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LIDT

Laser Induced Damage Threshold Measurements

266 nm
Coating type Substrate Test conditions Test method LIDT Download
AR @ 266 nm CaF2 λ=258 nm, τ=12 ps,
f=50 kHz, AOI 0°,
average/unpolorized
radiation
100000-on-1 0.0082 J/cm²
343-355 nm
Coating type Substrate Test conditions Test method LIDT Download
AR @ 355 nm FS λ=355 nm, τ=5.7 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 15.2 J/cm²
HR @ 343-355 nm FS λ=355 nm, τ=5.4 ns,
f=10 Hz, AOI 45°,
p-pol radiation
1000-on-1 3.38 J/cm²
HR @ 343-355 nm FS λ=355 nm, τ=5.4 ns,
f=10 Hz, AOI 45°,
s-pol radiation
1000-on-1 4.97 J/cm²
HR @ 343-355 nm FS λ=343 nm, τ=1 ps,
f=200 kHz, AOI 45°,
s-pol radiation
10000000-on-1 0.0237 J/cm²
HR @ 343-355 nm FS λ=343 nm, τ=1 ps,
f=200 kHz, AOI 45°,
p-pol radiation
10000000-on-1 0.023 J/cm²
POL @ 355 nm FS λ=355 nm, τ=5.6 ns,
f=100 Hz, AOI 55.8°,
s-pol radiation
1000-on-1 4.59 J/cm²
POL @ 355 nm FS λ=355 nm, τ=5.6 ns,
f=100 Hz, AOI 55.8°,
p-pol radiation
1000-on-1 3.34 J/cm²
515-532 nm
Coating type Substrate Test conditions Test method LIDT Download
AR @ 532 + 1064 + 694 nm Corning 7980 0F λ=532 nm, τ=5.9 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1-on-1 19.948 J/cm²
HR @ 527-532 nm BK7 λ=532 nm, τ=5.7 ns,
f=100 Hz, AOI 45°,
s-pol radiation
1000-on-1 14.2 J/cm²
HR @ 532 nm FS λ=515 nm, τ=200 fs,
f=5 kHz, AOI 25°,
s-pol radiation
1000-on-1 0.583 J/cm²
1030-1064 nm
Coating type Substrate Test conditions Test method LIDT Download
AR @ 1070 + 915 nm FS λ=1070 nm, CW regime,
AOI 12°, average/
unpolorized
radiation
Raster Scan 7.98 MW/cm²
HR @ 1070 + 905-925 + 633 nm FS λ=1070 nm, CW regime,
AOI 12°, average/
unpolorized
radiation
Raster Scan 0.376 MW/cm²
HR @ 1064 + 890 + 1550 + HT @ 650 + 800 nm FS λ=1070 nm, CW regime,
AOI 45°, average/
unpolorized
radiation
Raster Scan 0.134 MW/cm²
AR @ 1064 nm BK7 λ=1064 nm, τ=9.9 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 21.7 J/cm²
AR @ 1064 + 1573 nm FS λ=1064 nm, τ=9.9 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 115.8 J/cm²
HR @ 1064 nm FS λ=1064 nm, τ=10 ns,
f=100 Hz, AOI 34°,
p-pol radiation
1000-on-1 47.8 J/cm²
HR @ 1064 + HT @ 1350 + 1450 + 1100 + 950 nm BK7 λ=1064 nm, τ=10.1 ns,
f=20 Hz, AOI 45°,
p-pol radiation
1000-on-1 46.8 J/cm²
POL @ 1064 nm FS λ=1064 nm, τ=10 ns,
f=100 Hz, AOI 55.6°,
p-pol radiation
1000-on-1 23.9 J/cm²
PR @ 1030 nm FS λ=1064 nm, τ=9.8 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 11.6 J/cm²
1535 nm
Coating type Substrate Test conditions Test method LIDT Download
AR @ 1535 nm Schott LG940 λ=1535 nm, τ=4.4 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
R(1000)-on-1 22.4 J/cm²
AR @ 1535 nm Co:Spinel λ=1535 nm, τ=4.7 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
R(1000)-on-1 >35.36 J/cm²
HR @ 1535 nm BK7 λ=1535 nm, τ=10 ns,
f=10 Hz, AOI 0°,
average/unpolorized
radiation
20-on-1 >30.17 J/cm²
HR @ 1064 + HT @ 1535 nm BK7 λ=1500 nm, τ=3.7 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 12 J/cm²
PR @ 1535 nm BK7 λ=1535 nm, τ=3.7 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 43.8 J/cm²
2 µm
Coating type Substrate Test conditions Test method LIDT Download
AR @ 1910 + 2090 nm FS λ=2090 nm, τ=4.3 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
R(1000)-on-1 19.98 J/cm²
HR @ 2090 nm FS λ=2090 nm, τ=4.3 ns,
f=100 Hz, AOI 45°,
p-pol radiation
1000-on-1 >22.7 J/cm²
HR @ 2090 + HT @ 1910 nm FS λ=2090 nm, τ=3.7 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 9.7 J/cm²
POL @ 2090 + HT @ 1910 nm FS λ=2090 nm, τ=5.3 ns,
f=100 Hz, AOI 45°,
p-pol radiation
1000-on-1 12.3 J/cm²
PR @ 2090 nm FS λ=2090 nm, τ=4.3 ns,
f=100 Hz, AOI 0°,
average/unpolorized
radiation
1000-on-1 >24.2 J/cm²
PR @ 2090 nm CaF2 λ=2090 nm, τ=4 ns,
f=100 Hz, AOI 45°,
s-pol radiation
1000-on-1 14 J/cm²

Disclaimer Laser-induced damage threshold (LIDT) measurements are performed on actual components produced by Altechna. Individual component’s LIDT depends on multiple parameters (substrate material, polishing batch, coating batch, storage conditions, etc). Damage threshold value reached for the above individual components should be used for reference only but it is not guaranteed for all optics. Altechna can perform coating damage threshold testing service upon request.