4x0.5 mm N-BK7 Step Optical Window, AR Coated

Product description

The N-BK7 step window is designed to meet the demands of various optical applications, providing high transmittance of 90% or higher with anti-reflective (AR) coatings. Its customizable dimensions, ranging from 4.0 mm to 350.0 mm in diameter and 0.5 mm to 50.0 mm in thickness, make it suitable for a wide range of projects. This window is ideal for applications requiring clarity and reduced glare, ensuring optimal performance in IR imaging, LIDAR, and medical devices.

Key Features

High transmittance of 90% or higher with AR coating for enhanced clarity.
Custom sizes available, with diameters from 4.0 mm to 350.0 mm.
Thickness options from 0.5 mm to 50.0 mm for versatile applications.
OEM/ODM support for tailored solutions to meet specific project needs.
CNC cutting with a dimension tolerance of +/-0.05 to 0.1 mm for precision.

Available Sizes

Diameter x Thickness (mm)
177 x 25.2

Specification Summary

Item	Value
Material	N-BK7
Shape	Step
Diameter	4 mm
Thickness	0.5 mm
Coating	anti-reflective (AR)
MOQ	—

Full Specifications

Parameter	Value
Type	plano
Customized Support	OEM, ODM, OBM
Warranty	1 years
Weight	as need
Chamfer	0.25*45 degree or as needed
Transmission	90% or higher with AR coating
Sample	sample can be provided or customize

FAQ

Can I get custom sizes?

Yes, custom sizes are available, with diameters ranging from 4.0 mm to 350.0 mm.

What are the tolerances for dimensions?

The dimension tolerance for CNC cutting is +/-0.05 to 0.1 mm.