Relevant Quantities, their Symbols and Units Gigahertz-Optik

Table of Content

1 Properties and Concepts of Light and Color
1 Properties and Concepts of Light and Color 1.1 The Optical Radiation Wavelength Range 1.2 The Measures of a Wave: Velocity, Amplitude, Wavelength and Frequency 1.3 Spectra of Various Light Sources 1.4 Basic Radiometric Quantities 1.5 Calculation of Radiometric Quantities (Examples) 1.6 Spectral Sensitivity of the Human Eye 1.7 Basic Photometric Quantities 1.8 Reflection, Transmission and Absorption 1.9 The Perception of Color 1.10 Colorimetry 1.11 Defining Properties of a Spectral Line
2 Measurement of Light with Integral Detectors
2 Measurement of Light with Integral Detectors 2.1 The Detector’s Input Optics and its Directional Sensitivity 2.2 Spectral Sensitivity of an Integral Detector 2.3 The Detector’s Time Behavior 2.4 The Detector’s Dynamic Range
3 Measurement of Light with Spectral Radiometers (Spectroradiometers)
3 Measurement of Light with Spectral Radiometers (Spectroradiometers) 3.1 Setup of a Spectroradiometer 3.2 Parameters of a Spectroradiometer
4 Calibration of Detectors
4 Calibration of Detectors 4.1 Traceability: An Unbroken Chain of Transfer Comparisons 4.2 ISO / IEC / EN 17025 (formerly ISO Guide 25 and EN 45001) 4.3 Calibration Quantities 4.4 Calibration Standards
5 Detector Signal Measurement
6 Theory and Applications of Integrating Spheres
6 Theory and Applications of Integrating Spheres 6.1 Theory of the Ideal Integrating Sphere 6.2 Real Integrating Spheres 6.3 Self-Absorption Correction with an Integrating Sphere
7 Applications for Light Measurement in Medicine, Technology, Industry and Environmental Science
7 Applications for Light Measurement in Medicine, Technology, Industry and Environmental Science 7.1 Phototherapy and Radiation Protection 7.2 Plant Physiology 7.3 UV-Disinfection and Lamp Control 7.4 UV Curing and UV Processing 7.5 Colorimetry 7.6 Photostability 7.7 Telecommunication 7.8 LED Measurements 7.9 Nondestructive Testing 7.10 Transmission and Reflection
8 Appendix
8 Appendix 8.1 Relevant Quantities, their Symbols and Units 8.2 Summary of Radiometric and Photometric Quantities 8.3 National Calibration Laboratories 8.4 Most Relevant CIE, DIN and ISO Publications and Regulations

Quantity	Symbol	Unit(s)
Wavelength	λ	1 nanometer = 1 nm = 10^-9 m 1 Ångstrøm = 1 Å = 10^-10 m
Power	P	1 Watt = 1 W
Solid angle	Ω	1 steradian = 1 sr
Radiant power or radiant flux	Φ_e	1 Watt = 1 W
Radiant intensity	I_e	1 W sr^-1
Radiance	L_e	1 W sr^-1 m^-2
Irradiance	E_e	1 W m^-2
Radiant exitance	M_e E_e	1 W m^-2 1 W m^-2
Luminous flux	Φ_v	1 lumen = 1 lm photopic: 1 lm corresponds to Φ_e = 1 / 683 W at λ_m = 555 nm skotopic: 1 lm corresponds to Φ_e = 1 / 1700 W at λ'_m = 507 nm
Luminous intensity	I_v	1 candela = 1 cd = 1 lm / sr
Luminance	L_v	1 lm sr^-1 m^-2 = 1 cd m^-2 = 1 nit 1 stilb = 1 sb = 1 cd m^-2 1 apostilb = 1 asb = 1 / π cd m^-2 1 lambert = 1 L = 104 / π cd m^-2 1 foot-lambert = 1 fl = 3.426 cd m^-2
Illuminance	E_v	1 lux = 1 lx = 1 lm m^-2 1 phot = 1 ph = 10⁴ lx 1 foot-candle = 1 fc = 1 lm ft^-2 = 10.764 lx
Luminous exitance	M_v E_e	1 lm m^-2 1 W m^-2
Spectral radiant power	Φ_λ(λ)	1 W nm^-1
Spectral radiant intensity	I_λ(λ)	1 W sr^-1 nm^-1
Spectral radiance	L_λ(λ)	1 W sr^-1 m^-2 nm^-1
Spectral irradiance	E_λ(λ)	1 W m^-2 nm^-1
Spectral radiant exitance	M_λ(λ) E_e	1 W m^-2 1 W m^-2

Please note: Units in italics are not SI units, not consistent with CIE regulations and should not be used!

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8.1 Relevant Quantities, their Symbols and Units

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