99x4 mm ZnSe Round Optical Window

Product description

This round ZnSe window is designed for laser-cutting applications, particularly effective in the 8-14 μm infrared band. With a diameter of 99.0 mm and a thickness of 4.0 mm, it ensures high optical transmission (>99.5%) at 10.6 μm and 9.4 μm wavelengths, minimizing laser power loss. Its robust construction withstands high-energy density CO₂ laser radiation, making it ideal for demanding industrial environments.

Key Features

High optical transmission (>99.5%) at 10.6 μm and 9.4 μm, ensuring minimal laser power loss.
Designed for high laser damage threshold, preventing cracking or burning during operation.
Diameter tolerance of +0/-0.13 mm and thickness tolerance of ±0.25 mm for precise fitting.
Chemically resistant and mechanically robust, providing excellent protection for internal optics.
Suitable for various applications including laser cutting, engraving, and welding.

Available Sizes

Diameter x Thickness (mm)
99 x 4

Applications

Laser Cutting

Specification Summary

Item	Value
Material	ZnSe
Shape	Round
Diameter	99 mm
Thickness	4 mm
Surface Quality	60/40
Transmission bands	LWIR (8-14 μm)
MOQ	—

Full Specifications

Parameter	Value
Spare Parts Type	laser accessory
Wavelength	9.4/10.6μm; 9.4/10.6um
Accessory Type	combiner
Key Selling Points	Long Service Life
Warranty	Unavailable
Condition	New
Weight (Kg)	0.5
Diameter Tolerance	+0/-0.13mm
Thickness Tolerance	±0.25mm
Surface Flatness	lambda/4 per 1"@632nm

FAQ

Can I get custom sizes?

Yes, non-standard shapes and large-size windows can be tailored to specific optical path requirements.

What are the tolerances for diameter and thickness?

Diameter tolerance is +0/-0.13 mm, and thickness tolerance is ±0.25 mm.