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大量实验结果表明：由于ＫＴＰ（磷酸钛氧钾）晶体结构的多样性，通过掺质晶体生长或离子交换处理技术，可形成一系列ＫＴＰ型晶体．当掺质原子进入晶体结构后，ＫＴＰ型晶体结构与ＫＴＰ相比，会发生微小或局部的变化，这种微小或局部的变化往往导致了晶体宏观物理性能的变化，这种性能的变化称为ＫＴＰ型晶体结构敏感性能．结构敏感性能有时可用来调谐晶体的非线性光学性能，从而拓宽了ＫＴＰ晶体的应用范围．
A large number of experimental results show that due to the diversity of KTP (potassium titanyl phosphate) crystal structure, a series of KTP type crystals can be formed by doping crystal growth or ion exchange treatment. When doped atoms into the crystal structure, KTP-type crystal structure and KTP compared to small or local changes occur, this small or local changes often lead to changes in the physical properties of the crystal macro, this change in performance is called KTP crystal structure sensitivity. Structural sensitivity can sometimes be used to tune the nonlinear optical properties of crystals, thus broadening the range of applications of KTP crystals.