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effective beam diameter

ModeMaster PC User Manual

ModeMaster PC User Manual

…typical nearly-collimated input beams used with the ModeMaster
PC, with the input waist within a Rayleigh range of the input lens,
the focal diameter 2W02 inside the instrument is related to the input
beam divergence 1 by:
where f is the effective focal length of the ModeMaster…

2011-Diode-Laser-Modules-and-Pattern-Generators-Catalog.pdf

2011-Diode-Laser-Modules-and-Pattern-Generators-Catalog.pdf

…from 0.25 up to 120 degrees
E = Beam expander expansion power
f = Focal length
WD = Working distance
i = input beam diameter @ 1/e2
Dimension of the flat top is directly proportional to the
fan angle of the Powell and the effective focal length of
the focusing…

10 Tips White Paper 1 rev9

10 Tips White Paper 1 rev9

…parameters are beam diameter, intensity spatial distribution, mode structure and divergence. Determining which beam parameters are most important in your application is a key part of selecting the right beam diagnostic system for your particular needs. 3 Improve the effectiveness of your process.…

COHR HighLightFL Standard FFC DS 0818.pdf

COHR HighLightFL Standard FFC DS 0818.pdf

…SPECIFICATIONS HighLight FL6000
Nominal Power (W) 6000
Power Range (%) 10 - 100
Laser Beam Quality (BPP) at Collimator 3 mm x mrad BPP 4 mm x mrad for 100 µm fiber (other fiber diameter on request)
Power Stability (%) ± 2
Pulse Frequency Range CW - 5 kHz
Wavelength (nm)…

COHR DIAMOND E-1000 DS 0817 1.pdf

COHR DIAMOND E-1000 DS 0817 1.pdf


Power Range3 (W) 100 to 1000
Peak Effective Power4 (W) >2800
Power Stability5 (%) ±5
Mode Quality (M2) <1.2
Near Field Beam Diameter6 at 1/e2 (mm) 12 ±1.5
Beam Waist Diameter7 at 1/e2 (mm) 10 ±1.5
Full-Angle Beam Divergence6 (mrad) 1.6 typical, 2.0 max.

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

Ahead the New Glass Cutting COHR Rofin Whitepaper.pdf

…If the beam focusing optics are properly
configured, this focusing/defocusing effect can be balanced to repeat periodically and form a stable
filament which extends over several millimeters in length within an optically transparent material. The
typical filament diameter is in the…

COHR HighLightFL Compact MultiMode DS 0818.pdf

COHR HighLightFL Compact MultiMode DS 0818.pdf

HighLight FL Compact Datasheet
SPECIFICATIONS HighLight FL6000C
Nominal Power (W) 6000
Power Range (%) 10 to 100
Laser Beam Quality (BPP) at Collimator 3 mm x mrad BPP 4 mm x mrad for 100 µm fiber
Power Stability (%) ± 2
Pulse Frequency Range CW to 5 kHz
Wavelength…

COHR HighLightFL1000P DS 0617.pdf

COHR HighLightFL1000P DS 0617.pdf

…Datasheet
SPECIFICATIONS PRELIMINARY Technical Data
HighLight FL1000P Pulsed Yb:YAG Fiber Laser
Nominal Power (W) 1000
Laser Beam Quality (BPP) at Collimator <24 mm x mrad for 400 m round fiber core;
<35 mm x mrad for 400 m square fiber core
Pulse Frequency…

COHR HighLightDL HPR DS 0818.pdf

COHR HighLightDL HPR DS 0818.pdf


HighLight
DL3000HPR
HighLight
DL4000HPR
Nominal Power, cw (W) 1000 2000 3000 4000
Power Range (%) 10-100
Laser Beam Quality (BPP) (mm
*mrad) 100
Power Stability Over 24-hour; Cooling Water T = ± 1 K (%) ± 2
Pulse Frequency Range LaserOn-Signal (Hz)

Mode Master White Paper July 2011 final.pdf

Mode Master White Paper July 2011 final.pdf

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 drum diameter,

Mode-Master-Whitepaper FORMFIRST.pdf

Mode-Master-Whitepaper FORMFIRST.pdf

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 drum diameter,

The PCB Magazine, November 2015

The PCB Magazine, November 2015


effect substantially. This is relatively easy, since
the transparent glass makes it easy to register
fiducial marks on one side of the glass when it
is flipped over for drilling from the second side.
Overall, this testing showed that vias down to
5 µm diameter could…

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