Three-dimensional optical-memory systems based on photochromic materials: Polarization control of two-color data writing and the possibility of nondestructive data reading

Авторы: Akimov D.A., Fedotov A.B., Koroteev N.I., Magnitskii S.A., Naumov A.N., Sidorov-Biryukov D.A., Sokolyuk N.T., Zheltikov A.M.
Сборник: Proceedings of SPIE - The International Society for Optical Engineering
Год издания: 1998
Первая страница: 137
Последняя страница: 148
DOI: 10.1117/12.304933
Аннотация: The possibilities of optimizing data writing and reading in devices of three-dimensional optical memory using photochromic materials are discussed. We quantitatively analyze linear and nonlinear optical properties of indoline spiropyran molecules, which allows us to estimate the efficiency of using such materials for implementing three-dimensional optical-memory devices. It is demonstrated that, with an appropriate choice of polarization vectors of laser beams, one can considerably improve the efficiency of two-photon writing in photochromic materials. The problem of reading the data stored in a photochromic material is analyzed. The possibilities of data reading methods with the use of fluorescence and four-photon techniques are compared
Добавил в систему: Магницкий Сергей Александрович

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