【O07】Absolute Cryogenic Radiometer Measurement System (Service is temporarily suspended from 2024/05/07; estimated to be resumed on 2025/06/30)

(1) Si Photodiode
(2) Ge Photodiode
(3) Trap Detector
(4) V(λ) Detector (detector-based scale realization)
(5) V(λ) Detector (substitution method)
(6) Luminous Intensity Standard Lamp

(1) Wavelength: (280 to 1100) nm
(2) Wavelength: (800 to 1700) nm 
(3) Wavelength: (330 to 1100) nm
(4)(5) Correlated color temperature: approximately 2856 K; illuminance: (40 to 6000) lx
(6) Correlated color temperature: approximately 2856 K; luminous intensity: (70 to 10000) cd

(1) Spectral responsivity: 0.38 % to 3.1 %(relative), depending on the wavelength
(2) Spectral responsivity: 0.36 % to 2.1 % (relative), depending on the wavelength
(3) Spectral responsivity: 0.18 % to 2.3 % (relative), depending on the wavelength
(4) Illuminance responsivity: 0.36 % (relative)
(5) Illuminance responsivity: 0.60 % (relative)
(6) Luminous intensity: 0.62 % (relative)