve OLED Cutting Results.pdf

…these results. The graphs show results for two scan speeds: the lower 0.5 m/s
scan speed is representative of a setup where translation stages move the sample under a fixed
beam delivery; the higher 2 m/s scan speed is representative of beam delivery using a
commercial scanner.…

High Power Fiber Lasers for Welding  COHR Rofin whitepaper.pdf

High Power Fiber Lasers for Welding COHR Rofin whitepaper.pdf

…or complete, integrated scanning solutions, which
include control of all relevant laser parameters, to fully optimize the welding process.
Moreover, these integrated solutions often feature fast and flexible beam scanning
technology which allows rapid beam movement from one welding…

Mode Master White Paper July 2011 final.pdf

Mode Master White Paper July 2011 final.pdf

…focus until the beam
diameters at both planes are essentially equivalent, as
shown in figure 4. Once this position is reached, the
lens is then translated along the beam propagation axis
to measure the beam profile at 256 different planes.
Figure 4. The lens scans across one…

Mode-Master-Whitepaper FORMFIRST.pdf

Mode-Master-Whitepaper FORMFIRST.pdf

…focus until the beam
diameters at both planes are essentially equivalent, as
shown in figure 4. Once this position is reached, the
lens is then translated along the beam propagation axis
to measure the beam profile at 256 different planes.
Figure 4. The lens scans across one…

LLO WavelengthAdvantage.pdf

LLO WavelengthAdvantage.pdf

…polymer thin films, it is most effective to use line beam scanning for LLO within one or two consecutive scans. The figure below shows an optical system for line beam generation. At typical fluence levels of above 250 mJ/cm2 line beam lengths of up to 750 mm are commercially available supporting…

SST 2017-09 Laser Marking.pdf

SST 2017-09 Laser Marking.pdf

…with the laser
wavelength. Similarly, desired feature size is also
driven by laser wavelength, as well as by the precision
of the beam scanning system. Next, HAZ constraints
usually determine the maximum pulsewidth which
can be used (although this choice is again highly

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