wavelength meter for measuring laser wavelength in a large field of laser applications, as well as in the process of alignment and testing of solid-state lasers, diode lasers, dye lasers and OPOs, mõõtevahend laserlainepikkuste mõõtmiseks laserrakenduste valdkonnas, samuti protsessi joondus ja katsetamise tahkislaserites, dioodi laserites, värvi laserites jms