5x1 mm Germanium Round Optical Window, AR Coated

Product description

Germanium windows are essential for thermal imaging applications, providing broad transmission across multiple infrared bands (1.7-14 μm). Their inertness to various chemicals and high durability make them suitable for demanding environments. Available in sizes from 5 mm to 500 mm in diameter and customizable thicknesses from 1 mm to 20 mm, these windows can be tailored for specific applications, ensuring optimal performance in IR laser systems and other optical setups.

Key Features

Broad transmission range: 1.7-14 μm, ideal for thermal imaging and IR applications.
Customizable sizes: Available in diameters from 5 mm to 500 mm and thicknesses from 1 mm to 20 mm.
High durability: Knoop hardness of 780 ensures rugged performance in challenging environments.
Surface flatness: ≤λ/2 and parallelism <3 arcmin for precision optical performance.
Multiple coating options: AR, uncoated, HR, and DLC for tailored reflectance and transmission.

Available Sizes

Diameter x Thickness (mm)
252.5 x 10.5

Applications

Thermal Imaging

Specification Summary

Item	Value
Material	Germanium
Shape	Round
Diameter	5 mm
Thickness	1 mm
Coating	anti-reflective (AR), uncoated, high-reflective (HR), diamond-like carbon (DLC)
Transmission bands	LWIR (8-14 μm), MWIR (3-5 μm), SWIR (1.7-3 μm), VIS (400-700 nm)
MOQ	—

Full Specifications

Parameter	Value
Customized Support	OEM, ODM, OBM
Warranty	3 months
Surface Flatness	≤Lambda/2
Parallelism	<3 arcmin
Clear Aperture	>90%
Bevel	0.5mmx45°

FAQ

Can I get custom sizes for the germanium windows?

Yes, germanium windows are available in diameters from 5 mm to 500 mm and thicknesses from 1 mm to 20 mm.

What are the tolerances for diameter and thickness?

Diameter tolerance is ±0.1 mm and thickness tolerance is ±0.1 mm.