DescriptionSpecifications
Models
Catalog PDF
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Our high-energy Nd:YAG laser mirrors are manufactured using high purity fused silica substrates and ultrahard dielectric coatings. These mirrors have been specifically designed to withstand high-energy pulses and have a high damage threshold. Meticulous production procedures guarantee they will withstand fluences greater than 10 J/cm2 at 1064 nm. The coatings are highly durable and will withstand repeated cleaning. Our new HE.1 and HE.2 coating can withstand as high as 40 J/cm2 at 1064 nm and 8J/cm2 at 532nm energy fluences respectively.
We offer Nd:YAG mirrors for the fundamental 1064, frequency-doubled 532, frequency-tripled 354.7, and frequency-quadrupled 266 nm laser lines at either 0° or 45° incidence angle. A dual-wavelength mirror for 1064 and 532 nm is also available. Reflectivity is greater than 99.7% for s-polarization and greater than 99% for p-polarization. These mirrors are available in 25.4 or 50.8 mm diameters. |
Coatings |
| Laser Type |
Wavelength Range
(nm) |
Angle of Incidence |
Reflectivity |
Coating Code |
| Nd:YAG (1) |
1064 |
45° |
Rp and Rs >99% at 1064 nm |
HE.1 |
| Nd:YAG (2) |
532 |
45° |
Rp and Rs >99% at 532 nm |
HE.2 |
| Nd:YAG (1, 2) |
1064 and 532 |
45° |
Rs >99.7%, Rp >99% |
HDM.15 |
| Nd:YAG (1) |
1064 |
45° |
Rs >99.7%, Rp >99% |
HM.15 |
| Nd:YAG (2) |
532 |
45° |
Rs >99.7%, Rp >99% |
HM.35 |
| Nd:YAG (3) |
354.7 |
45° |
Rs >99.7%, Rp >99% |
HM.45 |
| Nd:YAG (4) |
266 |
45° |
Rs >99.7%, Rp >99% |
HM.75 |
| Nd:YAG (1, 2) |
1064 and 532 |
0° |
Rs >99.7%, Rp >99% |
HDM.10 |
| Nd:YAG (1) |
1064 |
0° |
Rs >99.7%, Rp >99% |
HM.10 |
| Nd:YAG (2) |
532 |
0° |
Rs >99.7%, Rp >99% |
HM.30 |
| Nd:YAG (3) |
354.7 |
0° |
Rs >99.7%, Rp >99% |
HM.40 |
| Nd:YAG (4) |
266 |
0° |
Rs >99.7%, Rp >99% |
HM.70 |
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| Material | UV grade fused silica |
| Surface Flatness S1 | ≤λ/10 at 632.8 nm over the clear aperture |
| Clear Aperture | ≥central 80% of diameter |
| Surface Quality | 10-5 scratch-dig |
| Diameter Tolerance | +0/-0.25 mm |
| Thickness Tolerance | ±0.5 mm |
| Wedge | ≤3 arc min |
| Chamfers | 1.0 (25.4) [in. (mm)]: 0.25–0.76 mm face width x 45° ±15°
2.0 (50.8) [in. (mm)]: 0.38–1.14 mm face width x 45° ±15° |
| Durability | MIL-M-13508, MIL-C-675C, MIL-C-14806, moderate abrasion |
| Cleaning | Non-abrasive method, acetone or isopropyl alcohol
on lens tissue recommended (Unknown type Newport.Step.Product.XRefElement) |
| Damage Threshold | 1064 nm: 6 kW/cm2 CW, 10 J/cm2 with 10 nsec pulses, typical
532 nm: 3 kW/cm2 CW, 5 J/cm2 with 10 nsec pulses, typical
354.7 nm: 2 kW/cm2 CW, 3 J/cm2 with 10 nsec pulses, typical
266 nm: 1.5 kW/cm2 CW, 2 J/cm2 with 10 nsec pulses, typical
HE.1: 40 J/cm2 with 20 nsec pulses, 20 Hz, at 1064 nm, typical
HE.2: 8 J/cm2 with 20 nsec pulses, 20 Hz, at 532 nm typical |
| | Model | Description |
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10Q20HE.1
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 45°, 1064 nm
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10Q20HE.2
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 45°, 532 nm
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10QM20HDM.10
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 0°, 1064 & 532 nm
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10QM20HDM.15
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 45°, 1064 & 532 nm
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10QM20HM.10
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 0°, 1064 nm
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10QM20HM.15
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 45°, 1064 nm
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10QM20HM.30
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 0°, 532 nm
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10QM20HM.35
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 45°, 532 nm
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10QM20HM.40
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 0°, 354.7 nm
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10QM20HM.45
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 45°, 354.7 nm
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10QM20HM.70
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 0°, 266 nm
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10QM20HM.75
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High-Energy Nd:YAG Laser Mirror, 25.4 mm Diameter, 6.35 mm, 45°, 266 nm
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20QM20HM.15
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High-Energy Nd:YAG Laser Mirror, 50.8 mm Diameter, 9.53 mm, 45° , 1064 nm
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20QM20HM.35
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High-Energy Nd:YAG Laser Mirror, 50.8 mm Diameter, 9.53 mm, 45° , 532 nm
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20QM20HM.45
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High-Energy Nd:YAG Laser Mirror, 50.8 mm Diameter, 9.53 mm, 45° , 354.7 nm
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20QM20HM.75
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High-Energy Nd:YAG Laser Mirror, 50.8 mm Diameter, 9.53 mm, 45° , 266 nm
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