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Beam Waist

Microsoft Word - Understanding Laser Beam Parameters Leads to Better System Performance and Can Save Money Final.doc

Microsoft Word - Understanding Laser Beam Parameters Leads to Better System Performance and Can Save Money Final.doc

Beam Parameter Product (BPP).
In some cases, people prefer the Beam Parameter Product (BPP) in order to specify beam quality
(alternatively to the Beam Quality Factor M²). The Beam Parameter Product of a laser beam is defined as
the product of beam radius (measured at the beam waist)

COHR Genesis MX MTM-Series DS 1017 4.pdf

COHR Genesis MX MTM-Series DS 1017 4.pdf

…mm) 0.13
Location2,3 (mm) -60
Beam Divergence
Horizontal2 (FW, 1/e2, mrad) <20
Vertical2 (FW, 1/e2, mrad) <20
Collimated Version
Beam Waist Diameter2 (1/e2, mm) 1.8
Beam Divergence2 (1/e2, mrad) 1.4
Beam Waist Location2 (m) 0.25 ±0.25
M2

ModeMaster PC M-Squared

ModeMaster PC M-Squared

…for VIS, High-Divergence beams ModeMaster PC Control/Interface Console and Software Accuracy - Beam Quality- M2 (%) ±5% ±5% ±5% ±5% — Accuracy - Beam Translation ±5% of waist diameter +0.1 mm ±5% of waist diameter +0.1 mm ±5% of waist diameter +0.1 mm ±5% of waist diameter +0.1 mm — Accuracy…

INNOVA 90C

INNOVA 90C

…the beam waist is located at the flat high reflector. The long-radius output coupler acts as a weak lens to transfer the output-beam parameters. The values listed for beam divergence, beam waist diameter and beam waist location take into account the weak lens effect. The value for beam waist

The Staccato Laser

The Staccato Laser

…integers, single pulse Laser Beam Quality Parameter 1 (M 2) TEM 00 (M 2 ≤1.3) Laser Beam Diameter 1 at Position -100 mm [(x+y)/2] 1.3 mm ±0.1 mm Laser Beam Circularity 1 (%)(Asymmetry) ≥85 (≤1.15) Beam Waist Astigmatism 1 (Z0x – Z0y)/Average ZR ≤0.2 (2m from exit) Laser Beam Position (Positional)…

COHR MedicalOCTprobe DS 0619.pdf

COHR MedicalOCTprobe DS 0619.pdf

…and beam waist.
We have both scanning slit and camera based equipment to measure beam parameters.
Working Distance: Through the customized design of the distal tips, the working distance can be varied to suit the
customer requirements.
Beam Waist: Similarly, the beam waist can…

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

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

…this beam should ideally be highly symmetrical so that the kerf and HAZ don't vary as
cut direction changes.
Figure 4 shows that the Coherent HyperRapid NX operating at 355 nm delivers a beam symmetry
of >90% over a depth of focus of more than 500 µm when focused to a beam waist of…

Sapphire LPX Drawing.pdf

Sapphire LPX Drawing.pdf

34 6 Beam waist at exit window (3mm inside from here) ( 200mm) Interfacing Part (Heatsink) should have flatness <0.05mm 17,9 19 17,5 LED (Emission Indicator) Connection to Controller (25pin SUB-D male) DC Supply for fan (AMP-MODU-2pin-male) 5 10,1 115,6 120 125 55 70 7,5 15 110 45 Position of dowel…

COHERENT LMC 2016-2017 Catalog .pdf

COHERENT LMC 2016-2017 Catalog .pdf

…along the beam propagation axis.The
lens focuses the beam to create an internal beam waist, and
the two orthogonal knife edges (X and Y), which are mounted
on a rotating drum, measure the beam diameter and beam
axis location at 256 planes along the beam waist as the

COHR WhitePaper template 2 08 2019

COHR WhitePaper template 2 08 2019


Beam Parameter Product
The Beam Parameter Product (BPP) quantifies the
quality of a laser beam and how well it can be
focused. It is the product of a laser beam's far-field
divergence angle (half-angle) and the radius of the
beam at its narrowest point (the beam waist).

ModeMaster PC User Manual

ModeMaster PC User Manual

…of the beam being
measured to that of a theoretical diffraction limited
(TEM00) beam having the same waist diameter. Theoretical TEM00 beams have an M2 of 1 and real laser beams
will have a larger M2 value. The tolerance on the M2
value is ± 5%.
F. 2W0. The waist diameter…

Whitepaper LMC PM-Pro LAM updtd 3 05 19.pdf

Whitepaper LMC PM-Pro LAM updtd 3 05 19.pdf

…of beam mode, and nearly instantaneous power for both CW and
pulsed, high power lasers using PowerMaxTM-Pro sensing technology from Coherent. Specifically,
their Beam Waist Analyzer Camera (BWA-CAM®) measures many laser parameters including the
beam waist position, beam size,…

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