{"title":"Multi-azimuthal illumination total internal reflection microscopy based on dual wedge prism design.","authors":"Xiaoyu Jin, Kuo Shi, Kangpeng Huang, Zhensheng Zhang, Xu Liu, Fucai Zhang","doi":"10.1364/OL.561639","DOIUrl":null,"url":null,"abstract":"<p><p>High-quality and label-free total internal reflection microscopy with multi-azimuthal evanescent wave (EW) illumination is proposed based on a dual wedge prism (WP) design. The novel, to our knowledge, feature of this design is the use of two wedge prisms through the rotation of which evanescent waves with all-directional wave vectors are excited sequentially. By joining a half-wave plate (HWP), it is feasible to make the generated evanescent waves possess the same polarization directions at all azimuthal angles. Thus, it has the advantages of simple structure, ease of use, and low cost. In the experiments, we can resolve the high-fidelity and high-resolution structures of fabricated resolution test targets and silver nanowire (NW) samples that remain unresolved in a single direction total internal reflection microscope.</p>","PeriodicalId":19540,"journal":{"name":"Optics letters","volume":"50 13","pages":"4442-4445"},"PeriodicalIF":3.3000,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics letters","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1364/OL.561639","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"OPTICS","Score":null,"Total":0}
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Abstract
High-quality and label-free total internal reflection microscopy with multi-azimuthal evanescent wave (EW) illumination is proposed based on a dual wedge prism (WP) design. The novel, to our knowledge, feature of this design is the use of two wedge prisms through the rotation of which evanescent waves with all-directional wave vectors are excited sequentially. By joining a half-wave plate (HWP), it is feasible to make the generated evanescent waves possess the same polarization directions at all azimuthal angles. Thus, it has the advantages of simple structure, ease of use, and low cost. In the experiments, we can resolve the high-fidelity and high-resolution structures of fabricated resolution test targets and silver nanowire (NW) samples that remain unresolved in a single direction total internal reflection microscope.
期刊介绍：
The Optical Society (OSA) publishes high-quality, peer-reviewed articles in its portfolio of journals, which serve the full breadth of the optics and photonics community.
Optics Letters offers rapid dissemination of new results in all areas of optics with short, original, peer-reviewed communications. Optics Letters covers the latest research in optical science, including optical measurements, optical components and devices, atmospheric optics, biomedical optics, Fourier optics, integrated optics, optical processing, optoelectronics, lasers, nonlinear optics, optical storage and holography, optical coherence, polarization, quantum electronics, ultrafast optical phenomena, photonic crystals, and fiber optics. Criteria used in determining acceptability of contributions include newsworthiness to a substantial part of the optics community and the effect of rapid publication on the research of others. This journal, published twice each month, is where readers look for the latest discoveries in optics.
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