Coherent FieldMaxII-TOP Specifikace stáhnout pdf (Strana 78)

Superior Reliability & Performance • www.Coherent.com • LMC.sales@coherent.com

Real-Time Display Pointing-Stability Display

Real-Time M

and Beam Proles

The ModeMaster PC provides real-time

measurement and display for ne tuning M

and

many other beam propagation parameters, as well

as the near-eld or far-eld pinhole intensity

beam proles.

Beam-Pointing and Translational Stability

ModeMaster is able to measure and display both

translational (parallel to the beam axis) or angular

(from a pivot point) beam movement over a period

of 2 minutes to 24 hours. The angular pivot point

of the beam axis (often a single optical surface) can

be located along the beam path. Statistical analysis

of the beam axis location and angle are displayed

for both the X and Y axes. Three levels of ltering

reduce noise and increase the sensitivity of

pointing-stability measurements.

Expanded Online Help

The ModeMaster PC provides complete online help. Help messages

also suggest corrective measures when beam parameter limits are

exceeded.

Upgrading to the ModeMaster PC

All previous versions of the ModeMaster systems can be upgraded

to the ModeMaster PC. The original console unit and the LabMaster

display are simply replaced with the ModeMaster PC Control/Interface

Module and Software, installed in a user-supplied compatible PC

computer. All original ModeMaster scan heads are fully compatible

and can be plugged into the ModeMaster PC Control/Interface

Module, which can be ordered separately with the software.

RS-232 Interface

The ModeMaster PC can provide measured beam data, analysis results

and focus scan control (through the RS-232 interface) for remote data

logging, results monitoring and measurement control.

Changes in the shape of a propagating beam

can be astigmatic, asymmetric or both. The beam

shown at the near right has pure astigmatism;

the waists (W0) in the horizontal and vertical

directions are the same size, but occur at different

propagation distances (Z0). In asymmetric beams

(far right) the two waists occur together, but are of

different diameters. The ModeMaster PC provides

complete analysis of these beam characteristics.

Pure Asymmetry

= Z

≠ W

Pure Astigmatism

≠ Z

= W

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

Beam Astigmatism and Asymmetry

1 2 ... 73 74 75 76 77 78 79 80 81 82 83 ... 91 92

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