3 mm ZnS Optical Window, AR Coated

Product description

This optical window made from high-quality Zinc Sulfide (ZnS) is designed for thermal imaging applications, providing excellent infrared transmission in the 3-5 μm and 8-14 μm bands. With precision polishing for low scattering and high surface accuracy, it ensures reliable optical performance for MWIR and LWIR systems. Its customizable options make it ideal for various applications, including infrared cameras and night vision systems.

Key Features

High transmission efficiency in 3-5 μm and 8-14 μm bands, enhancing signal quality.
Surface quality rated at 20/10, ensuring low scattering and excellent optical clarity.
Dimension tolerance of ± 0.1 mm for precise fitting in optical systems.
Clear aperture greater than 90%, maximizing light throughput.
Available in diameters from 3.0 mm to 500.0 mm for versatile applications.

Applications

Thermal Imaging

Specification Summary

Item	Value
Material	ZnS
Diameter	3 mm
Thickness	Custom
Surface Quality	20/10
Coating	anti-reflective (AR)
Transmission bands	LWIR (8-14 μm), MWIR (3-5 μm)
MOQ	—

Full Specifications

Parameter	Value
Type	Optical Window
Customized Support	OEM, ODM, OBM
Warranty	1 Year
Weight	1
Bevel	0.1-0.5mmx45°
Dimension Tolerance	± 0.1mm
Thickness Tolerance	± 0.1mm
Parallelism	30 arc sec
Clear Aperture	>90%
Flatness	Lambda/4 at 632.8nm

FAQ

Can I get custom sizes?

Yes, the optical window is available in various diameters and thicknesses to meet specific application needs.

What are the tolerances for dimensions?

The dimension tolerance is ± 0.1 mm, and thickness tolerance is also ± 0.1 mm.