Products & Solutions

Linear variable filter

Linear variable filters enable the continuous extraction of multiple wavelengths by coating a glass substrate with a film whose thickness varies linearly in one direction. They can be configured as bandpass, shortpass, or longpass types.

Usage

Industrial equipment
Space/Astronomy

Hyperspectral Cameras
Component Analysis
Color Measurement
Compact Spectrometers

Function

Wavelength

Inquiry

Features

A linear variable filter (LVF) coats a filter with spectral characteristics that change continuously in a line within a single substrate.
By changing the position of the light incident on the filter, the transmission spectrum can be changed continuously.

The membrane design can be tailored to the target application and can be produced not only as a band-pass filter-type, but also as a long-pass filter or short-pass filter-type.
The size of the linear variable filter can be set at will, and can be manufactured with a long side of 10 mm or less.
Linear variable filters use high density metal oxide film, so they have high durability.