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beam spot size

COHR VLM DS 1117 2.pdf

COHR VLM DS 1117 2.pdf

…±5
Power (mW) 2.3 4.2 0.95 0.95 7.5
CDRH Class IIIa IIIa II II, IIIb,

Non-Conforming Non-Conforming
Spot Size (mm) 3 1.3 1.1 1.3 3.4 x 1.3
Beam Type Circular Circular Circular Ellipical Elliptical
Divergence (mrad) 0.4 0.7 0.7 0.7 0.3 x 0.8
Laser Drive Continuous-…

CO Lasers from Lab to Fab

CO Lasers from Lab to Fab

…limited spot size for 10.6 µm CO 2 lasers is about 55 µm, while the minimum spot size achieved in practice in industrial applications is 80 - 90 µm. The 5 µm CO laser can reach theoretical spot sizes of about 25 µm under the similar focusing conditions, with practical spot sizes in the 30…

Coherent Optoskand Brochure 10-20-17.pdf

Coherent Optoskand Brochure 10-20-17.pdf

…Units
With a focusing unit the parallel beam from the collimating unit is
focused down to the workpiece. The size of the focused spot and
the depth of focus are given by the combination of collimating
optics, focusing optics and beam quality. The Optoskand focusing
units…

ModeMaster PC User Manual

ModeMaster PC User Manual

Beam Propagation Theory
5 - 27
less than 1% of the diffraction-limited spot diameter, and the effect
on all specifications will then be negligible. Reduce the beam size at
the lens to gain more margins when operating too close to this limit.
The Reference Plane
and the…

Microsoft Word - Coherent whitepaper Cube performance Final0910

Microsoft Word - Coherent whitepaper Cube performance Final0910


the fiber. In a system where a collimated beam is
created, the beam may clip the edges of optics creating
scattered light and noise problems. For
bioinstrumentation applications requiring a small spot
size, the focused spot may exceed target dimensions,
causing…

COHR PowerMax-Pro kW DS 0417 5 FINAL.pdf

COHR PowerMax-Pro kW DS 0417 5 FINAL.pdf

…the beam size to 25 mm, the sensor could be used with modulated peak power up to 7 kW for 100 milliseconds.
5) These curves are for Gaussian beam profiles. Flatter beams can handle higher powers (~5%) for longer lengths of time, and beams with hot spots or
"super Gaussian" beams the curves…

COHR HighLightFL Compact SingleMode DS 0818.pdf

COHR HighLightFL Compact SingleMode DS 0818.pdf

…0.4 mm x mrad). Their combination of small focused spot size and high power density makes HighLightTM FL Single Mode lasers particularly well suited for applications such as remote welding and other scanner based configurations, welding using beam wobble, high speed cutting of thin sheet metal, and…

Laser Focus World - August 2016

Laser Focus World - August 2016

…the requisite combination of high power at visible or ultraviolet (UV) wavelengths, together with the excellent beam quality needed for achieving small (cell sized) focused spots. Flurochrome discovery and deployment largely fell in line with discrete emissions from the available lasers, with…

CMM 8.2.indd

CMM 8.2.indd

…for
applications that require feature sizes in
the 10 µm to 100 µm size range, as this is
commensurate with the focused spot size of
most visible and near infrared wavelength
laser beams. Since this is also the feature size
range being increasingly required in precision…

Laser Focus World - June 2015

Laser Focus World - June 2015


In addition, the CO laser's shorter
wavelength leads to a smaller focused
spot than that for a CO
2
laser, and/or a
larger depth of focus for the same given
spot size; a larger depth of focus leads to
a larger process window, allowing a larger
field…

Photonics Spectra - September 2015

Photonics Spectra - September 2015

36 Photonics Spectra September 2015 www.photonics.com
retical spot sizes of about 25 µm under the
similar focusing conditions, with practical
spot sizes in the 30 to 40 µm range. As a
result, the CO laser spot can have a power
density (fluence) that is four times higher

CMM 10.4.indd

CMM 10.4.indd

…a spot size
in the 10 to 20 microns range on the 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.…

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