Zinc Sulfide Lens
Zinc sulfide (ZnS) is widely used in the production of infrared optical components such as infrared windows, fairings and lenses. It has the characteristics of high purity, insoluble in water, moderate density and easy processing. Zinc sulfide (ZnS) has good refractive index uniformity and consistency, and has good image transmission performance in the 8-12μm band, but some parts begin to absorb after 10um
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Overview
Zinc sulfide (ZnS) is widely used in the production of infrared optical components such as infrared windows, fairings and lenses. It has the characteristics of high purity, insoluble in water, moderate density and easy processing. Zinc sulfide (ZnS) has good refractive index uniformity and consistency, and has good image transmission performance in the 8-12μm band, but some parts begin to absorb after 10um. The transmittance is high in the mid-infrared band, and as the wavelength becomes shorter, absorption and scattering increase. Zinc sulfide (ZnS) has strong resistance to harsh environments, high hardness and twice the breaking strength of zinc selenide (ZnS). Tough front optics for zinc sulfide (ZnS) thermal imaging systems for use in the infrared window and thermal band (8 to 14 μm). Single crystal zinc sulfide (ZnS) is available but less common. Scattering is very low in the commonly used spectral range. While strictly controlling the bulk absorption and internal structural defects of the material, it can be used as a high-power laser device using minimally damaging polishing technology and a coating process with higher optical quality. Zinc sulfide (ZnS) oxidizes significantly at 300°C, shows plastic deformation at about 500°C, and dissociates at about 700°C. For safety reasons, zinc sulfide windows should not be used above 250°C in normal atmospheres. Our Zinc Sulfide (ZnS) lenses and Zinc Sulfide (ZnS) windows are also available with AR coatings upon specific request. Please use extreme caution when handling, fitting and cleaning zinc sulfide lenses and, for your safety, follow all appropriate precautions, including wearing gloves when handling these lenses and washing your hands thoroughly after handling
Specifications
| Parameter | Value |
|---|---|
| Lens Aperture Range | 3mm-70mm |
| Edge Thickness Range | ≥0.7mm |
| Center Thickness Range | ≥1mm |
| Sag Processing Range | ≤21mm |
| Aperture to Center Thickness Ratio | 17 |
| Surface Flatness Pv | 0.1μm |
| Roughness Ra | 4nm-10nm |
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Supplier Information
<p>Jiangxi Oute Optical Co., Ltd. is a high-tech enterprise specializing in R&D, production, and sales of precision optical components. It has complete production lines for flat, spherical, cylindrical, and aspherical optics as well as optical coating. Main products include optical filters, optical lenses, infrared lenses, windows, laser mirrors, laser radar lenses, and infrared lenses. The company is equipped with spectrophotometers, laser interferometers, and other inspection equipment to provide comprehensive solutions.</p>
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