NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.
Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
NIST Response to the Consultative Committee for Photometry and Radiometry (CCPR) Questionnaire on Activities in Radiometry and Photometry
Published
Author(s)
Marla L. Dowell, Gerald T. Fraser, Maria Nadal, Yoshi Ohno
Abstract
The present document summarizes recent progress in NIST radiometry and photometry research and services in the form of a reply to a questionnaire distributed by the Consultative Committee for Photometry and Radiometry (CCPR) to participating national metrology institutes. The document is intended for public display on the CCPR website maintained by the International Bureau of Weights and Measures (BIPM).
Citation
BIPM (International Bureau of Weights and Measures)
Dowell, M.
, Fraser, G.
, Nadal, M.
and Ohno, Y.
(2016),
NIST Response to the Consultative Committee for Photometry and Radiometry (CCPR) Questionnaire on Activities in Radiometry and Photometry, BIPM (International Bureau of Weights and Measures), [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=921981, http://www.bipm.org/metrology/photometry-radiometry/
(Accessed October 27, 2025)