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. Author manuscript; available in PMC: 2016 Sep 16.
Published in final edited form as: Am J Phys. 2016 Feb;84(2):150–158. doi: 10.1119/1.4935806

Fig. 4.

Fig. 4

The illumination spectrum as measured on the sample stage. The LED is a high-power cyan LED through a 510 ± 10 nm filter, the projector was set to project a solid screen of red (RGB[50,0,0]), green (RGB[0,50,0]), blue (RGB[0,0,50]), black (RGB[0,0,0]), or gray (RGB[50,50,50]).