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. 2022 Apr 28;10:885977. doi: 10.3389/fbioe.2022.885977

FIGURE 2.

FIGURE 2

(A) Colored glass filters: band-pass filter B 13 (BPF) and long-pass filter O 540 (LPF) (LaserComponents 2022) (B) Transmission values of the BPF and LPF. Values obtained via warm-white light emitting diode (LED) illumination and ocean optic spectrometer measurements. (C) Irradiation intensities of warm-white LED (SWW), green LED (510 nm), green LED with BPF and green LED with LPF at setpoint 200 μmol m−2 s−1(D) Irradiation intensities of warm-white LED (SWW), green LED (510 nm) with BPF and LPF were set to 75 μmol m−2 s−1.