Custom Size BK7 Optical Filter

Product description

This longpass filter is designed for applications requiring effective light transmission beyond 1110 nm, making it ideal for face identification and other infrared applications. With a transmittance of over 90% in the range of 1115-1200 nm and excellent blocking (OD4) from 200-945 nm, it ensures minimal interference from unwanted wavelengths. The filter is compatible with various substrates, including BK7, K9, and fused silicon, providing versatility in optical setups.

Key Features

Transmittance >90% @1115-1200 nm for high light efficiency.
OD4 blocking from 200-945 nm to minimize unwanted light interference.
Compatible with BK7, K9, and fused silicon substrates for diverse applications.
Available in multiple standard sizes (D8 to D25.4) or custom designs.
1 Piece minimum order quantity for flexible sourcing.

Specification Summary

Item	Value
Material	BK7
Size	Custom
Thickness	Custom
Transmittance	90%
Filter Type	longpass
Cwl	1110nm
Transmission bands	NIR (0.7-1.7 μm)
MOQ	1 Piece

Full Specifications

Parameter	Value
Warranty	3 Years
Item	Long Pass Filter
Process	IAD Hard Coating
Substrate	BK7,K9, Fused Silicon
Wavelength	1110nm
Transmittance	>90% @1115-1200
Blocking	OD4 @200-945
Size(Mm)	D8,D10,D12,D12.5,D12.7,D15,D25,D25.4 or Customer Design
Moq	1 Piece
Use	Face Identification,and so on

FAQ

Can I order a custom size?

Yes, custom sizes are available alongside standard sizes ranging from D8 to D25.4.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

Custom Size BK7 Optical Filter

Core attributes

Key attributes