Color temperature of light source for electro-optical caratersitics of GENX320

Color temperature of light source for electro-optical caratersitics of GENX320

Hello,

I'm trying to measure the electro-optical caracteristics of my GENX320 sensor in the same conditions as the datasheet indicates. For the light source, the datasheet indicates :


When you look at the wavelength associated to this color temperature with Wien's displacement law :

You get for a color temperature of 3000 K : 966 nm
If you look at the quantum efficiency of the sensor from the datasheet :


At that wavelength, the QE isn't at its maximum.
Why so ? Wouldn't it have been better to use a source at 5700K to be at around the QE's peak ?

I'd be curious also to know the reference of the light source that you've used ?

Cheers,

Michael

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