Effect of neodymium ions on the parameters of volume Bragg gratings recorded in chlorine- containing photo-thermo-refractive glasses

IF 0.5 4区物理与天体物理 Q4 OPTICS

Journal of Optical Technology Pub Date : 2023-05-01 DOI:10.1364/jot.90.000231

Khaldoon Nasser, Nikolay V. Nikonorov, Sergey A. Ivanov, Alexander I. Ignatiev

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Abstract

Subject of study. Chlorine-containing photo-thermo-refractive (PTR) glass activated by neodymium ions is studied. Aim of study. The aim is to study the effect of neodymium concentration on photo-thermo-induced crystallization and the refractive index modulation amplitude in the volume Bragg grating recorded in the glass. Method. To obtain the values of refractive index modulation amplitude, volume Bragg gratings are recorded in this glass. The angular selectivity contours of the transmission beam were measured. The values of the refractive index modulation amplitude are calculated using the coupled wave theory. Main results. The maximum values of the refractive index modulation amplitude in the virgin undoped chlorine-containing PTR glass and the glass doped with neodymium are 1.6×10−3 and 0.6×10−3, respectively. Practical significance. The chlorine-containing PTR glass activated with rare-earth ions gives an opportunity to record volume Bragg gratings. It opens new possibilities for its application in integrated optics devices, such as distributed-feedback lasers.

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钕离子对含氯光-热折射玻璃中记录的体积布拉格光栅参数的影响

研究主题。研究了钕离子活化的含氯光热折射玻璃。研究目的。目的是研究钕浓度对玻璃中记录的光热致结晶和体积布拉格光栅折射率调制幅度的影响。方法。为了得到折射率调制幅值，在该玻璃上记录了体积布拉格光栅。测量了透射光束的角选择性轮廓。利用耦合波理论计算了折射率调制幅值。主要的结果。未掺杂含氯PTR玻璃和掺钕PTR玻璃的折射率调制幅值最大值分别为1.6×10−3和0.6×10−3。现实意义。稀土离子活化的含氯PTR玻璃为记录体积布拉格光栅提供了机会。它为其在集成光学器件(如分布式反馈激光器)中的应用开辟了新的可能性。

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来源期刊

Journal of Optical Technology 物理-光学

CiteScore

0.90

自引率

25.00%

发文量

审稿时长

3-8 weeks

期刊介绍： The journal publishes design details of a diversity of optical instruments, along with a strong section on computational optics useful to engineers, mathematicians, and physicists, as well as optical scientists. Issues of the English translation volume are published by OSA and appear at the same time as the Russian language edition, Opticheskii Zhurnal, which is produced by the Vavilov State Optical Institute

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