A mechanical shutter enabled undertaking irradiation cycles, which within the experiments listed here documented had 1 s length and a couple of s darkish time separation. The probe beam originates from the minimal-ability He-Ne laser (λ�?�?33 nm) centered into a waist of 20 µm and counter propagating with regard to https://stephenabvsi.bloginwi.com/66226393/lithium-niobate-crystal-an-overview