Category : Optics (components, coatings, instruments and systems) > Optical instrumentation, systems and accessories

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The OL 345 Calibration Standard consists of a 45 Watt tungsten-halogen lamp and a removable flashed opal diffuser mounted in an air-cooled cylindrical housing. With the diffuser in place, the uniformly radiating 15.5 cm2 source serves as standard of spectral radiance over the wavelength range of 350 nm to 1100 nm and as a standard of luminance. When the diffuser is removed, the OL 345 serves as a standard of spectral irradiance over the 250 to 2500 nm wavelength region and as a standard of illuminance.

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List of all articles in this sub-category Optical instrumentation, systems and accessories

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