Diffractive Efficiency Prediction of Surface Relief Grating Waveguide Using Artificial Neural Network

被引:0
|
作者
Hsiao, Fu -Li [1 ]
Chang, Hsuan-Ming [1 ]
Lin, Wen -Kai [1 ]
Tsai, Ying-Pin [1 ]
机构
[1] Natl Changhua Univ Educ, Inst Photon, Changhua, Taiwan
关键词
surface relief grating; diffractive efficiency; finite element method; artificial neural network; FABRICATION; DESIGN;
D O I
10.46604/ijeti.2024.13434
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This study aims to develop lightweight and comfortable wearable devices using surface-relief grating, which can be designed to meet different diffraction conditions. However, extensive calculations must be performed to obtain the impact of the variation in the structural dimensions. The finite element method is used to solve the diffractive efficiency and then replaced by trained artificial neural networks with a single hidden layer containing 25 neurons. By using raw data with geometric parameters as the features, the performance of the network is investigated with different numbers of raw data; in addition, the regression analysis shows a high R-value of approximately 0.999. The predicted results are compared with those calculated from the simulation. The diffraction efficiency tendencies vary with the different geometric parameters, which show a high level of agreement between the predicted and calculated data; this confirms that the proposed method supports and reduces the burden of extensive calculations.
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页码:1 / 10
页数:10
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