20x2 mm N-BK7 Optical Window, AR Coated

Product description

This N-BK7 optical window is designed for applications in the 0.7-1.7 μm and 400-700 nm bands, making it ideal for use in military, laser, and optical instrumentation. With a diameter of 20 mm and a thickness of 2 mm, it offers a surface quality of 60/40, ensuring reliable performance in demanding environments. The anti-reflective (AR) coating enhances transmittance, making it suitable for high-precision applications.

Key Features

Diameter of 20 mm and thickness of 2 mm for versatile application fit.
Surface quality of 60/40 ensures minimal distortion and high clarity.
AR coating improves transmittance across specified wavelengths.
Manufactured from N-BK7 for excellent optical performance.
Custom OEM support available for tailored solutions.

Available Sizes

Diameter x Thickness (mm)
20 x 2

Specification Summary

Item	Value
Material	N-BK7
Diameter	20 mm
Thickness	2 mm
Surface Quality	60/40
Coating	anti-reflective (AR)
Transmission bands	NIR (0.7-1.7 μm), VIS (400-700 nm)
MOQ	—

Full Specifications

Parameter	Value
Type	window
Customized Support	OEM
Weight	0.2
Diameter Tolerance	+0.0, -0.1mm

FAQ

Can I get custom sizes?

Yes, custom sizes are available, with options ranging from 0.5 mm to 500 mm in diameter.

What is the tolerance for diameter?

The diameter tolerance is +0.0, -0.1 mm.