Integrating sphere

en

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Integrating sphere

Quality:

Integrating sphere - Optical component. Article “Integrating sphere” in English Wikipedia has 41.9 points for quality (as of July 1, 2025). The article contains 19 references and 8 sections.

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

Since the creation of article “Integrating sphere”, its content was written by 46 registered users of English Wikipedia and edited by 170 registered Wikipedia users in all languages.

The article is cited 18 times in English Wikipedia and cited 79 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #82808 in June 2017
  • Global: #49743 in February 2005

The highest popularity rank from 2008:

  • Local (English): #298077 in November 2014
  • Global: #265134 in November 2014

There are 12 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Integrating sphere
41.8901
2Portuguese (pt)
Esfera integradora
25.4321
3Catalan (ca)
Esfera integradora
20.2447
4Hungarian (hu)
Integrálógömb
20.025
5German (de)
Ulbricht-Kugel
19.5717
6Japanese (ja)
積分球
18.4341
7French (fr)
Sphère intégrante
3.233
8Bulgarian (bg)
Сфера на Улбрихт
3.0241
9Czech (cs)
Kulový integrátor
2.7313
10Dutch (nl)
Bol van Ulbricht
1.6874
More...

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

Most popular in all the time

The most popular language versions of the article "Integrating sphere" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Integrating sphere
411 260
2German (de)
Ulbricht-Kugel
300 430
3Japanese (ja)
積分球
43 825
4French (fr)
Sphère intégrante
41 726
5Italian (it)
Sfera di Ulbricht
19 974
6Russian (ru)
Фотометрический шар Ульбрихта
12 897
7Portuguese (pt)
Esfera integradora
11 582
8Dutch (nl)
Bol van Ulbricht
10 196
9Czech (cs)
Kulový integrátor
10 163
10Hungarian (hu)
Integrálógömb
1 345
More...

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

Most popular in June 2025

The most popular language versions of the article "Integrating sphere" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Integrating sphere
2 611
2German (de)
Ulbricht-Kugel
571
3Japanese (ja)
積分球
178
4French (fr)
Sphère intégrante
130
5Russian (ru)
Фотометрический шар Ульбрихта
44
6Italian (it)
Sfera di Ulbricht
41
7Czech (cs)
Kulový integrátor
22
8Dutch (nl)
Bol van Ulbricht
17
9Portuguese (pt)
Esfera integradora
16
10Hungarian (hu)
Integrálógömb
9
More...

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

The highest AI

Language versions of the article "Integrating sphere" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1German (de)
Ulbricht-Kugel
49
2English (en)
Integrating sphere
46
3French (fr)
Sphère intégrante
18
4Italian (it)
Sfera di Ulbricht
15
5Russian (ru)
Фотометрический шар Ульбрихта
10
6Dutch (nl)
Bol van Ulbricht
9
7Portuguese (pt)
Esfera integradora
8
8Czech (cs)
Kulový integrátor
5
9Bulgarian (bg)
Сфера на Улбрихт
3
10Hungarian (hu)
Integrálógömb
3
More...

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

The highest AI in June 2025

Language versions of the article "Integrating sphere" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Bulgarian (bg)
Сфера на Улбрихт
0
2Catalan (ca)
Esfera integradora
0
3Czech (cs)
Kulový integrátor
0
4German (de)
Ulbricht-Kugel
0
5English (en)
Integrating sphere
0
6French (fr)
Sphère intégrante
0
7Hungarian (hu)
Integrálógömb
0
8Italian (it)
Sfera di Ulbricht
0
9Japanese (ja)
積分球
0
10Dutch (nl)
Bol van Ulbricht
0
More...

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

The highest CI

Language versions of the article "Integrating sphere" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1German (de)
Ulbricht-Kugel
31
2English (en)
Integrating sphere
18
3French (fr)
Sphère intégrante
9
4Italian (it)
Sfera di Ulbricht
6
5Japanese (ja)
積分球
4
6Dutch (nl)
Bol van Ulbricht
3
7Catalan (ca)
Esfera integradora
2
8Portuguese (pt)
Esfera integradora
2
9Russian (ru)
Фотометрический шар Ульбрихта
2
10Czech (cs)
Kulový integrátor
1
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
bgBulgarian
Сфера на Улбрихт
caCatalan
Esfera integradora
csCzech
Kulový integrátor
deGerman
Ulbricht-Kugel
enEnglish
Integrating sphere
frFrench
Sphère intégrante
huHungarian
Integrálógömb
itItalian
Sfera di Ulbricht
jaJapanese
積分球
nlDutch
Bol van Ulbricht
ptPortuguese
Esfera integradora
ruRussian
Фотометрический шар Ульбрихта

Popularity rank trends

Best Rank English:
#298077
11.2014
Global:
#265134
11.2014

AI rank trends

Best Rank English:
#82808
06.2017
Global:
#49743
02.2005

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Integrating sphere from Wikipedia articles about Luminous flux, Spectralon, Polytetrafluoroethylene, Magnesium oxide and Reflection. Whereas reading the article about Integrating sphere people most often go to Wikipedia articles on Lambertian reflectance, Richard Ulbricht, Lamberts cosine law, Goniophotometer and Spectralon.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In English Wikipedia the most popular articles on that day were: Ajit Pawar, Border 2, Sharad Pawar, Killing of Alex Pretti, Ilhan Omar, Sunetra Pawar, Todd Monken, Kristi Noem, Wonder Man (miniseries), Gregory Bovino.

About WikiRank

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