5x25 mm N-BK7 Round Optical Window, AR Coated

Product description

The N-BK7 round window is designed for applications in the 400-700 nm wavelength range, making it ideal for various optical systems, including imaging and laser applications. With a diameter range of 5 mm to 1000 mm and thickness options from 25 mm to 100 mm, this window provides flexibility for custom integration. The high surface quality of 40/20 ensures optimal performance in demanding environments, while the option for OEM and ODM support allows for tailored solutions to meet specific project requirements.

Key Features

Diameter range: 5 mm to 1000 mm for versatile application fit.
Thickness options: 25 mm to 100 mm to accommodate various designs.
Surface quality: 40/20 for high optical clarity and performance.
Customizable support available (OEM, ODM) for tailored solutions.
Diameter tolerance: ±0.5 mm ensuring precise fit in assemblies.

Available Sizes

Diameter x Thickness (mm)
502.5 x 62.5

Specification Summary

Item	Value
Material	N-BK7
Shape	Round
Diameter	5 mm
Thickness	25 mm
Surface Quality	40/20
Coating	anti-reflective (AR)
Transmission bands	VIS (400-700 nm)
MOQ	—

Full Specifications

Parameter	Value
Type	flat, plano
Customized Support	OEM, ODM
Warranty	1 month
Weight	customization
Substrate	N-BK7, H-K9L, JGS1
Diameter Tolerance	±0.5 mm
Thickness Tolerance	±0.25 mm
Surface Flatness	Lambda/10 @632.8nm
Parallelism	≤30 arcsec
Clear Aperture	>90%
Bevel	Protective Bevel

FAQ

What are the available custom sizes?

Custom sizes range from 5 mm to 1000 mm in diameter and 25 mm to 100 mm in thickness.

What is the thickness tolerance?

The thickness tolerance is ±0.25 mm, ensuring consistent quality.