Term: resolving power, \(R\)
https://doi.org/10.1351/goldbook.R05322

Definition:
transition wavenumber (or wavelength or frequency) divided by the resolution.

Related Terms:
1) transition wavenumber (http://doi.org/10.1351/goldbook.T06473).
2) wavelength (http://doi.org/10.1351/goldbook.W06659).
3) resolution (<em>in optical spectroscopy</em>) (http://doi.org/10.1351/goldbook.R05319).

Source: Green Book, 2nd ed., p. 31 (https://goldbook.iupac.org/files/pdf/green_book_2ed.pdf)

Citation: 'resolving power, \(R\)' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.R05322

License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.

Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.