ГОСТ 26148-84 Фотометрия. Термины и определения (с Изменением N 1)

Absorptance

61

Attenuation factor

64

Continuous optical radiation

12

Conversion characteristic of photometer

72

Diffuse reflectance

60

Diffuse transmittance

56

Diffusion factor

63

Directional diffusion coefficient

68

Directional emissivity

71 б

Duration of pulse radiation

14

Effective range

74

Emissivity

71 а

Equivalent luminance

52

Generalized photometric quantity

53

Geometric extent

9

Illuminance

44

Indicatrix of a photometric quantity

10

Internal absorptance

62

Internal transmittance

57

Irradiance

29

Light exposure

47

Light characteristic

73

Light measurements

16

Linear absorption coefficient

66

Linear attenuation coefficient

69

Linear diffusion coefficient

67

Linear dynamic range of photometer

75

Luminance

41

Luminance factor

71

Luminous emittance

43

Luminous energy density

50

Luminous flux

40

Luminous intensity

42

Luminous quantity

6

Maximum power of radiation

25

Mean power of radiation

24

Photometer

19

Photometric quantity

2

Photometry

1

Photon quantity

4

Physical photometer

20

Pulse optical radiation

13

Quantity of light

39

Radiance

26

Radiance factor

70

Radiant emittance

28

Radiant energy

22

Radiant energy density

37

Radiant energy surface density

31

Radiant exposure

34

Radiant flux

23

Radiant flux surface density

30

Radiant intensity

27

Radiant quantity

3

Radiometry

15

Reflectance

58

Regular reflectance

59

Regular transmittance

55

Sensitivity

76

Spatial illuminance

45

Spatial irradiance

32

Spatial light exposure

48

Spatial radiant exposure

35

Spectral concentration of a photometric quantity

7

Spectral distribution of a photometric quantity

8

Spectral responsivity

77

Spectrophotometry

18

Spectroradiometry

17

Transmission density

65

Transmittance

54

Visual photometer

21