Delta Optical Thin Film has launched several LED and laser bandpass filters optimised for specific LED and laser wavelengths. They combine large angular tolerance with high transmission

Last month Delta Optical Thin Film invited the public to send in their suggestions for a new name for its linear variable bandpass filters for Hyperspectral Imaging. The name it chose was Bifrost

Edinburgh Biosciences and Delta Optical Thin Film announce the release of a new type of laser attenuator that is based on Delta's proprietary linear variable filter technology