Terracotta laser cleaning visualization showing process effects
Yi-Chun Lin
Yi-Chun LinPh.D.Taiwan
Laser Materials Processing
Published
Jan 6, 2026

Terracotta

Terracotta Machine Settings

Optimal laser parameters and operating ranges for effective cleaning

Wavelength

1,064
nm
355
1,064
1.1e4

Spot Size

200
μm
0.1
200
500

Energy Density

1
J/cm²
0.1
1
20

Pulse Width

15
ns
0.1
15
1,000

Scan Speed

1,500
mm/s
10
1,500
5,000

Pass Count

2
passes
1
2
10

Overlap Ratio

70
%
10
70
90

Dwell Time

100
μs
0.2
100
200

Laser Power

100
W
1
100
120

Laser Power Alternative

50
W
20
50
200

Frequency

20
kHz
1
20
200

Terracotta 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)

Terracotta 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)

Terracotta 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)

Terracotta 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)

Terracotta 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:60.1s

🌡️ Live Temperature

20°C
✅ Safe
Pass 1 of 2
Time: 0.0s / 60.1s

▶️ Simulation Controls

Terracotta Dataset

Download Terracotta properties, specifications, and parameters in machine-readable formats
37
Variables
0
Laser Parameters
0
Material Methods
11
Properties
3
Standards
3
Formats
View all Masonry datasets

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

Parameter Relationships

WavelengthSpotSizeEnergyDensityPulseWidthScanSpeedPassCountOverlapRatioDwellTimeLaserPowerLaserPowerAlternativeFrequency

Spot Size

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

Energy Density

Smaller spots concentrate energy into a smaller area.

Scan Speed

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

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