8 if (waveLengthNm < 300. || waveLengthNm > 850)
12 if (waveLengthNm < 500.)
13 return std::exp(+waveLengthNm / 144.3 - 5.0752);
15 return std::exp(-waveLengthNm / 290.7 + 0.1105);
static double getEfficiency(const double &waveLengthNm)
Return efficiency for given photon wavelength (in nm)