Light calculations and measurements : an introduction to the system of quantities and units in light-technology, and to photometry

Determination of luminous flu~ from the light distribution or from an isolux diagram . . 355 7. Measurement of quantity of light . . 355 8. Measurement of luminous emittance . Front Matter....Pages I-XVII Introduction....Pages 1-17 Solid Angle....Pages 18-24 Luminous Flux, Luminous Intensity, Quantity of Light....Pages 25-38 Light Distribution, Rousseau and Zonal Luminous Flux Diagrams....Pages 39-59 Methods of Representing Light Distribution....Pages 60-77 Illumination....Pages 78-87 Illumination Calculations and Diagrams....Pages 88-103 Luminance and Luminous Emittance....Pages 104-114 Non-Point Sources....Pages 115-145 Reflection, Absorption, Transmission....Pages 146-189 Properties of Optical Systems....Pages 190-232 The Photometric Measuring-units System....Pages 233-259 Front Matter....Pages 261-261 General Considerations....Pages 263-272 Visual Photometry and Photometers....Pages 273-294 Physical Photometers and Photometry....Pages 295-320 Measurement of Luminous Intensity....Pages 321-334 Measurement of Luminous Flux, Quantity of Light, and Luminous Emittance....Pages 335-358 Measurement of Illumination....Pages 359-366 Measurement of Luminance....Pages 367-380 Measurement of Reflection, Transmission and Absorption....Pages 381-399 Back Matter....Pages 401-430