Birefringence induced Vernier effect in optical fiber modal interferometers for enhanced sensing
文献类型：期刊论文
| 作者 | Kaiwei Li; Nan Zhang; Nancy Meng Ying Zhang; Wenchao Zhou; Ting Zhang; Ming Chen; Lei Wei |
| 刊名 | SENSORS AND ACTUATORS B-CHEMICAL
 |
| 出版日期 | 2018 |
| 文献子类 | 期刊论文 |
| 英文摘要 | We report a simple and effective method to improve the sensitivities of fiber-optic modal interferometers with birefringence induced Vernier effect. Taking optical microfiber coupler as an example, we study the sensitivity enhancement of a microfiber coupler for refractive index (RI) sensing both theoretically and experimentally in the RI range of 1.33–1.35 where bioassays are typically carried out. Numerical results show that by tracing the wavelength shifts of dips in the envelope formed by the Vernier effect, RI sensitivities can be improved by almost one order of magnitude compared to the sensors without the Vernier effect. Then we experimentally achieve an ultra-high sensitivity of 35,823.3 nm/RIU using a microfiber coupler with a width of 3.2 μm. More importantly, we apply this ultra-sensitive sensor to detect human cardiac troponin, and a limit of detection of 1 ng/mL is achieved. This sensor is simple in configuration andcan serve as a bio-photonic platform for clinical diagnostics environmental monitoring and food safety. |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| 源URL | [http://ir.siat.ac.cn:8080/handle/172644/13484]  |
| 专题 | 深圳先进技术研究院_集成所 |
| 推荐引用方式 GB/T 7714 | Kaiwei Li,Nan Zhang,Nancy Meng Ying Zhang,et al. Birefringence induced Vernier effect in optical fiber modal interferometers for enhanced sensing[J]. SENSORS AND ACTUATORS B-CHEMICAL,2018. |
| APA | Kaiwei Li.,Nan Zhang.,Nancy Meng Ying Zhang.,Wenchao Zhou.,Ting Zhang.,...&Lei Wei.(2018).Birefringence induced Vernier effect in optical fiber modal interferometers for enhanced sensing.SENSORS AND ACTUATORS B-CHEMICAL. |
| MLA | Kaiwei Li,et al."Birefringence induced Vernier effect in optical fiber modal interferometers for enhanced sensing".SENSORS AND ACTUATORS B-CHEMICAL (2018). |
入库方式： OAI收割
来源：深圳先进技术研究院
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