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LEDorFLuorescent


LEDorFLuorescent

The ceiling light in my office is a bulb labelled as LED 5.5 watts 450 lumens but the spectrum I just captured of it looks like a fluorescent bulb spectrum, not an LED spectrum. I wonder why? I did a conversion from pixel scale to wavelength using the well known fluorescent bulb peaks. On that basis, they all matched the peaks and I determined my DIY spectrograph has a resulution of 1.5 angstrom/pixel.






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