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ZnSe Focus Lens

ZnSe lens is a good material for CO2 laser cutting and engraving machine, We select excellent material from USA, High transmission and high quality surface roughness. With high quality, we produce ZnSe plano convex lens, ZnSe plano concave lens, ZnSe meniscus lens, Znse ball lens, and custom size ZnSe.

Product Details

Zinc Selenide (ZnSe) plane-convex (PCX) lenses are designed for focusing or collimating applications in mid - and long-wave infrared spectroscopy.These lenses are made of iI-VI infra-red zinc selenide material with a volumetric absorption coefficient of <0.0005cm-1 at 10.6µm wavelengths and are available in non-coated or a variety of broadband antireflective coating options.8-12µm coatings are ideal for use with CO2 lasers and thermal camera applications, while dual-band 3-12µm coatings are suitable for hyperspectral applications.

CHARACTERISTICS OF ZNSE:

-Spectral range is 2-15μm

-Low absorption coefficient and high thermal stability, good thermal shock resistance.

-Coating Available:2-3um,3-10um,4-12um,10.6um


APPLICATION OF ZNSE

-ZnSe Crystal is used in the field of spectral analysis, laser optics, astronomy, medical instruments, infrared night vision, thermal imaging, infrared imaging, etc

-ZnSe Crystal is also a good choice for CO2 laser components.The transmittance is good around the band of 10.6 microns in which the CO2 laser operates.ZnSe material is a yellow transparent polycrystalline material with crystal particle size of about 70μm and transmittance range of 0.5-15μm.The synthesized by chemical vapor deposition (CVD) has almost no impurity absorption and very low scattering loss.Because the absorption of 10.6μm wavelength is very small, it is the preferred material for fabrication of optical devices in high power CO2 laser system.In addition, in the whole transmittance band, it is also widely used in different optical systems.

SPECIFICATIONS OF ZNSE

Diameter5mm to 250mm
Thickness0.5-40mm
MaterialImport USA ZnSe,China ZnSe
Surface Quality60-40  standard
Flatness1/10 lambda
Chamfer0.25mmx45degree
Focal Length Tol.+/-1%
Coating Wavelength8um-12um
Clear Aperture>85% of diameter
Design Wavelength10.6um

ZnSe Prism


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