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. 2011 Jan 14;11(1):905–916. doi: 10.3390/s110100905

Figure 3.

Figure 3.

Absorption spectrum of terrylene and the emission spectrum of the unfiltered LED. The dashed line represents the wavelength of the frequency-doubled Nd:YAG laser. The irradiance of one to the other shows a by 40% larger value for the LED illumination. The larger spectral overlap allows a more efficient excitation. Inset: Terrylene (left) and the matrix molecule p-terphenyl (right).