Thorlabs manufactures a wide selection of narrowband and broadband free-space optical isolators (Faraday isolators) that operate in spectral ranges from 395 nm to 2100 nm, including high-power options, as well as fiber isolators designed for wavelength ranges from 770 nm to 2010 nm in both polarization-dependent and polarization-independent versions. For customers whose needs are not met by our stock selection, we offer a custom isolator service that can combine the best features across our entire isolator family.