Laser Protective Window LPW1120-3
Laser protective windows are mainly used in laser cutting to block splashed debris and prevent it from damaging lenses. Both sides have antireflection coatings with a high damage threshold (>15J/cm²) to reduce reflection. Applications include laser cutting and laser marking.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Diameter | 20 mm |
| Thickness | 3 mm |
| Coating Wavelength | 1028-1064 nm |
| Material | Fused Silica |
| Dimensional Tolerance | +0.0/-0.2mm |
| Thickness Tolerance | ±0.2mm |
| Surface Quality | 60/40 |
| Clear Aperture Dimension | >80% |
| Transmitted Wavefront Distortion [Per 25mm; @633nm] | <λ@633nm per 25mm |
| Parallelism | <1minutes |
| Chamfer | Protective <0.5mmx45° |
| Coating | Antireflection coatings with high damage threshold on both faces |
| Residual Reflectance per Surface [@1028-1064nm; Angle of Incidence 0°; Single Surface] | <0.25% |
| Damage Threshold [20ns；20Hz；@1064nm] | >15J/cm² |
Datasheet
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Supplier Information
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