@article{oai:fut.repo.nii.ac.jp:00000032, author = {多田, 紘二 and 中島, 秀和 and Tada, Koji and Nakajima, Hidekazu}, issue = {37}, journal = {福井工業大学研究紀要. 第一部}, month = {May}, note = {We examined the basic properties of the holographic optical properties by using a two-colour recording method in near stoichiometric Fe-doped lithium niobate single crystal and confirmed the Fe donner levels as well as polarons formed by antisite intrinsic defects plays an important roles in producing free electron during ecitation to form diffraction index lattice patterns in the crystal in writing process.}, pages = {55--59}, title = {鉄添加ニオブ酸リチウム単結晶の2色ホログラム特性の励起光依存性の研究}, year = {2007} }