ArticleIEEE photonics technology letters : a publication of the IEEE Laser and Electro-optics Society2021
Free-Space Excitation of Optofluidic Devices for Pattern-Based Single Particle Detection.
Article in IEEE photonics technology letters : a publication of the IEEE Laser and Electro-optics Society, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Comparison of Illumination Methods for Flow-Through Optofluidic Biosensors.Micromachines · 2023Article
- FPGA Integrated Optofluidic Biosensor for Real-Time Single Biomarker Analysis.IEEE photonics journal · 2022Article
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5 authors.
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Abstract
Optofluidic sensors have enabled single molecule sensing using planar, waveguide dependent multi-spot fluorescence excitation. Here, we demonstrate a new approach to single-particle fluorescence sensing using free-space, top-down illumination of liquid-core antiresonant reflecting optical waveguide (ARROW) devices using two different multi-spot excitation techniques. First, the liquid core ARROW waveguide is excited with a focused beam through a slit pattern milled into an opaque aluminum film, showing comparable performance for single bead fluorescence detection as in-plane, multi-mode interference waveguide based excitation. The second top-down illumination technique images the spot pattern from a Y-splitter SiO
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