Lili Zhang, Zhanhui Liu, Xia Zhong. Structure Optimization of AlGaN-Based Ultraviolet Distributed Bragg Reflector[J]. Laser & Optoelectronics Progress, 2018, 55(6): 062203
- Laser & Optoelectronics Progress
- Vol. 55, Issue 6, 062203 (2018)
Fig. 1. Schematic of DBR structure
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
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Table 1. Relationship of correlation coefficient and correlation degree
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Table 2. Correlation coefficients between AlGaN's thickness and center wavelength or reflectivity
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Table 3. Correlation coefficient of the layer's order in the DBR period and reflectivity
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