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Far Field

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

…camera is then placed at the focal length
of the lens or mirror to produce a Far Field image of the laser beam. Placing the camera sensor at any other location
along the beam path will not produce the Far Field image and will give an incorrect measurement. Proper use of the
background…

AVIA NX nanosecond laser

AVIA NX nanosecond laser

…controller
* Compact size - 4X smaller than any similar laser
* Ruggedized design - HALT/HASS proven for unmatched reliability
* Modular head - field serviceability
* Extended UV lifetime – proprietary PureUV™ technology
* Simple GUI software
* Three-point kinematic mounting
* Long-lived and…

COHR Hidra DS 0317 2 FINAL.pdf

COHR Hidra DS 0317 2 FINAL.pdf

Typical Pulse Width ~36 fs
(taken on Hidra-50-USP)
M2 data and Far-Field Beam
Profile from Hidra-25-USP
TYPICAL PERFORMANCE DATA
Hidra Datasheet

Book.book

Book.book

…of the diode is collimated by a high-aperture lens.
Additionally, the beam is formed by a prism pair to achieve a round
beam in the far field. A thermoelectric cooler is integrated for stabilizing the diode laser. Excess heat is removed via the base plate of
Figure 2-1. CUBE Laser…

COHR Fidelity-2 DS 0618 4.pdf

COHR Fidelity-2 DS 0618 4.pdf


TYPICAL PERFORMANCE DATA
MECHANICAL SPECIFICATIONS
Fidelity-2: 50.3 fs Pulse Duration
Power Supply
Fidelity-2: Typical Far Field Mode Quality
460.4 mm (18.13 in.)
425.5 mm
(16.75 in.)
482.6 mm
(19.0 in.)
88.1 mm
(3.47 in.)
53.2 mm

COHR Axon DS 0719 8.pdf

COHR Axon DS 0719 8.pdf

…Typical Spectrum: Axon 920
Typical Spectrum: Axon 1064
Typical Autocorrelation: Axon 920
Typical Autocorrelation: Axon 1064
Far Field Beam Profile: Axon
Axon 100 Hour Power Stability
TYPICAL PERFORMANCE DATA
880
Wavelength (nm)
890 900 910 920 930 940 950…

SPIE DSS 2013 Final submitted 4-25-2013x

SPIE DSS 2013 Final submitted 4-25-2013x

Figure 5: Spectral shift as a function of operating current
Figure 6: Spectral shift as a function of output power
Figure 7: Far-field divergence (95% power content) as function of output power

2016-Ultrafast-Laser-Systems-Catalog.pdf

2016-Ultrafast-Laser-Systems-Catalog.pdf

…Fidelity is your powerful and dependable femtosecond
light source.
Fidelity-2
<55 fs Pulse Duration
Fidelity-2
Typical Far Field Mode Quality
Pulse Intensity (normalized)
Phase (rad)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8…

Properties-of-Structured-Light-Application-Note.pdf

Properties-of-Structured-Light-Application-Note.pdf

…perfectly collimated beam and the
divergence of the beam is dependent
on the waist size that is set by the
optical system.
Far field divergence of a laser beam
can be described as the ratio of the
wavelength of the light to the beam
waist at a particular focus…

COHR RLScatalog 2017revA web.pdf

COHR RLScatalog 2017revA web.pdf

…Fidelity is your powerful and dependable femtosecond
light source.
Fidelity-2
<55 fs Pulse Duration
Fidelity-2
Typical Far Field Mode Quality
Pulse Intensity (normalized)
Phase (rad)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8…

ModeMaster PC User Manual

ModeMaster PC User Manual

…used to scan the beam must be 17% of the diameter of
the beam being scanned. Therefore, the smaller pinhole is
normally used for the Far Field profile that is scanned at the
beam's focal plane. For cases in which the signal from the
smaller pinhole is not sufficient to produce…

COHR DiamondCx-10LQS DS 0118 3.pdf

COHR DiamondCx-10LQS DS 0118 3.pdf

…and Duty Cycle.
4 Gaussian Correlation based on Spiricon Near Field Raw Beam measurement at 80 cm distance from laser output, 20°C, and steady state operation at 80 kHz PRF, and 5 µsec PW.
5 Ratio based on Far Field Divergence measurement at 20°C, 80 kHz PRF, and 5 µsec PW command.