The effects of optical and material properties on designing of a photonic crystal mechanical sensor

Li, Longqiu; Li, Tianlong; Ji, Fengtong; Song, Wenping; Zhang, Guangyu; Li, Yao

doi:10.1007/s00542-016-3186-7

Cited by 5 publications

(2 citation statements)

References 25 publications

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“…The energy level diagram of PCs is similar to the electronic energy level diagram in crystal physics. PCs can be used to develop all kinds of sensors, such as biochemical sensors, [6][7][8] mechanical sensors, [9,10] temperature sensors, [11,12] refractive index sensors, [13,14] and gas sensors; [15,16] optical modulation devices, such as optical fibers, [17,18] waveguides, [19][20][21][22][23][24] optical filters, [25][26][27] and microcavities; [28][29][30] and single-photon detectors. [31][32][33][34] Photonic crystal structures have been extensively studied in traditional materials.…”

Section: Introductionmentioning

confidence: 99%

A 3-5 μm broadband YBCO high-temperature superconducting photonic crystal

Liu

Jia

et al. 2023

Chinese Phys. B

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Photonic crystal structures have excellent optical properties, so they are widely studied in conventional optical materials. Recent research shows high-temperature superconducting periodic structures have natural photonic crystal features and are favourable candidates for single-photon detection. Considering that superconductors have completely different properties from conventional optical materials, we study the energy level diagram and mid-infrared 3–5 μm transmission spectrum of two-dimensional superconducting photonic crystals in both superconducting and quenched states with the finite element method. The energy level diagram of the circular crystal column superconducting structure shows that the structure has a large band gap width in both states. At the same fill factor, the circular crystal column superconducting structure has a larger band gap width than the other structures. For lattice structures, the zero transmission point of the square lattice structure is robust to the incident angle and environmental temperature. Our research has guiding significance for the design of new material photonic crystals, photon modulation and detection.

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Section: Introductionmentioning

confidence: 99%

A 3-5 μm broadband YBCO high-temperature superconducting photonic crystal

Liu

Jia

et al. 2023

Chinese Phys. B

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“…Terahertz wave sensors based on two -dimensional (2D) photonic crystal have been used in the extensive research field due to their widespread applications, ranging from disease diagnostics to environmental pollution detection [10][11][12]. The photonic crystal sensors demonstrate advantages such as label-free sensing ability, high sensitivity, high quality factor (Q-factor), and fast response speed [13][14][15][16][17][18][19]. Photonic crystal shows a strong wave confinement characteristic, and the resonant mode generated in the resonant cavity is highly sensitiv e to the changes of the surroundings [20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Terahertz wave refractive index sensor based on a sunflower-type photonic crystal

Yan

Miao

et al. 2020

Laser Phys.

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Refractive index sensing is attracting extensive interest in sensing fields using terahertz technology. For improving the performance of terahertz sensors, a sensing scheme based on high-density polyethylene sunflower-type circular photonic crystal structure is proposed. The designed sensor in this paper contains two symmetrical sample cells surrounding a cavity in a circular photonic crystal. The sensor characteristics depending on the structure parameters are numerically investigated. Finally, a sensitivity of 7828 nm RIU −1 , Q-factor of 185.91 and figure of merit of 1.89 are realized. This work is expected to lay the foundation of realization of high-performance terahertz wave sensors and may find potential applications in biological and chemical sensing.

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