Continuously Variable Filters

Unrivalled flexibility with continuous tuning of center wavelength and bandwithLinear Variable FiltersContinuously Variable Filters (CVFs) – also known as Linear Variable…


Homogeneous Multi-Bandpass Filters

Get inspired by the products we have already made -  or let us design your custom Multi-Bandpass Filter Homogeneous Multi-Bandpass FiltersAn optical Multi-Bandpass Filter is a…


Polarisation Beamsplitters

A compact component to separate s- and p-polarisations effectively.Polarising Beamsplitters on a flatAn optical thin film based Polarising Beamsplitter transmits one…


Beamsplitter Cubes

Avoid beam offsets and ghosting with Beamsplitter CubesBeamsplitter CubesBesides flat Dichroic and Polarisation Beamsplitters Delta Optical Thin Film also manufactures…


Continuously Variable Filter Sets

Enable your application by using our amazing CVF setsContinuously Variable Filter SetsMany great applications have been enabled by combing several of our filters. Below you will…


Homogeneous Notch Filters

Get inspired by the products we have already made -  or let us design your custom Notch Filter Optical Notch FiltersOptical Notch Filters are components that block light in a…


Homogeneous Bandpass Filters

Get inspired by the products we have already made -  or let us design your custom Bandpass Filter Optical Bandpass FiltersOptical Bandpass Filters are spectrally selective…


About us

Our company visionStriving to improve the quality of life, we serve our OEM clients with innovative optical filtersOur CompanyDelta Optical Thin Film A/S is a privately owned…


Key Employees

Meet the team at Delta Optical Thin FilmPeople you might meet at Delta Optical Thin Film


Über uns

Unsere UnternehmensvisionUm die Lebensqualität zu verbessern, beliefern wir unsere OEM-Kunden mit innovativen optischen FilternOur CompanyDelta Optical Thin Film A/S is a…