3 mm N-BK7 Round Optical Window, AR Coated

Product description

The N-BK7 plano windows are designed for applications in laser-cutting and medical fields, offering high transmittance across multiple bands, including 0.7-1.7 μm and 400-700 nm. These windows provide effective protection for optical devices while ensuring minimal loss of light. With a diameter range from 3.0 mm to 300.0 mm, they can be tailored to fit specific requirements, making them suitable for various optical systems.

Key Features

Material: N-BK7, ensuring high durability and optical performance.
Diameter range: 3.0 mm to 300.0 mm, accommodating diverse applications.
Surface quality: 60/40, providing reliable optical clarity.
Clear aperture: ≥90%, maximizing light transmission.
Parallelism: 3’, ensuring precision alignment in optical setups.

Applications

Laser Cutting, Medical

Specification Summary

Item	Value
Material	N-BK7
Shape	Round
Diameter	3 mm
Thickness	Custom
Surface Quality	60/40
Coating	anti-reflective (AR)
Transmission bands	NIR (0.7-1.7 μm), 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

Can I get custom sizes for these windows?

Yes, the N-BK7 plano windows are available in a diameter range from 3.0 mm to 300.0 mm, allowing for custom sizing.

What is the minimum order quantity (MOQ)?

The minimum order quantity (MOQ) is not specified, allowing for flexible procurement options.