Informatics Educational Institutions & Programs

This article is rated Stub-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:

Physics Low‑importance This article is within the scope of WikiProject Physics, a collaborative effort to improve the coverage of Physics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.PhysicsWikipedia:WikiProject PhysicsTemplate:WikiProject Physicsphysics articles Low This article has been rated as Low-importance on the project's importance scale. Engineering This article is within the scope of WikiProject Engineering, a collaborative effort to improve the coverage of engineering on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.EngineeringWikipedia:WikiProject EngineeringTemplate:WikiProject EngineeringEngineering articles ??? This article has not yet received a rating on the project's importance scale.

the citation Phys. Rev. 69, 681 (1946) is incorrect: no such article exists. does anyone have a correct citation ?

Number density of particles? If so, why is λ_c/n a wavelength? 89.217.11.36 (talk) 09:09, 22 February 2015 (UTC)[reply]

n is the refractive index. --88.217.170.249 (talk) 16:23, 9 February 2017 (UTC)[reply]

Reference 1 leads to another site than indicated. — Preceding unsigned comment added by 2001:660:4701:1002:34E3:76EB:DDF4:F8B2 (talk) 08:31, 11 December 2018 (UTC)[reply]

It's frequency (, not ). Evgeny (talk) 16:03, 14 September 2022 (UTC)[reply]