Sellmeier equation

Sellmeier equation - empirical relationship between refractive index and wavelength. Article “Sellmeier equation” in English Wikipedia has 27.1 points for quality (as of July 1, 2025). The article contains 9 references and 6 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 “Sellmeier equation”, its content was written by 61 registered users of English Wikipedia and edited by 137 registered Wikipedia users in all languages.

The article is cited 41 times in English Wikipedia and cited 88 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #7604 in January 2003
• Global: #11581 in January 2003

The highest popularity rank from 2008:

• Local (English): #193536 in February 2011
• Global: #284916 in February 2011

There are 8 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) Sellmeier equation		27.135
2	German (de) Sellmeier-Gleichung		17.1712
3	Russian (ru) Формула Зельмейера		15.4008
4	French (fr) Équation de Sellmeier		13.2448
5	Chinese (zh) Sellmeier等式		12.8341
6	Azerbaijani (az) Zelmeyer tənliyi		7.3805
7	Spanish (es) Ecuación de Sellmeier		6.5406
8	Dutch (nl) Sellmeiervergelijking		4.9655

More...

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

The most popular language versions of the article "Sellmeier equation" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Sellmeier equation		563 117
2	German (de) Sellmeier-Gleichung		81 458
3	French (fr) Équation de Sellmeier		34 670
4	Chinese (zh) Sellmeier等式		20 035
5	Spanish (es) Ecuación de Sellmeier		17 670
6	Russian (ru) Формула Зельмейера		7 394
7	Dutch (nl) Sellmeiervergelijking		4 623
8	Azerbaijani (az) Zelmeyer tənliyi		134

More...

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 "Sellmeier equation" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Sellmeier equation		3 140
2	German (de) Sellmeier-Gleichung		270
3	Russian (ru) Формула Зельмейера		170
4	French (fr) Équation de Sellmeier		133
5	Chinese (zh) Sellmeier等式		98
6	Spanish (es) Ecuación de Sellmeier		52
7	Dutch (nl) Sellmeiervergelijking		10
8	Azerbaijani (az) Zelmeyer tənliyi		5

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

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

#	Language	AI award	Relative AI
1	English (en) Sellmeier equation		61
2	French (fr) Équation de Sellmeier		24
3	German (de) Sellmeier-Gleichung		21
4	Spanish (es) Ecuación de Sellmeier		11
5	Dutch (nl) Sellmeiervergelijking		6
6	Russian (ru) Формула Зельмейера		6
7	Chinese (zh) Sellmeier等式		5
8	Azerbaijani (az) Zelmeyer tənliyi		3

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 "Sellmeier equation" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Azerbaijani (az) Zelmeyer tənliyi		0
2	German (de) Sellmeier-Gleichung		0
3	English (en) Sellmeier equation		0
4	Spanish (es) Ecuación de Sellmeier		0
5	French (fr) Équation de Sellmeier		0
6	Dutch (nl) Sellmeiervergelijking		0
7	Russian (ru) Формула Зельмейера		0
8	Chinese (zh) Sellmeier等式		0

More...

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

Language versions of the article "Sellmeier equation" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Sellmeier equation		41
2	French (fr) Équation de Sellmeier		16
3	German (de) Sellmeier-Gleichung		10
4	Chinese (zh) Sellmeier等式		7
5	Russian (ru) Формула Зельмейера		6
6	Spanish (es) Ecuación de Sellmeier		5
7	Azerbaijani (az) Zelmeyer tənliyi		2
8	Dutch (nl) Sellmeiervergelijking		1

More...

#	Language	Value
az	Azerbaijani Zelmeyer tənliyi
de	German Sellmeier-Gleichung
en	English Sellmeier equation
es	Spanish Ecuación de Sellmeier
fr	French Équation de Sellmeier
nl	Dutch Sellmeiervergelijking
ru	Russian Формула Зельмейера
zh	Chinese Sellmeier等式

Best Rank

English: #193536 02.2011

Global: #284916 02.2011

Best Rank

English: #7604 01.2003

Global: #11581 01.2003

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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