ENGINEERING METROLOGY TOOLBOX  
HomeRefractive Index of AirElasticPublications
 Refractive Index of Air Calculator 

Refractive Index of Air Calculator is a web-based tool for calculating the index of refraction of air and wavelength of light in air as a function of various input parameters, using the Ciddor Equation or a modified version of the Edlén Equation.

Long Description:  Equation A33


Description:

Title of Image:  Equation A33
Equation:  r(vs) = 1.022 * 10^(-8) * [w(0) + w(1) * S + w(2) * S^2 + w(3) * S^3]


Links:

Source:  Equation A33
Image:  Equation A33
Return to Top of Document

Web Site Home: Engineering Metrology Toolbox
Technical Inquiries: Daniel S. Sawyer, Group Leader
Dimensional Metrology
Sensor Science Division
Physical Measurement Laboratory
NIST, 100 Bureau Drive, Stop 8211, Gaithersburg, MD 20899-8211

The National Institute of Standards and Technology (NIST) is an agency of the U.S. Department of Commerce.
NIST / PML / Sensor Science Division

NIST Program Questions: Public Inquires Unit
(301) 975-NIST (6478) TTY (301) 975-8295
NIST, 100 Bureau Drive, Stop 3460, Gaithersburg, MD 20899-3460

Privacy Policy / Security Notice / Accessibility Statement / Disclaimer / Freedom of Information Act (FOIA) / 
Environmental Policy Statement / No Fear Act Policy / NIST Information Quality Standards / Scientific Integrity Summary

USA.gov

Date Created: Tuesday, March 3, 2020
Last Updated: Tuesday, March 3, 2020
Technical Web Site Questions: Wei Ren
Feedback and Comments: Webmaster