Trichroid thin film polarisers for custom coatings
LASER COMPONENTS began production of optical coatings in 1986. Since production began, the company has been committed to consistency, quality and constant development. LASER COMPONENTS now has E-beam, IAD and IBS technology and is well equipped for challenging custom coating designs tailored to specific applications.
LASER COMPONENTS’ latest development is a trichroid thin-film polariser (TFP), which makes it possible to simultaneously separate the polarisation of three wavelengths. These optics have excellent reflectivity for s-polarisation in blue (450nm), green (520nm) and red (640nm) light, with p-polarisation being almost completely transmitted. These TFPs may be used to combine linearly polarised laser beams from different sources of the same or different wavelength, or conversely to separate unpolarised light at three wavelengths into the two polarisations.
This complex and challenging design is produced using LASER COMPONENTS’ ion beam sputtering (IBS) facility, which enables particularly compact layer structures with good reflectivity.
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