Zinc Sulfide Lens

Zinc Sulfide Lens

Supplier
Ootee
Category
Optical Lenses
Origin
China

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

ParameterValue
Lens Aperture Range3mm-70mm
Edge Thickness Range≥0.7mm
Center Thickness Range≥1mm
Sag Processing Range≤21mm
Aperture to Center Thickness Ratio17
Surface Flatness Pv0.1μm
Roughness Ra4nm-10nm

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Supplier Information

Jiangxi Ootee Optics Co., Ltd. is a high-tech enterprise specializing in the production and sales of precision optical components, with complete production lines for cold processing of flat mirrors, cold processing of spherical mirrors, cold processing of cylindrical mirrors, aspheric processing, and optical coating. The production technology of infrared optical components is mature, capable of small-batch trial production and large-scale production. It has the capability of optical application design and coating design, providing customers with comprehensive and reasonable product solutions. Advanced testing technology is the foundation of quality assurance. Our company is mainly equipped with spectrophotometers, laser interferometers, image measuring instruments, Fourier transform infrared spectrometers and other testing equipment to ensure the accuracy of products in terms of dimensions, surface accuracy, radius of curvature, focal length, coating indicators, surface measurement, etc.

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