You are here: http://www.DAD-opto.de --> home/english --> index --> sample texts --> Light Measurement Essay --> Para. 10


M E A S U R I N G   L I G H T (continued)

10. Key Word Index (A...E)
--------------------------


In the text of the paragraphs, all keywords are enhanced by using KAPITAL LETTERS.

In the index, all items are sorted "naturally": don't search for "photometer, bunsen", but for "bunsen photometer".


Letters A...E are here.    goto letters F...L    goto letters M...R    goto letters S...Z



key word short description paragraph + hyperlink
"e"-index index discerning radiometric from photometric quantity 4.0 Radiometry/General
"lumi"-name name part discerning photometric from radiometric quantity 4.0 Radiometry/General
"radi"-name name part discerning radiometric from photometric quantity 4.0 Radiometry/General
"v"-index index discerning photometric from radiometric quantity 4.0 Radiometry/General
(Omega) symbol for the quantity 'solid angle' 4.2.2 Solid Angle  (Omega)
(Phi) symbol for the quantity '(luminous) flux' 5.1.1 Luminous Flux  (Phi)
(Phi) symbol for the quantity '(radiant) flux' 4.1.1 Radiant Flux  (Phi)
'abuse' of luxmeter using illuminance meters e.g. for measuring luminous flux 5.3.1 Illuminance  E
absolute spectral data reproducible, not relative 4.4.3 Applying Spectral Resolution
accuracy usual light measurement accuracy and transformation problem 5.3.1 Illuminance  E
Africa example continent for solid angle calculation 4.2.2 Solid Angle  (Omega)
amplitude calibration comparing spectroradiometer to radiant intensity standards 4.4.2 Instruments (for spectral. resolv. meas.)
angular distribution how some property is structured with respect to (solid) angle 5.2.3 Luminance  L
anisotropic radiation pattern intensity depends on angular position 4.2.3 Radiant Intensity  I
anisotropic source source with different intensities seen from different directions 6.1 Point Source and Distance
aperture window through which light has to pass before measurement 4.1.1 Radiant Flux  (Phi)
Apostilb seldom used unit for Luminance L; same as cd/[(pi)*m^2] table 8.1 in
8. Comparison Tables
apparent area corrected by cosine of skew angle 4.2.4 Radiance  L
application software component of spectral measurement system 4.4.3 Applying Spectral Resolution
approximation gap domain outside of the limitations of (light source) model 6.4 Distance and Illuminance: Overview
area here: aperture size of a detector 4.3.3 Cosine Correction
area source light source with discernible length and width 6.3 Area Source and Distance
areas not covered "light measurement"-topics that are not included 1. Goals of this Essay
asb Apostilb, seldom used unit for Luminance L;
= cd/[(pi)*m^2]
table 8.1 in
8. Comparison Tables
attenuation here: reduction of incoming optical power by constant factor 7.3 Power Range (of Laser Radiation)
bandwidth here: wavelength domain with detector flat-response 4.0 Radiometry/General
bandwidth dependence wavelength step equal to bandwidth? 4.4.3 Applying Spectral Resolution
base unit verifyable by its own standard item 2. Introduction
beam waist point of minimum beam diameter 6.1 Point Source and Distance
black frame entire frame signal, collected in darkness 4.2.4 Radiance  L
blaze enhances the most important wavelengths of a grating 4.4.2 Instruments (for spectral. resolv. meas.)
broadband detector response within wide spectral limits 4.0 Radiometry/General
broad-band flat true for (corrected) spectroradiometer output 4.4.3 Applying Spectral Resolution
broad-band flat detector detector for radiometric measurements 7.1 Monochromatism (of Laser Radiation)
bunsen photometer = grease-spot photometer; example of ancient photometry 5.0 Photometry, General
butting pass-bands neighbouring spectral areas of narrow-band detectors 4.4.1 Why use Spectral Resolution?
camera opto-electric transducer with spatial- and grey-level resolution 4.2.1 Radiant Exitance  M
camera opto-electric transducer with spatial- and grey-level resolution 4.2.3 Radiant Intensity  I
camera opto-electric transducer with spatial- and grey-level resolution 5.2.2 Luminous Intensity  I
candela SI unit for Luminous Intensity  I 2. Introduction
candela SI unit for Luminous Intensity  I 5.2.2 Luminous Intensity  I
candela SI unit for Luminous Intensity  I table 8.1 in
8. Comparison Tables
candela per square meter SI-unit for luminance  L 5.2.3 Luminance  L
CCD line sensor semiconductor device containing 1 to 3 rows of light sensors 4.4.2 Instruments (for spectral. resolv. meas.)
cd candela, SI-unit for Luminous Intensity  I 2. Introduction
cd candela, SI-unit for Luminous Intensity  I 5.2.2 Luminous Intensity  I
cd candela, SI-unit for Luminous Intensity  I table 8.1 in
8. Comparison Tables
cd/m^2 candela per square meter, SI-unit for luminance  L 5.2.3 Luminance  L
Coherence constant phase relation over extended periods of time or space 7.2 Coherence (of Laser Radiation)
coherence length length of light path where coherence is maintained 7.2 Coherence (of Laser Radiation)
collimate to make light rays parallel 4.4.2 Instruments (for spectral. resolv. meas.)
color co-ordinates number triplet for exact color definition 4.4.3 Applying Spectral Resolution
color temperature hue of illumination related to incandescence 4.4.3 Applying Spectral Resolution
constant illuminance illuminance that does not vary (here: over detector distance) 6.3 Area Source and Distance
cosine correction modeling the correct function
(light efficiency) = f(angle)
4.2.4 Radiance  L
cosine correction modeling the correct function
(light efficiency) = f(angle)
4.3.3 Cosine Correction
cw light light that does not vary over time 5.1.2 Quantity of Light  Q
cylinder of constant illuminance special surface around a line source 6.2 Line Source and Distance
damage threshold here: maximum power that a laser power meter endures 7.3 Power Range (of Laser Radiation)
dark reading meter reading without the light to be measured 4.2.4 Radiance  L
data export supplying (here: spectral-) data to other programs 4.4.3 Applying Spectral Resolution
definition 'photometry' related to human eye 5.0 Photometry, General
(delta) (lambda) bandwidth or wavelength step? 4.4.3 Applying Spectral Resolution
densities, distributions spatial properties of light amplitude 4.0 Radiometry/General
density concentration with respect to area, space, angle, ... 5.2.3 Luminance  L
density here: radiant flux per solid angle 4.2.3 Radiant Intensity  I
density and distribution mean and structure 4.2.4 Radiance  L
derived unit mathematically derived from base units 2. Introduction
detector light sensitive component of any radiation meter 4.3.3 Cosine Correction
detector transducer (light signal --> electrical signal) 4.1.1 Radiant Flux  (Phi)
different source models e.g. area-, line-, point-source 6.4 Distance and Illuminance: Overview
dispersion breaking down polychromatic light into monochromatic colors 4.4.2 Instruments (for spectral. resolv. meas.)
dominant wavelength special way of defining a hue 4.4.3 Applying Spectral Resolution
dose energy of ionizing radiation, absorbed in tissue 4.1.2 Radiant Energy  Q
dose other name for "radiant exposure" 4.3.2 Radiant Exposure  H
dose rate other name for irradiance  E 4.3.1 Irradiance  E
double monochromator special monochromator set-up 4.4.2 Instruments (for spectral. resolv. meas.)
E symbol for the quantity 'illuminance' 5.3.1 Illuminance  E
E symbol for the quantity 'irradiance' 4.3.1 Irradiance  E
effective area corrected by cosine of skew angle 4.2.4 Radiance  L
electromagnetic wave concatenated spreading oscillations of electric and magnetic field 3. What is Light
emitting plane, -area locus of source of electromagnetic radiation 4.2.1 Radiant Exitance  M
emitting plane, -area locus of source of electromagnetic radiation 4.2.4 Radiance  L
entire plane comprised by one complete circle 4.2.2 Solid Angle  (Omega)
entire space comprised by one complete sphere 4.2.2 Solid Angle  (Omega)
exclude here: exclude interference pattern from light amplitude measur. 7.2 Coherence (of Laser Radiation)
exitance = luminous exitance  Mv 5.2.1 Luminous Exitance  M
exitance = luminous exitance  Mv 5.2.3 Luminance  L
exitance = radiant exitance  Me 4.2.1 Radiant Exitance  M
exotic unit seldom used unit or unit name 8. Comparison Tables --> table 8.2
exposure = luminous exposure  H 5.3.2 Luminous Exposure  H


Letters A...E are here.    goto letters F...L    goto letters M...R    goto letters S...Z

Contents of entire essay

Contents of entire web site


Last modified May 16th 2004 19:42