A mechanical shutter enabled carrying out irradiation cycles, which during the experiments here reported had one s length and a pair of s dark time separation. The probe beam originates from the lower-electrical power He-Ne laser (λ�?�?33 nm) targeted into a waist of 20 µm and counter propagating with regard https://andresqqpnl.blog-ezine.com/32619416/lithium-niobate-crystal-secrets