A mechanical shutter enabled executing irradiation cycles, which inside the experiments here described had 1 s duration and 2 s dark time separation. The probe beam originates from a lower-electric power He-Ne laser (λ�?�?33 nm) centered to the midsection of 20 µm and counter propagating with regard on the inexperienced https://paxtonwbccz.blogolize.com/lithium-niobate-crystal-for-dummies-71601302