3 mm N-BK7 Round Optical Window, AR Coated

Product description

N-BK7 plano windows provide exceptional optical performance in the 400-700 nm and <400 nm bands, making them ideal for medical applications. With a high surface quality of 60/40 and customizable options, these windows ensure minimal beam deviation and reliable protection for sensitive components. Their versatility in size (diameter from 3.0 to 300.0 mm) allows for integration into various systems, meeting the demands of R&D and procurement engineers.

Key Features

Diameter range: 3.0 to 300.0 mm for versatile application fit.
Surface quality of 60/40 ensures high clarity and minimal distortion.
Parallelism of 3’ minimizes beam deviation for precision applications.
Clear aperture ≥90% maximizes light transmission efficiency.
Available with AR, uncoated, or HR coatings for tailored performance.

Applications

Medical

Specification Summary

Item	Value
Material	N-BK7
Shape	Round
Diameter	3 mm
Thickness	Custom
Surface Quality	60/40
Coating	anti-reflective (AR), uncoated, high-reflective (HR)
Transmission bands	VIS (400-700 nm), UV (<400 nm)
MOQ	—

Full Specifications

Parameter	Value
Customized Support	OEM
Substrate	N-BK7(K9)
Type	Plano Windows
Parallelism	3'
Surface Flatness	L/2
Bevel	Protective bevel as needed
Clear Aperture	≥90%

FAQ

What custom sizes are available?

Diameters range from 3.0 mm to 300.0 mm, allowing for various custom sizes.

What are the tolerances for surface flatness?

The surface flatness is specified at L/2, ensuring high precision.