Laser & Optoelectronics Progress, Volume. 55, Issue 6, 062203(2018)
Structure Optimization of AlGaN-Based Ultraviolet Distributed Bragg Reflector
Figures & Tables(7)
Fig. 2. Measured and simulated reflection spectrometry of Al0.3Ga0.7N/AlN DBR with 30 pairs
Fig. 3. Simulated DBR reflection spectra with changed and unchanged thickness of AlGaN
Fig. 4. Reflection spectrometry of AlN/Al0.3Ga0.7N DBR and Al0.3Ga0.7N/AlN DBR with 30 pairs
Table 1. Relationship of correlation coefficient and correlation degree
View tableTable 1. Relationship of correlation coefficient and correlation degree
Correlation degree 1.0-0.9 Very strong 0.9-0.7 Strong 0.7-0.5 Weak <0.5 Very weak
Table 2. Correlation coefficients between AlGaN's thickness and center wavelength or reflectivity
View tableTable 2. Correlation coefficients between AlGaN's thickness and center wavelength or reflectivity
Iterm AlGaN's thickness Center wavelength Reflectivity AlGaN's thickness 1 Center wavelength 0.915042496 1 Reflectivity -0.895691451 -0.877 521 154 1
Table 3. Correlation coefficient of the layer's order in the DBR period and reflectivity
View tableTable 3. Correlation coefficient of the layer's order in the DBR period and reflectivity
Iterm Wavelength Changed Original Wavelength 1 Changed -0.662722357 1 Original -0.662199086 0.903308 1
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Lili Zhang, Zhanhui Liu, Xia Zhong. Structure Optimization of AlGaN-Based Ultraviolet Distributed Bragg Reflector[J]. Laser & Optoelectronics Progress, 2018, 55(6): 062203
Paper Information
Category: Optical Design and Fabrication
Received: Nov. 14, 2017
Accepted: --
Published Online: Sep. 11, 2018
The Author Email: Lili Zhang (zllpaper@163.com)
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