Several light sources produce light across various wavelengths. While this wavelength spectrum can be useful in lighting applications, other applications require light with a restricted visible ...

Knight Optical can offer infra-red interference longpass filters for use in Infrared Photography. We supply a range of infra-red interference longpass filters for a range of applications. All ...

With the recent application of nano-photonic interference filter technology, XYZ color sensing is moving out of the realm of laboratory instrument into more mainstream applications, including in-situ ...

Knight Optical can offer UV interference bandpass filters for use in Astronomy. We supply a range of UV interference bandpass filters for a range of applications – all individually QA checked and ...

An unassuming and typical industrial estate on the outskirts of Liverpool is perhaps not the obvious place you’d expect to find EMC/EMP filter equipment that is integral to a myriad of high-tech end ...

A DESCRIPTION is given in the of December 27 of experiments on the suppression of radio interference produced by trolley buses, carried out by Post Office engineers in several towns. At Southend, ...