A mechanical shutter enabled carrying out irradiation cycles, which within the experiments here described experienced 1 s period and a couple of s dark time separation. The probe beam originates from a lower-electrical power He-Ne laser (λ�?�?33 nm) centered to your waist of twenty µm and counter propagating with regard https://-lithiumniobatecrystal35790.webbuzzfeed.com/33064824/the-basic-principles-of-lithium-niobate-crystal