Poissons flekk

Arago spot - bright point that appears at the center of a circular object's shadow due to Fresnel diffraction. Article “Poissons flekk” in Norwegian Wikipedia has 21.1 points for quality (as of July 1, 2025). The article contains 7 references and 5 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Norwegian) language version.

In June 2025 the article “Poissons flekk” was edited by 1 authors in Norwegian Wikipedia and written by 4 authors in all languages.

Since the creation of article “Poissons flekk”, its content was written by 1 registered users of Norwegian Wikipedia and edited by 222 registered Wikipedia users in all languages.

The article is cited 6 times in Norwegian Wikipedia and cited 167 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Norwegian): #14727 in June 2025
• Global: #6368 in March 2002

The highest popularity rank from 2008:

• Local (Norwegian): #107452 in June 2025
• Global: #266452 in October 2015

There are 17 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Arago spot		66.6444
2	Turkish (tr) Arago noktası		64.2373
3	Slovenian (sl) Poissonova pega		63.3745
4	Korean (ko) 아라고 반점		53.6022
5	French (fr) Tache de Fresnel		34.1884
6	Arabic (ar) بقعة أراجو		32.1685
7	Italian (it) Macchia di Poisson		28.2979
8	German (de) Poisson-Fleck		28.2388
9	Thai (th) จุดอาราโก		25.2783
10	Norwegian (no) Poissons flekk		21.0574

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Poissons flekk" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Arago spot		500 412
2	Russian (ru) Пятно Пуассона		76 712
3	Chinese (zh) 泊松光斑		70 811
4	German (de) Poisson-Fleck		49 517
5	Spanish (es) Punto de Arago		38 632
6	French (fr) Tache de Fresnel		21 632
7	Japanese (ja) アラゴスポット		18 418
8	Italian (it) Macchia di Poisson		10 113
9	Turkish (tr) Arago noktası		3 832
10	Romanian (ro) Pata lui Poisson		3 490

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Poissons flekk" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Arago spot		2 810
2	Chinese (zh) 泊松光斑		434
3	Hungarian (hu) Arago-folt		386
4	Russian (ru) Пятно Пуассона		308
5	Spanish (es) Punto de Arago		235
6	German (de) Poisson-Fleck		202
7	French (fr) Tache de Fresnel		128
8	Italian (it) Macchia di Poisson		110
9	Korean (ko) 아라고 반점		50
10	Japanese (ja) アラゴスポット		41

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Poissons flekk" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Arago spot		79
2	German (de) Poisson-Fleck		23
3	French (fr) Tache de Fresnel		22
4	Chinese (zh) 泊松光斑		16
5	Russian (ru) Пятно Пуассона		14
6	Turkish (tr) Arago noktası		13
7	Italian (it) Macchia di Poisson		12
8	Spanish (es) Punto de Arago		9
9	Japanese (ja) アラゴスポット		8
10	Hungarian (hu) Arago-folt		7

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Poissons flekk" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Hungarian (hu) Arago-folt		2
2	French (fr) Tache de Fresnel		1
3	Norwegian (no) Poissons flekk		1
4	Arabic (ar) بقعة أراجو		0
5	German (de) Poisson-Fleck		0
6	English (en) Arago spot		0
7	Spanish (es) Punto de Arago		0
8	Italian (it) Macchia di Poisson		0
9	Japanese (ja) アラゴスポット		0
10	Korean (ko) 아라고 반점		0

More...

The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Poissons flekk" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Arago spot		49
2	German (de) Poisson-Fleck		14
3	Slovenian (sl) Poissonova pega		14
4	French (fr) Tache de Fresnel		13
5	Chinese (zh) 泊松光斑		13
6	Italian (it) Macchia di Poisson		11
7	Spanish (es) Punto de Arago		10
8	Russian (ru) Пятно Пуассона		8
9	Thai (th) จุดอาราโก		8
10	Japanese (ja) アラゴスポット		7

More...

#	Language	Value
ar	Arabic بقعة أراجو
de	German Poisson-Fleck
en	English Arago spot
es	Spanish Punto de Arago
fr	French Tache de Fresnel
hu	Hungarian Arago-folt
it	Italian Macchia di Poisson
ja	Japanese アラゴスポット
ko	Korean 아라고 반점
no	Norwegian Poissons flekk
ro	Romanian Pata lui Poisson
ru	Russian Пятно Пуассона
sl	Slovenian Poissonova pega
th	Thai จุดอาราโก
tr	Turkish Arago noktası
uk	Ukrainian Пляма Пуассона
zh	Chinese 泊松光斑

Best Rank

Norwegian: #107452 06.2025

Global: #266452 10.2015

Best Rank

Norwegian: #14727 06.2025

Global: #6368 03.2002

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information