TERMIUM Plus®

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REFLECTANCE FACTOR [2 records]

Record 1 - external organization data 2009-08-04

English

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
01.02.20 (19762)
ISO/IEC standard entry number
DEF

ratio of the radiant or luminous flux reflected by the sample in the directions delimited by the given cone to that reflected in the same directions by a perfect reflecting diffuser identically irradiated or illuminated

OBS

Adapted from IEC 60050-845, 845-04-64.

OBS

Perfect reflecting diffuser - ideal isotropic diffuser with a reflectance equal to 1.

OBS

The radiant power reflected by a magnesium oxide or barium sulphate photometric standard is called reference reflected flux.

OBS

In AIDC techniques, reflectance factor is sometimes called reflectance.

OBS

reflectance factor: term and definition standardized by ISO/IEC [ISO/IEC 19762-1:2008].

French

Spanish

Save record 1

Record 2 2001-11-20

English

Subject field(s)
  • Optics
  • Pulp and Paper
DEF

The ratio of the luminous flux reflected by a body within the specified cone to that reflected by a perfect reflecting diffuser under the same conditions, measurements being made under standardized conditions.

French

Domaine(s)
  • Optique
  • Pâtes et papier

Spanish

Save record 2

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