Spectral measurements of light sources with a goniophotometer with and without mirror arrangement

被引：0
|
作者：
Santos Gomes, Juliana Freitas [1 ]
Azara de Oliveira, Ivo Antonio [1 ]
Sardinha, Andre da Silva [1 ]
Viana, Domingos David [1 ]
Vieira, Rafaela Rezende [2 ]
Barbosa, Amanda Hang [2 ]
Dornelles de Alvarenga, Ana Paula [3 ]
机构：
[1] Inmetro, Natl Inst Metrol Qual & Tecnol, Opt Metrol Div, Radiometry & Photometry Lab, Av Nossa Senhora Gracas 50, BR-25250020 Duque De Caxias, RJ, Brazil
[2] Univ Catolica Petropolis, Petropolis, Brazil
[3] Inmetro, Natl Inst Metrol Qual & Tecnol, Opt Metrol Div, Colorimetry & Spectrophotometry Lab, Rio De Janeiro, Brazil
来源：
8TH BRAZILIAN CONGRESS ON METROLOGY (METROLOGIA 2015) | 2016年 / 733卷
关键词：
D O I：
10.1088/1742-6596/733/1/012025
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
This paper presents a comparative study of the relative spectral radiance measurements of incandescent and LED light sources performed in two different setups with a rotating-mirror-goniophotometer. In one configuration the light is reflected by the goniophotometer mirror, while in the other the mirror is not used. This study permits to determine a spectral correction factor at each measured wavelength in order to obtain a more precise value for the Correlated Color Temperature (CCT) for any light sources with different spectral power distributions.
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页数：5
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