|Radiometry has been listed as a level-5 vital article in Science, Physics. If you can improve it, please do. This article has been rated as Start-Class.|
|WikiProject Physics||(Rated Start-class, Mid-importance)|
|WikiProject Astronomy||(Rated Start-class, High-importance)|
This article is missing the terms for reflectance/reflectivity. What are they?-184.108.40.206 11:58, 19 May 2007 (UTC)
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The comment(s) below were originally left at several discussions in past years, these subpages are now deprecated. The comments may be irrelevant or outdated; if so, please feel free to remove this section., and are posted here for posterity. Following
|For completeness, this article should define the terms "luminosity", "spectral luminosity", and "spectral radiant flux". I believe that luminosity is the total radiated power in Watts, while spectral luminosity is the radiated power per Hz or per unit wavelength (I'm not sure about this last).
Also, this article would be much more useful if it provided some information about measurement equipment and techniques.P.S. I work mainly with RF, so I'm not really qualified to fill in the above.
Last edited at 20:57, 22 March 2007 (UTC). Substituted at 03:49, 30 April 2016 (UTC)
- No. We are an encyclopedia. We don't cover new inventions. When it has been written about in reliable, independent sources it may be ready for mention here.--Srleffler (talk) 13:44, 26 August 2018 (UTC)
[this repeats a comment left in the topic "irradiance".] for purely instrumental reasons and the relevance of physical quantities to questions that measurement is intended to answer (e.g., astrophysics, climatology, workplace safety regulations, etc.) or measurement location (outer space, earth's surface, etc.), radiology metrics do not routinely include the entire electromagnetic spectrum. this is implied by the vague statement that radiology "measures the electromagnetic spectrum." i believe (but do not have sources to cite) that the routine span of measured irradiance/radiance is roughly the optical range 10e-07 to 10e-03 meters, and i am nearly certain that measures such as the solar constant do not rely on actual instrumental measures in the electromagnetic range 10e-16 to 10e8 ish. they are instead either estimates based on fitting a blackbody curve to the measured segment or overlapping/gappy piece curves estimated from different sources using different instrumentation. this applies to all the subtopics in radiology (irradiance, radiance, etc.) where the wikipedist interest seems fixated on the mathematics at the expense of the practicalities. and while i'm quibbling, a paragraph on the actual instrumentation used would be useful, and place the spectral limits in the context of measurement/observation limitations. Drollere (talk) 15:47, 13 October 2020 (UTC)