Ocean Optics RaySphere 1700 Install - Manual (Page 63)

9: Nonlinearity Correction, Stray Light Correction and Calibration
RAYSPHERE-1700-02-201304 53
Wavelength
range
400
nm –
500
nm
500
nm –
600
nm
600 nm –
700 nm
700 nm – 800
nm 800 nm – 900 nm
900 nm – 1100
nm
1. Spec_Distr [%] 1.70 1.29 1.04 0.91 0.78 0.71
2.,1 Dark [%] 0.20 0.05 0.06
3.,1 T_TEC [%] 0.06
3.,2 StrayL [%] ntia
Standard
Uncertainty [%]
1.71 1.29 1.04 0.91 0.78 0.71
Expanded
Uncertainty [%]
for k = 2
3.42 2.58 2.08 1.82 1.56 1.42
A missing value indicates that the value is less than 0.1 % or not known.
How to Estimate the Uncertainties for the Spectral Match
Test
An example illustrates the procedure for a measurement with a solar simulator. The following spectrum is
recorded.
RaySphere calculated the percentage of total irradiance in the wavelength range of 400 nm to1100 nm.