A mechanical shutter enabled doing irradiation cycles, which within the experiments here described had one s period and 2 s dim time separation. The probe beam originates from a low-electric power He-Ne laser (λ�?�?33 nm) concentrated to your waistline of 20 µm and counter propagating with respect to the environmentally https://tysonlmjgz.isblog.net/the-ultimate-guide-to-lithium-niobate-crystal-49682022