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Phone: +49 (0)8193-93700-0

Gigahertz-Optik, Inc. (US office)
Phone: +1-978-462-1818


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Spectral Radiant Flux / Luminous Flux Calibration Standards

Standard lamps calibrated in luminous flux and spectral radiant flux. Versions with 2-Pi and 4-Pi emission characteristics. Traceable calibrations in the wavelength range from 200 nm to 2500 nm.

Tungsten halogen and deuterium lamp based spectral flux / luminous flux calibration standards. Geometry 2-Pi and 4-Pi.

Model Image Lamp type CCT (typ.) Wavelength range / nm Spectral Radiant flux (typical) Light Output port Remark
BN-LHSF-AP-100 BN-LHSF-AP-100 100 W tungsten-halogen 3150K

(380-830) nm

Option (280-1100) nm

4.32 mW @ 380 nm

55.68 mW @ 780 nm

4Pi Spectral radiant flux with (4-Pi) irradiation for integrating spheres
BN-LHSF-2P-20 BN-LHSF-2P-20 100 W tungsten-halogen 3100K

(380-830) nm

Option (280-1100) nm

0.245 mW @ 360 nm

5.440 mW @ 830 nm      

20 mm Ø 2-Pi Spectral radiant flux with hemispherical (2-Pi) irradiation

(360-830) nm

35 mW/nm @ 550 nm

9.5 mm Ø 2-Pi LED Based Calibration Standard Lamp for 2π Total Radiant Power and Luminous Flux. "CIE reference spectrum L41" compliant with CIE 251:2023
BN-LDSF-2P BN-LDSF-2P 30W deuterium n/a

(200-400) nm


2-Pi Mounts directly on integrating sphere port