Coherent FieldMaxII-TOP Spécifications télécharger pdf (Page 77)

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Beam Propagation Display

Coherent pioneered M

beam propagation analysis with the

ModeMaster system a decade ago. Now, the new ModeMaster PC

Laser Beam Propagation Analyzer combines all the ISO-compliant

accuracy and powerful features needed for measuring M

and other

beam propagation analysis functions for CW lasers. It also provides the

added exibility and value of a personal computer to provide optimum

user control, data processing, storage and results display.

The ModeMaster PC includes a Universal Serial Bus (USB) control/

interface console and Windows software for operation with Windows

2000 or XP). The ModeMaster PC is also compatible with all existing

ModeMaster systems, allowing legacy ModeMaster system users to

easily upgrade their systems for use on a supported PC computer.

The precision 5-axis head mount and beam position display of the ModeMaster PC provide easy angular alignment and

translational centering of the lens and scan axis to the beam propagation path.

Beam diameter is a critical parameter in beam propagation measurements. Second-moment diameters (D4σ) give the best

theoretical answers for beam propagation calculations. The ModeMaster PC measures second-moment diameters directly.

The ModeMaster PC software also includes conversion algorithms from its knife-edge measurements to second-moment

diameter measurements that are valid for stable resonator modes with M

of 1 to 4 (covering most commercially available

lasers). Also included are conversions to D86 and slit diameters to allow comparison to other measurements.

In most laser applications it is not laser power that does the work but power density. Using the ModeMaster PC, the point of

maximum power density can be quickly located. A convenient power density tuning screen displays power density as a pseudo-

analog “tune bar,” giving real-time feedback as the laser mirrors are adjusted.

Laser

Cross-

Reference

Index

POWER

& ENERGY

Power

Sensors

Energy

Sensors

Custom

& OEM

BEAM

DIAGNOSTICS

CALIBRATION

& SERVICE

INDICES

Product

Name

Index

Power

& Energy

Meters

Beam Propagation Analyzer

ModeMaster PC

Easy Beam Alignment

Second-Moment Diameters

Real-Time Power Density Adjustment

1 2 ... 72 73 74 75 76 77 78 79 80 81 82 ... 91 92

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