| Specification |
After-sales Service: Shelf Life One Year (Under Normal Use Conditions);
Warranty: Shelf Life One Year (Under Normal Use Conditions);
Customized: Customized;
Doping Concentration: ND: 0.1-1.4 at%, CE: 0.05-0.1 at%;
Crystal Orientation: <111> ± 5°;
Transmitted Wavefront Distortion: ≤ 0.1λ/Inch;
Extinction Ratio: ≥ 25 dB;
Cylindrical Surface Processing: Fine Grinding, Polishing, Threading;
End Face Parallelism: ≤ 10″;
End Face Flatness: λ/10 @ 632.8 Nm;
Surface Quality: 10/5 (Mil-O-13830A Standard);
Laser Damage Threshold of Coating: ≥ 5 J/Cm² @ 1064 Nm, 10 Ns, 10 Hz;
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Warranty: 1 Month;
Usage: Lighting, Medical, Optical, Photography;
Type: Fresnel Lens;
Transmittance: 90%-95%;
Shape: Fresnel Lens;
Material: PMMA;
Lenses Color: Transparent;
Customized: Customized;
Coating: Customized;
Key: Fresnel Lens;
Diameter: 2-250mm;
Radius: 5mm;
Clear Aperture: 90%;
Surface Flatness: Lambda/4, Lambda/2 or as Reques;
Surface Roungh: 10/5, 80/50 or Better;
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Warranty: 1 Month;
Usage: Lighting, Medical, Optical, Photography;
Type: Fresnel Lens;
Transmittance: 90%-95%;
Shape: Fresnel Lens;
Material: PMMA;
Lenses Color: Transparent;
Customized: Customized;
Coating: Customized;
Key: Fresnel Lens;
Diameter: 1000mm;
Radius: 5mm;
Clear Aperture: 90%;
Surface Flatness: Lambda/4, Lambda/2 or as Reques;
Surface Roungh: 10/5, 80/50 or Better;
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Warranty: 1 Month;
Usage: Lighting, Medical, Optical, Photography;
Type: Fresnel Lens;
Transmittance: 90%-95%;
Shape: Fresnel Lens;
Material: PMMA;
Lenses Color: Transparent;
Customized: Customized;
Coating: Customized;
Key: Fresnel Lens;
Diameter: 2-250mm;
Radius: 5mm;
Clear Aperture: 90%;
Surface Flatness: Lambda/4, Lambda/2 or as Reques;
Surface Roungh: 10/5, 80/50 or Better;
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Warranty: 1 Month;
Usage: Lighting, Medical, Optical, Photography;
Type: Convex Lens;
Transmittance: 90%;
Shape: Convex Lens;
Material: Glass;
Lenses Color: Transparent;
Customized: Customized;
Coating: Polished;
Name: Double Convex Lens;
Key: Optical Lens;
Diameter: 2-250mm;
Radius: 5mm;
Clear Aperture: 90%;
Surface Flatness: Lambda/4, Lambda/2 or as Reques;
Surface Roungh: 10/5, 80/50 or Better;
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