WE ARE THE OPTICAL FILTER COMPANY.
Building on six decades of pushing the limits of technology we design and manufacture
high-performance optical filter solutions, helping our OEM customers to develop instruments with unique benefits
and enable new applications for their users.
Filter design and production involve many interdependent steps. Click on the hot spots in the illustration below and learn more about the process steps and the interaction between you, our sales, development and production departments that finally lead from your idea to the filter you need.
What Do We Do?
Delta Optical Thin Film A/S specialises since the 1960s in custom designing and manufacturing high performance optical filters for discerning OEM customers. With its unique and advanced optimisation software to match customers’ particular optical specifications, Delta ensures a fast and efficient design process.
Our optical filters are found world-wide in a variety of applications, for example hyperspectral imaging, fluorescence microplate readers, fluorescence microscopy, fluorescence spectroscopy, mini spectrometers, optical coherence tomography, LED quality assessment or Point of Care (PoC) diagnostics.
Our product range of optical filters comprises, continuously variable filters, fluorescence filter sets, bandpass filters, short wave pass filters, long wave pass filters, dichroic and polarisation beamsplitters, AOI tolerant dichroic beamsplitters, beamsplitter cubes and SMART™ coatings in the UVA/VIS/NIR range.