1. Technical University of Denmark (DTU)

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    1. Mentioned In 91 Articles

    2. Optical Radiomic Signatures Derived from Optical Coherence Tomography Images to Improve Identification of Melanoma

      Explore Cancer Research Oncology , Ophthalmology
      Optical Radiomic Signatures Derived from Optical Coherence Tomography Images to Improve Identification of Melanoma
      The current gold standard for the clinical diagnosis of melanoma is excisional biopsy and histopathologic analysis. Approximately 15-30 benign lesions are biopsied to diagnose each melanoma. Additionally, biopsies are invasive and result in pain, anxiety, scarring and disfigurement of patients which can add an additional burden to the health care system. Among several imaging techniques developed to enhance melanoma diagnosis, optical coherence tomography (OCT), with its high-resolution and intermediate penetration ...
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      Mentions: Peter E. Andersen Technical University of Denmark (DTU)

    4. Noise of supercontinuum sources in spectral domain optical coherence tomography

      Explore OSA | OSA Publishing Broadband Sources
      Noise of supercontinuum sources in spectral domain optical coherence tomography
      In this paper, we investigate the effect of pulse-to-pulse fluctuations of supercontinuum sources on the noise in spectral domain optical coherence tomography (OCT) images. The commonly quoted theoretical expression for the OCT noise is derived for a thermal light source, which is not suitable if a supercontinuum light source is used. We therefore propose a new, measurement-based OCT noise model that predicts the noise without any assumptions on the type ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    5. Real-time high-resolution mid-infrared optical coherence tomography

      Explore Nature Publishing Group
      Real-time high-resolution mid-infrared optical coherence tomography
      The potential for improving the penetration depth of optical coherence tomography systems by using light sources with longer wavelengths has been known since the inception of the technique in the early 1990s. Nevertheless, the development of mid-infrared optical coherence tomography has long been challenged by the maturity and fidelity of optical components in this spectral region, resulting in slow acquisition, low sensitivity, and poor axial resolution. In this work, a ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    6. Semiconductor Lasers and Diode-based Light Sources for Biophotonics (Textbook)

      Explore theiet.org
      Semiconductor Lasers and Diode-based Light Sources for Biophotonics (Textbook)
      Semiconductor lasers are small, reliable, low cost, high-performance and user-friendly optical devices which make them highly suitable for a variety of biomedical applications. This edited book gathers experts in the field to cover the fundamentals and technology advances of semiconductor lasers and diode-based lasers with a focus on their applications in medical optics and biophotonics including edge-emitting semiconductor lasers and light emitting diodes, Q-switched and mode-locked lasers, quantum cascade lasers ...
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      Mentions: Peter E. Andersen Technical University of Denmark (DTU) Sebastian Marschall

    7. Real‐time High‐Resolution Mid‐infrared Optical Coherence Tomography

      Explore arxiv.org
      Real‐time High‐Resolution Mid‐infrared Optical Coherence Tomography
      The potential for improving the penetration depth of optical coherence tomography systems by using increasingly longer wavelength light sources has been known since the inception of the technique in the early 1990s. Nevertheless, the development of mid‐infrared optical coherence tomography has long been challenged by the maturity and fidelity of optical components in this spectral region, resulting in slow acquisition, low sensitivity, and poor axial resolution. In this work ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    9. Q-switched based supercontinuum source towards low-cost ultra-high resolution optical coherence tomography

      Explore SPIE Digital Library Broadband Sources
      Q-switched based supercontinuum source towards low-cost ultra-high resolution optical coherence tomography
      Supercontinuum (SC) light source is certainly one of the best option for ultra-high resolution optical coherence tomography (UHR-OCT). Over the last few years several demonstrations have been done for each commonly used wavelength range [1-2-3]. Nowadays, SC dedicated to UHR-OCT is a mature technology with turn-key commercially available system [4]. The new challenge to answer for SC source is the cost reduction one. In this study, we demonstrate that a ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    10. Two optical coherence tomography systems detect topical gold nanoshells in hair follicles, sweat ducts and measure epidermis

      Explore Wiley Online Library Dermatology
      Two optical coherence tomography systems detect topical gold nanoshells in hair follicles, sweat ducts and measure epidermis
      Optical coherence tomography (OCT) is an optical imaging technology that enables real time, high‐resolution, cross‐sectional and en face investigation of skin by detecting reflected broad‐spectrum near‐infrared light from tissue. OCT provides micron‐scale spatial resolution and millimeter‐scale depth of penetration [1]. Several commercial OCT systems with handheld probes targeted for Dermatology are now available [2].
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    11. In-vivo detection of the skin dermo-epidermal junction by ultrahigh resolution optical coherence tomography

      Explore SPIE Digital Library Dermatology
      In-vivo detection of the skin dermo-epidermal junction by ultrahigh resolution optical coherence tomography
      The human skin is comprised by two layers; epidermis and dermis, separated by the dermo-epidermal junction (DEJ). The relevance of depicting DEJ and measurement of the epidermal thickness (ET) is e.g. seen for superficial skin cancers where delineation of DEJ is of prime prognostic importance. Another example is diagnosis of psoriasis where a thickened epidermis and a ridged DEJ is a hallmark. Histopathological examination of biopsied tissue is traditionally ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    12. All-depth dispersion cancellation in spectral domain optical coherence tomography using numerical intensity correlations

      Explore arxiv.org
      All-depth dispersion cancellation in spectral domain optical coherence tomography using numerical intensity correlations
      In ultra-high resolution (UHR-) optical coherence tomography (OCT) group velocity dispersion (GVD) must be corrected for in order to approach the theoretical resolution limit. One approach promises not only compensation, but complete annihilation of even order dispersion effects, and that at all sample depths. This approach has hitherto been demonstrated with an experimentally demanding balanced detection configuration based on using two detectors. We demonstrate intensity correlation (IC) OCT using a ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)

    13. Special Section Guest Editorial: Commemorating 25 Years of Optical Coherence Tomography: a Perspective on Biomedical Applications

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      Special Section Guest Editorial: Commemorating 25 Years of Optical Coherence Tomography: a Perspective on Biomedical Applications
      ptical coherence tomography (OCT) has become a major medical imaging technology in the time since its inception now more than 25 years ago. During this time, OCT has become very well established in ophthalmology, and this application area largely dominates the field. Next in importance and stage of development is cardiovascular medicine, also a strongly commercial technology, but at an earlier stage and a slower pace of uptake than ophthalmology ...
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      Mentions: Peter E. Andersen David D. Sampson University of Washington

    14. Q-switch-pumped supercontinuum for ultra-high resolution optical coherence tomography

      Explore OSA | OSA Publishing
      Q-switch-pumped supercontinuum for ultra-high resolution optical coherence tomography
      In this Letter, we investigate the possibility of using a commercially availableQ-switch-pumped supercontinuum (QS-SC) source, operating in the kilohertz regime, for ultra-high resolution optical coherence tomography (UHR-OCT) in the 1300nm region. The QS-SC source proves to be more intrinsically stable from pulse to pulse than a mode-locked-based SC (ML-SC) source while, at the same time, is less expensive. However, its pumping rate is lower than that used in ML-SC sources ...
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      Mentions: Adrian G. Podoleanu University of Kent Technical University of Denmark (DTU)
    17. 1-15 of 91 1 2 3 4 5 6 »
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  4. About Technical University of Denmark (DTU)

    Technical University of Denmark (DTU)

    Technical University of Denmark (DTU) was founded in 1829.  The university was merged with the following Danish research centers: Forskningscenter Risø, Danmarks Fødevareforskning, Danmarks Fiskeriundersøgelser; National Institute for Aquatic Resources; Danmarks Rumcenter, and Danmarks Transport-Forskning. DTU Fotonik, Department of Photonics Engineering is a department at the Technical University of Denmark.

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