MZ1 25X4 MM Zinc Selenide IR Window for In-Situ Experiments
Price range: $129.00 through $162.00
25 × 4 mm Zinc Selenide (ZnSe) IR Window for In-Situ Experiments
Product Description
Zinc selenide (ZnSe) is a yellow transparent polycrystalline optical
material widely used for infrared optical components. It is suitable
for total reflectors, partial reflectors, beam expanders, field lenses,
mid-infrared windows and optical components used with 10.6 μm CO₂ lasers.
ZnSe is also used for plano-convex lenses, meniscus lenses,
gold-coated reflectors, circular polarizing optics, beam expanders and
other infrared optical systems. Typical applications include laser
systems, medical equipment, astronomy and infrared night-vision systems.
The material is resistant to deliquescence and provides good infrared
transmission. The stated wavenumber transmission range is
approximately 4000–650 cm⁻¹, with transmission greater than 68%.
The optical transmission range is approximately 0.5–15 μm.
CVD-produced ZnSe has very low impurity absorption and low scattering loss.
Available Sizes
| Diameter | Thickness |
|---|---|
| Φ10 mm | 2 mm |
| Φ13 mm | 2 mm |
| Φ15 mm | 1 mm |
| Φ15 mm | 2 mm |
| Φ22 mm | 1 mm |
| Φ25 mm | 2 mm |
| Φ25 mm | 4 mm |
| Φ32 mm | 3 mm |
Optical & Thermal Properties
| Optical Transmission Range | 0.5–15 μm |
| Wavenumber Range | 4000–650 cm⁻¹ |
| Transmission | >68% |
| Bulk Absorption Coefficient @ 10.6 μm | 0.0005 cm⁻¹ |
| Refractive Index Temperature Coefficient @ 10.6 μm | 61 × 10⁻⁶ /°C |
| Refractive Index Inhomogeneity @ 632.8 nm | <6 × 10⁻⁶ |
| Thermal Conductivity | 0.18 W/cm/°C |
| Specific Heat | 0.356 J/g/°C |
| Linear Thermal Expansion Coefficient @ 20°C | 7.57 × 10⁻⁶ /°C |
Material Characteristics
Zinc selenide is a yellow transparent polycrystalline material
with a typical crystal grain size of approximately 70 μm.
CVD ZnSe provides low impurity absorption and very low scattering loss,
making it suitable for infrared optical applications.
Its resistance to deliquescence and broad infrared transmission range
make ZnSe suitable for optical windows and components used in
laboratory spectroscopy, laser systems and infrared experiments.
Customization
Other diameters and thicknesses can be customized according to
customer requirements. Please contact us for detailed specifications
and custom size options.
| Size | 25X2 MM ZnSe IR Window, 25X4 MM ZnSe IR Window |
|---|
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