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CMCs General Physics (55)
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Properties of detectors and sources (55)
Responsivity, spectral, irradiance (11)
Responsivity, spectral, power (8)
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monoelemental solution
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United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Photometry and Radiometry for United Kingdom (.PDF file)
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.3
Double grating monochromator and reference detectors
Wavelength: 1001 nm to 1400 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.3 to 0.4 (depending on wavelength)
Double grating monochromator and reference detectors
Wavelength: 1401 nm to 1800 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Spectroradiometer. Measurand unit, A/(W m-2 nm), V/(W m-2 nm), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 7.3 to 3.2, varies with wavelength
Tungsten or deuterium reference lamps
Wavelength range: 200 nm to 400 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2)/nm
Other types of source can also be used
 
Responsivity, spectral, irradiance. Spectroradiometer. Measurand unit, A/(W m-2 nm), V/(W m-2 nm), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.9
Tungsten reference lamps
Wavelength range: 400 nm to 700 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2)/nm
Other types of source can also be used
 
Responsivity, spectral, irradiance. Spectroradiometer. Measurand unit, A/(W m-2 nm), V/(W m-2 nm), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.2 to 18, varies with wavelength
Tungsten reference lamps
Wavelength range: 700 nm to 2500 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2)/nm
Other types of source can also be used
 
Responsivity, spectral, radiance. Spectroradiometer. Measurand unit, A/(W-1 m-2 sr-1 nm-1), V/(W-1 m-2 sr-1 nm-1), reading/(W-1 m-2 sr-1 nm-1)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 9.5 to 2, varies with wavelength
Tungsten or deuterium reference sources
Wavelength range: 200 nm to 400 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2/sr)/nm
Other types of source can also be used
 
Responsivity, spectral, radiance. Spectroradiometer. Measurand unit, A/(W-1 m-2 sr-1 nm-1), V/(W-1 m-2 sr-1 nm-1), reading/(W-1 m-2 sr-1 nm-1)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2
Tungsten reference sources
Wavelength range: 400 nm to 700 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2/sr)/nm
Other types of source can also be used
 
Responsivity, spectral, radiance. Spectroradiometer. Measurand unit, A/(W-1 m-2 sr-1 nm-1), V/(W-1 m-2 sr-1 nm-1), reading/(W-1 m-2 sr-1 nm-1)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2 to 18, varies with wavelength
Tungsten reference sources
Wavelength range: 700 nm to 2500 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2/sr)/nm
Other types of source can also be used
 
Responsivity, laser, power. Laser power meter. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.5
Monochromator or laser with reference detectors
Wavelength: 250 nm to 5000 nm
Power level: 100 pW to 10 mW
Other types of detector can also be calibrated
 
Responsivity, laser, power. Laser power meter. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
Monochromator or laser with reference detectors
Wavelength: 9 µm to 11 µm
Power level: 100 pW to 10 mW
Other types of detector can also be calibrated
 
Responsivity, laser, power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.04
Laser or narrow band filter with reference detectors
Wavelength: 350 nm to 1600 nm
Power level: 100 pW to 1 mW
Other types of detector can also be calibrated
Approved on 07 May 2007
 
Responsivity, laser, energy. General detector. Measurand unit, A/J, V/J, reading/J, J
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2
Laser and reference meters
Wavelength: 532 nm
Energy level: 3E-03 J to 1.1 J
Type of detector: laser energy meter
Other types of detector can also be calibrated
 
Responsivity, laser, energy. General detector. Measurand unit, A/J, V/J, reading/J, J
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.3
Laser and reference meters
Wavelength: 1064 nm
Energy level: 3E-03 J to 1.1 J
Type of detector: laser energy meter
Other types of detector can also be calibrated
 
Irradiance, spectral. Tungsten lamp, 3E-05 W/(m2 nm) to 3E-02 W/(m2 nm)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.9 to 1.5 (with wavelength)
Spectroradiometer
Wavelength: 250 nm to 300 nm
Bandwidth: < 20 nm
Other types of source can also be measured
Approved on 20 April 2017
 
Irradiance, spectral. Tungsten lamp, 3E-05 W/(m2 nm) to 3E-02 W/(m2 nm)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.5
Spectroradiometer
Wavelength: 300 nm to 400 nm
Bandwidth: < 20 nm
Other types of source can also be measured
Approved on 20 April 2017