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A polarization sensitive interferometer:Delta interferometer

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【作者】 卫超奇刘建彬董翼飞孙雨农周宇郑淮斌刘严严闫秀生李福利徐卓

【Author】 Chao-Qi Wei;Jian-Bin Liu;Yi-Fei Dong;Yu-Nong Sun;Yu Zhou;Huai-Bin Zheng;Yan-Yan Liu;Xiu-Sheng Yan;Fu-Li Li;Zhuo Xu;Key Laboratory of Multifunctional Materials and Structures, Ministry of Education & International Center for Dielectric Research,School of Electronic Science and Engineering, Xi’an Jiaotong University;MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Department of Applied Physics,Xi’an Jiaotong University;Science and Technology on Electro-Optical Information Security Control Laboratory;

【通讯作者】 刘建彬;

【机构】 Key Laboratory of Multifunctional Materials and Structures, Ministry of Education & International Center for Dielectric Research,School of Electronic Science and Engineering, Xi’an Jiaotong UniversityMOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Department of Applied Physics,Xi’an Jiaotong UniversityScience and Technology on Electro-Optical Information Security Control Laboratory

【摘要】 A new type of polarization sensitive interferometer is proposed, named the Delta interferometer, inspired by its geometry resembling the Greek letter Delta. The main difference between the Delta interferometer and other existing interferometers, such as Michelson, Mach–Zehnder and Young’s double-slit interferometers, is that the two interfering paths are asymmetrical in the Delta interferometer. The visibility of the first-order interference pattern observed in the Delta interferometer is dependent on the polarization of the incidental light. Optical coherence theory is employed to interpret this phenomenon and single-mode continuous-wave laser light is employed to verify the theoretical predictions. The theoretical and experimental results are consistent. The Delta interferometer is a perfect tool to study the reflection of electromagnetic fields in different polarizations and may find applications in polarization-sensitive scenarios.

【Abstract】 A new type of polarization sensitive interferometer is proposed, named the Delta interferometer, inspired by its geometry resembling the Greek letter Delta. The main difference between the Delta interferometer and other existing interferometers, such as Michelson, Mach–Zehnder and Young’s double-slit interferometers, is that the two interfering paths are asymmetrical in the Delta interferometer. The visibility of the first-order interference pattern observed in the Delta interferometer is dependent on the polarization of the incidental light. Optical coherence theory is employed to interpret this phenomenon and single-mode continuous-wave laser light is employed to verify the theoretical predictions. The theoretical and experimental results are consistent. The Delta interferometer is a perfect tool to study the reflection of electromagnetic fields in different polarizations and may find applications in polarization-sensitive scenarios.

【基金】 Project supported by the Shanxi Key Research and Development Project (Grant No. 2019ZDLGY09-08);Shanxi Nature and Science Basic Research Project (Grant No. 2019JLP-18)
  • 【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2024年03期
  • 【分类号】O436.1
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