Solar‑Blind Ultraviolet Band‑Pass Filter Based on Coupling of Photonic Crystal Defects

Haoqiang Hou; Yibiao Yang; Min Wu; Hongming Fei; Xiaodan Zhao

doi:10.3788/AOS221815

Acta Optica Sinica, Volume. 43, Issue 9, 0923003(2023)

Solar‑Blind Ultraviolet Band‑Pass Filter Based on Coupling of Photonic Crystal Defects

Haoqiang Hou^1,2, Yibiao Yang^1,2、*, Min Wu^1,2, Hongming Fei^1,2, and Xiaodan Zhao^1,2

Author Affiliations

¹College of Physics and Optoelectronic Engineering, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

²Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

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Figures & Tables(11)

Fig. 1. Schematic of photonic crystal structure ${[{(H / L)}^{N_{1}} A {(H / L)}^{N_{1}}]}^{N_{2}}$

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$Distribution of refractive index n and extinction coefficient κ for Si3N4 and SiO2. (a) nSi3N4; (b) nSiO2; (c) κSi3N4; (d) κSiO2$

Fig. 2. Distribution of refractive index n and extinction coefficient κ for Si₃N₄ and SiO₂. (a) $n_{S i_{3} N_{4}}$ ; (b) $n_{S i O_{2}}$ ; (c) $κ_{S i_{3} N_{4}}$ ; (d) $κ_{S i O_{2}}$

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Fig. 3. Transmission spectra of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{N_{1}} A i r {(S i_{3} N_{4} / S i O_{2})}^{N_{1}}]}^{N_{2}}$

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Fig. 4. Transmission spectra of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{1} A i r {(S i_{3} N_{4} / S i O_{2})}^{1}]}^{N_{2}}$

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Fig. 5. Transmission spectra of photonic crystal with different medium thicknesses. (a) $d_{S i_{3} N_{4}}$ ; (b) $d_{S i O_{2}}$ ; (c) d_Air

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Fig. 6. Transmission spectra of photonic crystal when $d_{S i_{3} N_{4}}$ =30 nm, $d_{S i O_{2}}$ =40 nm, and d_Air=67 nm

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Fig. 7. Transmission spectra of photonic crystal at incident angles of 0°, 15°, 30°, and 45°. (a) 0°; (b) 15°; (c) 30°; (d) 45°

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Fig. 8. Photonic crystal transmission spectra when the incident angle varies from 0° to 45° for TE and TM modes. (a) TE mode;(b) TM mode

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Table 1. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{N_{1}} A i r {(S i_{3} N_{4} / S i O_{2})}^{N_{1}}]}^{N_{2}}$
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Table 1. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{N_{1}} A i r {(S i_{3} N_{4} / S i O_{2})}^{N_{1}}]}^{N_{2}}$
N₁ Left edge position /nm Right edge position /nm Bandwidth /nm
Transmittance /
%
1 240.3 282.5 42.2 89.99
2 251.5 265.6 14.1 88.00
3 254.9 260.8 5.9 82.00
4 256.5 259.0 2.5 70.43
5 257.2 258.3 1.1 49.68

Table 2. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{1} A i r {(S i_{3} N_{4} / S i O_{2})}^{1}]}^{N_{2}}$
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Table 2. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{1} A i r {(S i_{3} N_{4} / S i O_{2})}^{1}]}^{N_{2}}$
N₂ Left edge position /nm Right edge position /nm Bandwidth /nm
Transmittance /
%
1 227.7 322.7 95.0 78.07
2 238.8 286.5 47.7 85.04
3 240.2 282.4 42.2 90.04
4 240.1 282.2 42.1 91.01
5 239.8 282.8 43.0 90.07

Table 3. Transmission spectrum data of photonic crystal at incident angles of 0°, 15°, 30°, and 45° for TE and TM modes

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Table 3. Transmission spectrum data of photonic crystal at incident angles of 0°, 15°, 30°, and 45° for TE and TM modes

Incident angle /（°）	TE mode				TM mode
Incident angle /（°）	Left edge position /nm	Right edge position /nm	Bandwidth /nm	Transmittance / %	Left edge position /nm	Right edge position /nm	Bandwidth / nm	Transmittance / %
0	238.8	280.3	41.5	90.71	238.8	280.3	41.5	90.71
15	236.5	276.0	39.5	89.59	236.2	276.5	40.3	89.71
30	229.3	261.9	32.6	84.22	228.4	264.4	36.0	84.86
45	220.4	242.9	22.5	69.38	218.7	247.6	28.9	73.65

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Haoqiang Hou, Yibiao Yang, Min Wu, Hongming Fei, Xiaodan Zhao. Solar‑Blind Ultraviolet Band‑Pass Filter Based on Coupling of Photonic Crystal Defects[J]. Acta Optica Sinica, 2023, 43(9): 0923003

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Paper Information

Category: Optical Devices

Received: Oct. 12, 2022

Accepted: Dec. 5, 2022

Published Online: May. 9, 2023

The Author Email: Yang Yibiao (yangyibiao_tyut@sohu.com)

DOI:10.3788/AOS221815

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Transmission spectrum data of photonic crystal Si3N4/SiO2N1AirSi3N4/SiO2N1N2

Table 1. Transmission spectrum data of photonic crystal Si3N4/SiO2N1AirSi3N4/SiO2N1N2

Table 2. Transmission spectrum data of photonic crystal Si3N4/SiO21AirSi3N4/SiO21N2

Table 2. Transmission spectrum data of photonic crystal Si3N4/SiO21AirSi3N4/SiO21N2

Table 3. Transmission spectrum data of photonic crystal at incident angles of 0°, 15°, 30°, and 45° for TE and TM modes

Table 3. Transmission spectrum data of photonic crystal at incident angles of 0°, 15°, 30°, and 45° for TE and TM modes

Table 1. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{N_{1}} A i r {(S i_{3} N_{4} / S i O_{2})}^{N_{1}}]}^{N_{2}}$

Table 1. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{N_{1}} A i r {(S i_{3} N_{4} / S i O_{2})}^{N_{1}}]}^{N_{2}}$

Table 2. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{1} A i r {(S i_{3} N_{4} / S i O_{2})}^{1}]}^{N_{2}}$

Table 2. Transmission spectrum data of photonic crystal ${[{(S i_{3} N_{4} / S i O_{2})}^{1} A i r {(S i_{3} N_{4} / S i O_{2})}^{1}]}^{N_{2}}$