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DOI: 10.17586/1023-5086-2023-90-05-10-18
УДК: 666.22, 535.37, 535.42
Effect of neodymium ions on the parameters of volume Bragg gratings recorded in chlorine- containing photo-thermo-refractive glasses
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Publication in Journal of Optical Technology
Нассер Х., Никоноров Н.В., Иванов С.А., Игнатьев А.И. Влияние ионов неодима на параметры брэгговских решеток, записанных в хлорсодержащих фототерморефрактивных стеклах // Оптический журнал. 2023. Т. 90. № 5. С. 10–18. http:doi.org/10.17586/1023-5086-2023-90-05-10-18
Nasser K., Nikonorov N.V., Ivanov S.A., Ignatiev A.I. Effect of neodymium ions on the parameters of volume Bragg gratings recorded in chlorine-containing photo-thermo-refractive glasses [in Russian] // Opticheskii Zhurnal. 2023. V. 90. № 5. P. 10–18. http:doi.org/10.17586/1023-5086-2023-90-05-10-18
The Subject of study is the chlorine-containing photo-thermo-refractive glass activated by neodymium ions. Aim of study is to study the effect of neodymium concentration on the process of photo-thermo-induced crystallization and the refractive index modulation amplitude of the volume Bragg grating recorded in the glass. Method. To obtain the values of refractive index modulation amplitude, volume Bragg gratings were recorded in this glass. The angular selectivity contours of the transmission beam were measured. The values of refractive index modulation amplitude were calculated by means of the coupled-waves theory. Main results. The maximum value of the refractive index modulation amplitude in the virgin undoped chlorine-containing photo-thermo-refractive glass was 1.6ґ10–3, and in the glass doped with neodymium was 0.6ґ10–3. Practical significance. The chlorine-containing photo-thermo-refractive glass activated with rare-earth ions gives an opportunity to record volume Bragg gratings and opens new possibilities for its application in integrated optics devices, such as distributed-feedback lasers.
photo-thermo-refractive glass, volume Bragg grating, neodymium, refractive index modulation amplitude, energy transfer
OCIS codes: 160.5335, 160.5690, 050.7330, 090.7330, 160.2750, 160.3130
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