Spectrogon US Inc. - Mountain Lakes, NJDesigner and manufacturer of interference filters: narrow and broad bandpass, long- and shortwave, ND filters, atmospheric windows, AR and metallic coatings. Holographic diffraction gratings: plano, concave and blazed, pulse compression/stretcher gratings. WDM and telecom applications include diode laser tuning gratings and network communications gratings.
Iridian Spectral Technologies - Ottawa, CanadaIridian Spectral Technologies, an IDEX Optical Technologies company, provides custom, wavelength selective optical filter solutions for communications (telecom, datacom, lasercom/satcom), spectroscopy (Raman, fluorescence), remote sensing (EO, lidar), and more applications. Our optical filters cover the spectral range from UV 300 nm to LWIR 15 microns.