2 mm Germanium Rectangle Optical Window

Product description

Germanium optical windows are essential for applications in thermal imaging and medical devices, covering the 8-14 μm band. These windows provide high performance with excellent surface quality (40/20) and low parallelism (≤ 3 Arc mins), ensuring reliable imaging and measurement. With options for uncoated and diamond-like carbon (DLC) coatings, these windows can be tailored to meet specific application requirements, making them ideal for demanding environments.

Key Features

Transmission range: 8-14 μm, suitable for thermal imaging applications.
Surface quality of 40/20 ensures minimal distortion for accurate imaging.
Low parallelism of ≤ 3 Arc mins enhances optical performance.
Available in diameters from 2.0 mm to 500.0 mm for various applications.
Coating options include uncoated and DLC for enhanced durability.

Applications

Thermal Imaging, Medical

Specification Summary

Item	Value
Material	Germanium
Shape	Rectangle
Diameter	2 mm
Thickness	Custom
Surface Quality	40/20
Coating	uncoated, diamond-like carbon (DLC)
Transmission bands	LWIR (8-14 μm), VIS (400-700 nm)
MOQ	—

Full Specifications

Parameter	Value
Bevel	0.25 mm*45°
Surface Flatness	≤ 5 Fringes (@633nm)
Parallelism	≤ 3 Arc mins

FAQ

Can I get custom sizes?

Yes, Germanium windows are available in diameters from 2.0 mm to 500.0 mm.

What are the tolerances for surface flatness?

The surface flatness is ≤ 5 Fringes (@633nm), ensuring high optical performance.