There are actually mainly two attainable explanations for your productive refractive index variation upon light irradiation: heating in the LiNbO3:Fe substrates and, For that reason, of your LC inside the microchannel, and director reorientation in the electric discipline induced by light while in the LiNbO3:Fe substrates. Keywords: lithium niobate slim https://lithium-niobate-crystal65208.articlesblogger.com/55298209/lithium-niobate-crystal-for-dummies