Fig. 3 | Scientific Reports

Fig. 3

From: A comparative study of femtosecond pulsed and continuous wave lasers on physiological responses through activation of phytochromes in seeds

Fig. 3

The schematic drawing of the irradiation setup. (A) LED irradiation setup with LEDR or LEDFR panels collimating a single LED light with a plano-convex lens to adjust the beam diameter and a black metal lens tube for proper shadowing from other LEDs in the panel and magnetic stirring; (B) DLR irradiation setup adjusting the beam diameter with two lenses and directing the beam vertically downward into the sample vial with a periscope mirror. (C) fsWL (450–750 nm, with FES0750 short pass filter), fsR (620–680 nm, with FB650-40 band pass and FES0750 short pass filters) and fsFR (690–750 nm, with FEL700 long pass and FES0750 short pass filters) irradiation setup at the Titan: Sapphire (Ti: Sa, 782 nm, 1 kHz, ~ 100 fs) or HR1 (1030 nm, 100 kHz, ~ 30 fs) laser generated on a sapphire plate focusing the NIR beam on the crystal and collimated to the suitable beam diameter.

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