A mechanical shutter enabled carrying out irradiation cycles, which while in the experiments right here described had one s period and a pair of s darkish time separation. The probe beam originates from the small-electric power He-Ne laser (λ�?�?33 nm) concentrated to a midsection of twenty µm and counter propagating https://manuelbedby.dailyhitblog.com/37893509/considerations-to-know-about-lithium-niobate-crystal