Custom Size BK7 Optical Filter, AR Coated

Product description

This ND filter made from BK7 optical glass is designed to reduce light intensity without altering color balance, making it ideal for laser and medical applications. With a transmittance of over 90%, it ensures minimal loss of light while providing high precision and durability. The filter’s AR coating enhances light transmission and reduces glare, making it suitable for demanding environments. Its customizable design allows for tailored solutions to fit specific measurement needs.

Key Features

Transmittance >90% for minimal light loss in critical applications.
Diameter tolerance of +0/-0.2mm ensures precise fit.
Thickness tolerance of ±0.2mm for consistent performance.
Parallelism < 5 arc minutes for accurate alignment.
Chamfer specifications of <0.2-0.5mm*45° for safe handling.

Applications

Laser, Medical

Specification Summary

Item	Value
Material	BK7
Size	Custom
Thickness	Custom
Surface Quality	80/50
Transmittance	90%
Filter Type	nd
Coating	anti-reflective (AR)

Full Specifications

Parameter	Value
Transmittance	>90%; 90%
Diameter Tolerance	+0/-0.2mm
Thickness Tolerance	±0.2mm
Parallelism	< 5 arc minute
Chamfer	<0.2-0.5mm*45°

FAQ

Can I get custom sizes for this ND filter?

Custom sizes are available, allowing for tailored solutions to meet specific application needs.

What are the tolerances for diameter and thickness?

Diameter tolerance is +0/-0.2mm, and thickness tolerance is ±0.2mm, ensuring high precision.