Europium laser cleaning visualization showing process effects
Todd Dunning
Todd DunningMAUnited States
Optical Materials for Laser Systems
Published
Jan 6, 2026

Europium Settings

Europium Machine Settings

Optimal laser parameters and operating ranges for effective cleaning

Wavelength

532
nm
355
532
1.1e4

Spot Size

200
μm
0.1
200
500

Fluence Threshold

1.2
J/cm²
0.3
1.2
4.5

Pulse Width

10
ns
0.1
10
1,000

Scan Speed

1,000
mm/s
10
1,000
5,000

Pass Count

2
passes
1
2
10

Overlap Ratio

70
%
10
70
90

Energy Density

1
J/cm²
0.1
1
20

Laser Power

45
W
1
45
120

Laser Power Alternative

30
W
10
30
100

Frequency

20
kHz
1
20
200

Europium Material Safety

Shows damage risk across parameter space. Green = safe, Red = damage danger.
WARNING
Fluence:3.98 J/cm²
From optimal:54%
Pulse Duration (ns)
1000
750
500
250
0
0
33
67
100
133
167
200
Power (W)

Europium Energy Coupling

Shows laser energy transfer efficiency. Green = high coupling (energy absorbed), Red = poor coupling (energy reflected).
MODERATE
Fluence:— J/cm²
From optimal:42%
Pulse Duration (ns)
1000
750
500
250
0
0
33
67
100
133
167
200
Power (W)

Europium Thermal Stress Risk

Shows thermal stress and distortion risk. Green = low stress risk, Red = high stress/warping/cracking risk.
ELEVATED
Fluence:— J/cm²
From optimal:50%
Pulse Duration (ns)
1000
750
500
250
0
0
33
67
100
133
167
200
Power (W)

Europium Cleaning Efficiency

Shows cleaning performance across parameter space. Green = optimal effectiveness, Red = ineffective.
GOOD
Fluence:3.98 J/cm²
From optimal:29%
Pulse Duration (ns)
1000
750
500
250
0
0
33
67
100
133
167
200
Power (W)

Europium Heat Buildup

Excellent

Heat Safety

Heat Control

Cooling Efficiency

Pass Optimization

📈 Heat Profile

Safe (<150°C)
Damage (>250°C)
0°C100°C200°C300°C✓ Safe🚨 Damage20°CPass 1Pass 2

🔧 Laser Settings

Pulse Energy:2000.00 mJ
Total Sim Time:60.2s

🌡️ Live Temperature

20°C
✅ Safe
Pass 1 of 2
Time: 0.0s / 60.2s

▶️ Simulation Controls

Europium Dataset

Download Europium properties, specifications, and parameters in machine-readable formats
29
Variables
0
Laser Parameters
0
Material Methods
11
Properties
3
Standards
3
Formats
View all Rare-earth datasets

License: Creative Commons BY 4.0 • Free to use with attribution •Learn more

Parameter Relationships

Shows how changing one parameter physically affects others. Click any node to see its downstream impacts and role.
WavelengthSpotSizeFluenceThresholdPulseWidthScanSpeedPassCountOverlapRatioEnergyDensityLaserPowerLaserPowerAlternativeFrequency

Spot Size

Directly affects Scan Speed and Energy Density. Increase this to amplify downstream effects.

Scan Speed

A bigger spot lets you scan faster while keeping good coverage.

Energy Density

Smaller spots concentrate energy into a smaller area.

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