However, the type-I configuration was frequently utilized for wavelength tunability of SHG because LN reveals a big thermo-optic birefringence that has a price of close to 4 × 10−5 K−1 at room temperature. Hence, a temperature alter of your product would bring about a substantial variation in the material birefringence, https://waylonpfsfp.bloggip.com/32650117/getting-my-lithium-niobate-crystal-to-work