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Title: Broadband radiometer

Abstract

A broadband radiometer including (a) an optical integrating sphere having a enerally spherical integrating chamber and an entry port for receiving light (e.g., having visible and ultraviolet fractions), (b) a first optical radiation detector for receiving light from the sphere and producing an electrical output signal corresponding to broadband radiation, (c) a second optical radiation detector for receiving light from the sphere and producing an electrical output signal corresponding to a predetermined wavelength fraction of the broadband radiation, and (d) an output for producing an electrical signal which is proportional to the difference between the two electrical output signals. The radiometer is very useful, for example, in measuring the absolute amount of ultraviolet light present in a given light sample.

Inventors:
 [1]
  1. Golden, CO
Issue Date:
Research Org.:
Midwest Research Institute, Kansas City, MO (United States)
OSTI Identifier:
869408
Patent Number(s):
5332904
Assignee:
United States of America as represented by Department of Energy (Washington, DC)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
DOE Contract Number:  
AC02-83CH10093
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
broadband; radiometer; including; optical; integrating; sphere; spherical; chamber; entry; receiving; light; visible; ultraviolet; fractions; radiation; detector; producing; electrical; output; signal; corresponding; predetermined; wavelength; fraction; proportional; difference; signals; useful; example; measuring; absolute; amount; sample; signal corresponding; receiving light; predetermined wavelength; output signals; ultraviolet light; electrical signal; output signal; radiation detector; electrical output; optical radiation; integrating sphere; optical integrating; violet light; broadband radiometer; /250/356/

Citation Formats

Cannon, Theodore W. Broadband radiometer. United States: N. p., 1994. Web.
Cannon, Theodore W. Broadband radiometer. United States.
Cannon, Theodore W. Sat . "Broadband radiometer". United States. https://www.osti.gov/servlets/purl/869408.
@article{osti_869408,
title = {Broadband radiometer},
author = {Cannon, Theodore W},
abstractNote = {A broadband radiometer including (a) an optical integrating sphere having a enerally spherical integrating chamber and an entry port for receiving light (e.g., having visible and ultraviolet fractions), (b) a first optical radiation detector for receiving light from the sphere and producing an electrical output signal corresponding to broadband radiation, (c) a second optical radiation detector for receiving light from the sphere and producing an electrical output signal corresponding to a predetermined wavelength fraction of the broadband radiation, and (d) an output for producing an electrical signal which is proportional to the difference between the two electrical output signals. The radiometer is very useful, for example, in measuring the absolute amount of ultraviolet light present in a given light sample.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {1}
}

Patent:

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