A mechanical shutter enabled doing irradiation cycles, which while in the experiments below noted experienced 1 s length and a couple of s darkish time separation. The probe beam originates from the lower-electricity He-Ne laser (λ�?�?33 nm) centered into a waistline of 20 µm and counter propagating with respect to https://lithium-niobate-crystal96173.smblogsites.com/32611787/an-unbiased-view-of-lithium-niobate-crystal