全圆锥入射下基于一维共振波导光栅的入射角调谐滤波器

樊丽娜; 沙金巧; 曹召良

doi:10.37188/CO.EN-2023-0030

Volume 17 Issue 2

Mar. 2024

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Chinese Optics > 2024 > 17(2): 493-500.

FAN Li-na, SHA Jin-qiao, CAO Zhao-liang. Incident angle-tuned filter based on 1D resonant waveguide grating in full conical mounting[J]. Chinese Optics, 2024, 17(2): 493-500. doi: 10.37188/CO.EN-2023-0030

Citation:

FAN Li-na, SHA Jin-qiao, CAO Zhao-liang. Incident angle-tuned filter based on 1D resonant waveguide grating in full conical mounting[J]. Chinese Optics, 2024, 17(2): 493-500. doi: 10.37188/CO.EN-2023-0030

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Incident angle-tuned filter based on 1D resonant waveguide grating in full conical mounting

doi: 10.37188/CO.EN-2023-0030

School of Physical Science and Technology, Suzhou University of Science and Technology, Suzhou 215009, China

Funds: Supported by Jiangsu Key Disciplines of the Fourteenth Five-Year Plan (No. 2021135); Key Research and De-Velopment Project of the Department of Science and Technology of Jilin Province (No. 20220203033SF)

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Author Bio:
Fan Li-na (1980—), female, Yuci city, Shanxi province, Ph.D., received her Ph.D. from the University of Shanghai for Science and Technology in 2020 and is mainly engaged in research on micro-nano optical devices. E-mail: lnfan@mail.usts.edu.cn
Corresponding author: lnfan@mail.usts.edu.cn
Received Date: 19 Nov 2023
Rev Recd Date: 05 Dec 2023
Accepted Date: 29 Dec 2023

Available Online: 09 Jan 2024

Abstract

Abstract

This paper proposes and demonstrates a tunable filter using full conical mounting. The designed 1D resonant waveguide grating presents a tunable single reflection peak. The peak reflectance can theoretically reach 100%. The resonant wavelength can be tuned from 642.5 nm to 484.6 nm by changing the incident angle. The resonance between the 1st-order diffracted wave and fundamental transverse electric (TE) guided mode generates the reflection peak. This feature was achieved by optimizing the grating thickness to support the TE guided mode and suppress the transverse magnetic (TM) guided mode. The same concept can be applied to tunable filters with high dynamic range by increasing the thickness and period of grating in equal proportion.
- tunable filters,
- resonant waveguide gratings,
- incident angle,
- full conical mounting

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References(28)

References

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