1. Articles from Jakub Czajkowski

    1-3 of 3
    1. Optical Coherence Tomography as a Characterization Method in Printed Electronics (Thesis)

      Optical Coherence Tomography as a Characterization Method in Printed Electronics (Thesis)

      This Thesis proposes and describes the use of optical coherence tomography (OCT) as a non-contact and non-destructive characterization technique for printed electronics. It is based on and includes the first published results of such an application of the OCT technique. Several different types of structures were studied to evaluate the feasibility of the application. The measurement data was used to define the surface topography, physical dimensions of the specimen features, and to evaluate the ability to characterize multi-layered and multi-material structures. Presented OCT measurements were done for: screen-printed conductive and insulating structures, microfluidic channels, microscopy glass and organic field effect ...

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    2. Optical coherence tomography as an accurate inspection and quality evaluation technique in paper industry

      Optical coherence tomography as an accurate inspection and quality evaluation technique in paper industry
      Optical coherence tomography (OCT), a technique for the noninvasive imaging of turbid media, based on low-coherence interferometry, was originally developed for the imaging of biological tissues. Since the development of the technique, most of its applications have been related to the area of biomedicine. However, from early stages, the vertical resolution of the technique has already been improved to a submicron scale. This enables new possibilities and applications. This article presents the possible applications of OCT in paper industry, where submicron or at least a resolution close to one micron is required. This requirement comes from the layered structure of ...
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    3. Optical coherence tomography as a method of quality inspection for printed electronics products

      Optical coherence tomography as a method of quality inspection for printed electronics products
      Application of time domain, ultra high resolution optical coherence tomography (UHR-OCT) in printed electronics products’ quality inspection is demonstrated. Presented study was done using experimental UHR-OCT device based on a Kerr-lens mode locked Ti:sapphire femtosecond laser, photonic crystal fibre and modified, free-space Michelson interferometer. Possibilities of the technique are demonstrated by analysis of an RF antenna—example of printed electronics products. Measurements were done with submicron axial resolution, offered by UHR-OCT system developed in our laboratory. Such high resolution is necessary due to the thickness of material layers used in printed electronics. In addition to tomography imaging, numerical results ...
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    1-3 of 3
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  2. Topics in the News

    1. (3 articles) University of Oulu
    2. (3 articles) Jakub Czajkowski
    3. (3 articles) Risto A. Myllylä
    4. (2 articles) Erkki Alarousu
    5. (1 articles) National Taiwan University
    6. (1 articles) Singapore Eye Research Institute
    7. (1 articles) Columbia University
    8. (1 articles) Seoul National University
    9. (1 articles) UT Southwestern Medical Center
    10. (1 articles) Donald C. Hood
    11. (1 articles) K. Bailey Freund
    12. (1 articles) Carl Zeiss Meditec
    13. (1 articles) Apollo Medical Optics
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    Optical coherence tomography as an accurate inspection and quality evaluation technique in paper industry Optical coherence tomography as a method of quality inspection for printed electronics products Optical Coherence Tomography as a Characterization Method in Printed Electronics (Thesis) Forward genetic analysis using OCT screening identifies Sfxn3 mutations leading to progressive outer retinal degeneration in mice Optical coherence tomography characteristics of taxane-induced macular edema and other multimodal imaging findings Comparison of different morphologies of choroidal neovascularization evaluated by optical coherence tomography angiography in age‐related macular degeneration The Use of Optical Coherence Tomography Angiography in the Diagnosis of Inflammatory Type 1 Choroidal Neovascularization Secondary to Tuberculosis: A Case Report Improving the Detection of Glaucoma and Its Progression: A Topographical Approach Vulnerability Zone of Glaucoma Progression in Combined Wide-field Optical Coherence Tomography Event-based Progression Analysis The Application of Non-invasive and Cellular Level Resolution Fullfield Optical Coherence Tomography: Establishment and Analysis of Subcutaneous Cellular Level Image Database of Anatomical Locations in Healthy Volunteers and Evaluation of Usability Anterior Segment Optical Coherence Tomography (AS-OCT) Guided Reversal of Edematous Punctal Occlusion Optical coherence tomography angiography markers associated with treatment response in neovascular age-related macular degeneration