MultiSpectrum software is used for calculation of the transmission and reflection spectra of multilayer interference coatings, as well as the intermediate spectra of each coating layer.
The application of the MultiSpectum software together with AKRA and IRIS optical monitoring systems represents a powerful combination for production of optical coatings virtually of any complexity. The most valuable effect is achieved when producing non-quarterwavelength coatings - broadband AR coatings, cut-off filters, narrowband filters and multispectral coatings.
During the deposition process the operator uploads the required number of theoretical intermediate spectra of a particuar layer on process screen and compares them with the actual measured spectrum of the roduced coating. Such possibility helps to detect process errors at the earliest stages of coating run, interrupt the process, analyze and re-design the coating.