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Search results for: MICROCAVITY MACH-ZEHNDER INTERFEROMETERS

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Search results for: MICROCAVITY MACH-ZEHNDER INTERFEROMETERS

  • Zespół Metrologii i Optoelektroniki

    * komputerowo wspomagana metrologia i diagnostyka * projektowanie systemów * mikrosystemów i makrosystemów elektronicznych * testowanie i diagnostyka elektroniczna * pomiary właściwości szumowych i zakłóceń * spektroskopia impedancyjna * telemetria i telediagnostyka internetowa * katedra redaguje Metrology and Measurement Systems * kwartalnik PAN znajdujący się na liście JCR

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Search results for: MICROCAVITY MACH-ZEHNDER INTERFEROMETERS

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Search results for: MICROCAVITY MACH-ZEHNDER INTERFEROMETERS

  • Long-Period Gratings and Microcavity In-Line Mach Zehnder Interferometers as Highly Sensitive Optical Fiber Platforms for Bacteria Sensing

    Publication
    • T. Eftimov
    • M. Janik
    • M. Koba
    • M. Śmietana
    • P. Mikulic
    • W. J. Bock

    - SENSORS - Year 2020

    Selected optical fiber sensors offer extraordinary sensitivity to changes in external refractive (RI), which make them promising for label-free biosensing. In this work the most sensitive ones, namely long-period gratings working at (DTP-LPG) and micro-cavity in-line Mach-Zehnder interferometers (µIMZI) are discussed for application in bacteria sensing. We describe their working principles and RI sensitivity when operating in water...

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  • Combined Long-Period Fiber Grating and Microcavity In-Line Mach–Zehnder Interferometer for Refractive Index Measurements with Limited Cross-Sensitivity

    Publication
    • M. Janik
    • M. Koba
    • K. Król
    • P. Mikulic
    • W. J. Bock
    • M. Śmietana

    - SENSORS - Year 2020

    This work discusses sensing properties of a long-period grating (LPG) and microcavity in-line Mach–Zehnder interferometer (µIMZI) when both are induced in the same single-mode optical fiber. LPGs were either etched or nanocoated with aluminum oxide (Al2O3) to increase its refractive index (RI) sensitivity up to ≈2000 and 9000 nm/RIU, respectively. The µIMZI was machined using a femtosecond laser as a cylindrical cavity (d = 60...

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  • Optical fiber aptasensor for label-free bacteria detection in small volumes

    Publication

    - SENSORS AND ACTUATORS B-CHEMICAL - Year 2021

    Highly sensitive devices for fast bacteria detection are sought to be developed with the task of quantifying the worldwide problem of pathogenic bacteria and thus helping to take control over spreading bacterial infections. This work concerns a sensing solution based on microcavity in-line Mach-Zehnder interferometer (μIMZI) induced in an optical fiber. Such a device exhibits ultrahigh sensitivity to refractive index changes...

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  • Low-volume label-free SARS-CoV-2 detection with the microcavity-based optical fiber sensor

    Publication
    • M. Janik
    • T. Gabler
    • M. Koba
    • M. Panasiuk
    • Y. Dashkevich
    • T. Łęga
    • A. Dąbrowska
    • A. Naskalska
    • S. Żołędowska
    • D. Nidzworski... and 3 others

    - Scientific Reports - Year 2023

    Accurate and fast detection of viruses is crucial for controlling outbreaks of many diseases; therefore, to date, numerous sensing systems for their detection have been studied. On top of the performance of these sensing systems, the availability of biorecognition elements specific to especially the new etiological agents is an additional fundamental challenge. Therefore, besides high sensitivity and selectivity, such advantages...

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  • Real-time isothermal DNA amplification monitoring in picoliter volumes using an optical fiber sensor

    Publication
    • M. Janik
    • S. V. Hamidi
    • M. Koba
    • J. Perreault
    • R. Walsh
    • W. J. Bock
    • M. Śmietana

    - LAB ON A CHIP - Year 2021

    Rolling circle amplification (RCA) of DNA can be considered as a great alternative to the gold standard polymerase chain reaction (PCR), especially during this pandemic period, where rapid, sensitive, and reliable test results for hundreds of thousands of samples are required daily. This work presents the first research to date on direct, real-time and label-free isothermal DNA amplification monitoring using a microcavity in-line...

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