1. Articles mentioning both Dresden University of Technology and Lars Kirsten

    1-24 of 32 1 2 »

    1. Endoscopic Optical Coherence Tomography for Evaluation of Success of Tympanoplasty

      Explore LWW Online Otolaryngology
      Endoscopic Optical Coherence Tomography for Evaluation of Success of Tympanoplasty
      Objective: After tympanoplasty , it is often challenging to differentiate between different causes of a remaining air bone gap (ABG). Optical coherence tomography (OCT) offers a new approach for combined morphologic and functional measurements of the tympanic membrane and adjacent parts of the middle ear. Thus, it provides valuable diagnostic information in patients with a reduced sound transfer after middle ear surgery. Patient and intervention: A patient with history of tympanoplasty ...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten

    2. Evaluation of middle ear reconstruction by endoscopic Optical Coherence Tomography

      Explore Thieme Otolaryngology
      Evaluation of middle ear reconstruction by endoscopic Optical Coherence Tomography
      Introduction Endoscopic Optical Coherence Tomography (eOCT) allows high-resolution 3-dimensional imaging of the tympanic membrane and the adjacent areas of the middle ear. Doppler-OCT enables oscillation measurement. Thus, the postoperative outcome of tympanoplasty can be evaluated. Material and Methods 5 Patients were examined after tympanoplasty using eOCT. The system utilizes a near infrared laser with a central wavelength of 1300 nm and a working range of 8 mm. The thickness of ...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten

    3. Device and system for doppler optical coherence tomography (OCT) of the human middle ear

      Explore uspto.gov Otolaryngology , Patents , Probes
      Device and system for doppler optical coherence tomography (OCT) of the human middle ear
      A device for Doppler optical coherence tomography (Doppler OCT), preferably of the human middle ear, is proposed. The device has an endoscope unit for at least partial insertion into the auditory canal. A sound source, a sound receiver, and OCT optics are integrated in the endoscope unit.
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten

    4. Correlation between Lesion Progression and Depolarization Assessed by Polarization-Sensitive Optical Coherence Tomography

      Explore MDPI Open Access Journals Platform Dentistry
      Correlation between Lesion Progression and Depolarization Assessed by Polarization-Sensitive Optical Coherence Tomography
      The detection of early stages of caries is still one of the major challenges in preservative dentistry. Since it is known from polarized light microscopy (PLM) that intrinsic enamel birefringence is affected by demineralization, polarization-sensitive optical coherence tomography (PSOCT) could facilitate the noninvasive detection and assessment of early carious lesions. The present study aims to correlate enamel lesion progression and depolarization measurements based on PSOCT in an artificial demineralization model ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    5. Quality Assessment of Tympanoplasty by Means of Endoscopic Optical Coherence Tomography

      Explore Thieme Otolaryngology
      Quality Assessment of Tympanoplasty by Means of Endoscopic Optical Coherence Tomography
      Introduction: The endoscopic optical coherence tomography (eOCT) allows the direct, contactless representation and evaluation of the morphology and oscillation behaviour of the tympanic membrane and adjoining tympanic cavity content. After further development of the measuring technology, the eOCT will be able to be used in vivo for the assessment of tympanoplasty results. Materials and Methods: The eOCT was applied to 10 patients after a tympanoplasty with an intact ossicular chain ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    6. Endoscopic Optical Coherence Tomography in Diagnostics of Otosclerosis

      Explore Thieme Otolaryngology
      Endoscopic Optical Coherence Tomography in Diagnostics of Otosclerosis
      Introduction: Endoscopic Optical Coherence Tomography (eOCT) enables both high-resolution contact-free 3D-imaging of the tympanic membrane and spatial and frequency-resolved oscillation measurement via Doppler-OCT. Thus it is possible to detect causes of conduction hearing loss. In case of otosclerosis, changes in oscillation amplitude at the umbo had been showed via Laser-Doppler-Vibrometry. Material and Methods: The eOCT system utilizes a swept source laser with a wave length around 1300nm. Field-of-view and working ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    7. Endoscopic optical coherence tomography with wide field-of-view for the morphological and functional assessment of the human tympanic membrane

      Explore SPIE Digital Library Otolaryngology , Probes
      Endoscopic optical coherence tomography with wide field-of-view for the morphological and functional assessment of the human tympanic membrane
      An endoscopic optical coherence tomography (OCT) system with a wide field-of-view of 8 mm is presented, which combines the image capability of endoscopic imaging at the middle ear with the advantages of functional OCT imaging, allowing a morphological and functional assessment of the human tympanic membrane. The endoscopic tube has a diameter of 3.5 mm and contains gradient-index optics for simultaneous forward-viewing OCT and video endoscopy. The endoscope allows ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    8. Visualization of interfacial adhesive defects at dental restorations with spectral domain and polarization sensitive optical coherence tomography

      Explore Home Dentistry
      Visualization of interfacial adhesive defects at dental restorations with spectral domain and polarization sensitive optical coherence tomography
      Restoration loss based on interfacial adhesive defects and associated caries at the restoration margin are the main causes for invasive replacement of dental restorations. Assessment of the interfacial quality based on clinical inspection and radiographic examination is often difficult and not reliable. In this work, we present spectral domain optical coherence tomography (SDOCT) and polarization sensitive optical coherence tomography (PSOCT) for the evaluation of tooth-composite bond failure. Imaging of two ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    9. Optical Coherence Tomography for NDE (Book Chapter)

      Explore Home - Springer NDE/NDT , Textbooks
      Optical Coherence Tomography for NDE (Book Chapter)
      Optical coherence tomography (OCT) is a noninvasive, high-resolution, interferometric imaging modality using near-infrared light to acquire cross sections and three-dimensional images of the subsurface microstructure of samples. Because of the rapid enhancement of OCT with respect to acquisition speed and axial resolution over the past years, OCT is becoming more and more attractive for applications in nondestructive testing and evaluation. In this chapter, a brief introduction to the technique and ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    10. A System for Clinical Use of Endoscopic Optical Coherence Tomography

      Explore Thieme Otolaryngology , Probes
      A System for Clinical Use of Endoscopic Optical Coherence Tomography
      Introduction: Optical Coherence Tomography (OCT) allows non-invasive high-resolution imaging of tissues. With a penetration depth of a few millimeters it's possible to image the tympanic membrane and the close-by part of the tympanum, e.g. for diagnostics of otitis media and middle ear effusion. In the field of in vivo examination there are difficulties in access to the human tympanic membrane due to the narrow and curved external ear ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    11. Detection of carious lesions utilizing depolarization imaging by polarization sensitive optical coherence tomography

      Explore SPIE Digital Library Dentistry
      Detection of carious lesions utilizing depolarization imaging by polarization sensitive optical coherence tomography
      As dental caries is one of the most common diseases, the early and noninvasive detection of carious lesions plays an important role in public health care. Optical coherence tomography (OCT) with its ability of depth-resolved, high-resolution, noninvasive, fast imaging has been previously recognized as a promising tool in dentistry. Additionally, polarization sensitive imaging provides quantitative measures on the birefringent tissue properties and can be utilized for imaging dental tissue, especially ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    12. In vivo imaging of human oral hard and soft tissues by polarization-sensitive optical coherence tomography

      Explore SPIE Digital Library
      In vivo imaging of human oral hard and soft tissues by polarization-sensitive optical coherence tomography
      Since optical coherence tomography (OCT) provides three-dimensional high-resolution images of biological tissue, the benefit of polarization contrast in the field of dentistry is highlighted in this study. Polarization-sensitive OCT (PS OCT) with phase-sensitive recording is used for imaging dental and mucosal tissues in the human oral cavity in vivo . An enhanced polarization contrast of oral structures is reached by analyzing the signals of the co- and crosspolarized channels of the ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    13. Advanced analysis of domain walls in Mg doped LiNbO3 crystals with high resolution OCT

      Explore OSA | OSA Publishing NDE/NDT
      Advanced analysis of domain walls in Mg doped LiNbO3 crystals with high resolution OCT
      The structure of domain walls (DW) in ferroelectric media is of great interest as this material is used for frequency doublers and other applications. We show that the structure of the DWs can nicely be visualized by high resolution optical coherence tomography (OCT). While the high group refractive index of lithium niobate allows a resolution much better than 1 m, the large dispersion can blur the image and has to ...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Peter Cimalla

    14. Doppler optical coherence tomography as a promising tool for detecting fluid in the human middle ear

      Explore Home Otolaryngology
      Doppler optical coherence tomography as a promising tool for detecting fluid in the human middle ear
      The treatment of otitis media requires classifying the effusion in the tympanic cavity for choosing appropriate therapeutic strategies. Otoscopic examination of the middle ear depends on the expertise of the physician and is often hampered in case of inflammatory alterations of the tympanic membrane. In otologic research, optical coherence tomography is an innovative non-invasive imaging technique utilized for visualizing the tympanic membrane. This ex vivo study presents the possibility of ...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten

    16. Improved non-invasive Optical Coherence Tomography detection of different engineered nanoparticles in food-mimicking matrices

      Explore ScienceDirect Other Non-Medical
      Improved non-invasive Optical Coherence Tomography detection of different engineered nanoparticles in food-mimicking matrices
      Food industry and regulators require fast and reliable analytical methods for quality control. This especially counts for the detection of engineered nanomaterials (ENMs) in food products. Respective EU regulation is in force, but the development of appropriate methods is still underway. This paper updates the scope of Optical Coherence Tomography (OCT) for ENM/food matrix analysis. A range of nanomaterials and composites Au@SiO 2 , Ag, Ag@SiO 2 and ...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten

    17. Optimal processing of Doppler signals in OCT

      Explore Conference Proceedings
      Optimal processing of Doppler signals in OCT
      Besides structural imaging, OCT can be used to estimate axial velocities of the sample resolved in depth by Doppler processing. In Fourier domain OCT (FD-OCT), this is accomplished by measuring the phase difference (i.e. phase shift) between timely separated A-scans at the same depth. In most cases, these data are disturbed by noise caused by intrinsic noise of the OCT system, specified by the SNR, and decorrelation noise caused ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    18. Imaging the tympanic membrane oscillation ex vivo with Doppler optical coherence tomography during simulated Eustachian catarrh

      Explore Conference Proceedings Otolaryngology
      Imaging the tympanic membrane oscillation ex vivo with Doppler optical coherence tomography during simulated Eustachian catarrh
      Recently, optical coherence tomography (OCT) was utilized in multiple studies for structural and functional imaging of the middle ear and the tympanic membrane. Since Doppler OCT allows both, the spatially resolved measurement of the tympanic membrane oscillation and high-resolution imaging, it is regarded as a promising tool for future in vivo applications. In this study, Doppler OCT is utilized for the visualization of the tympanic membrane oscillation in temporal bones ...
      Read Full Article
      Mentions: Julia Walther Dresden University of Technology Edmund Koch

    19. Visualization of dynamic boiling processes using high-speed optical coherence tomography

      Explore Home - Springer NDE/NDT , Other Non-Medical
      Visualization of dynamic boiling processes using high-speed optical coherence tomography
      Investigating microscale nucleate boiling processes with high heat flux requires experimental visualization and quantification with high spatial resolution in the micrometer range as well as a sufficient temporal resolution. Numerous measurement techniques are employed for providing comprehensive experimental data on microscale boiling processes and other multiphase flows. In this context, optical coherence tomography (OCT) has been introduced recently for the visualization of quasistatic growing vapor bubbles in turbid fluids with ...
      Read Full Article
      Mentions: National Institutes of Health Julia Walther Sven Meissner

    20. Feasibility of non-invasive detection of engineered nanoparticles in food mimicking matrices by Optical Coherence Tomography

      Explore ScienceDirect Other Non-Medical
      Feasibility of non-invasive detection of engineered nanoparticles in food mimicking matrices by Optical Coherence Tomography
      The study was dedicated towards the detection of Engineered Nanoparticles (ENPs) by means ofOptical Coherence Tomography (OCT). Polymeric films were produced to mimic complex food matrices whereas gold nanorods (AuNRs) were embedded to act as ENPs. The straightforward coating application resulted in a sufficient film wetting, adhesion and homogenous AuNR distribution. Compared to food samples, these films are simpler and better defined. Such artefacts are therefore promising candidate materials for ...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten

    22. Vibration of the human tympanic membrane measured with OCT in a range between 0.4 kHz and 6.4 kHz on an ex vivo sample

      Explore Conference Proceedings Otolaryngology
      Vibration of the human tympanic membrane measured with OCT in a range between 0.4 kHz and 6.4 kHz on an ex vivo sample
      ...panic membrane measured with OCT in a range between 0.4 kHz and 6.4 kHz on an ex vivo sample Anke Burkhardt ; Lars Kirsten ; Matthias Bornitz ; Thomas Zahnert ; Edmund Koch; Vibration of the human tympanic membrane measu...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten

    24. Optical coherence tomography as a reference method for the detection of nanoparticles in thin-film polymer matrices

      Explore Conference Proceedings NDE/NDT , Other Non-Medical
      Optical coherence tomography as a reference method for the detection of nanoparticles in thin-film polymer matrices
      ...l coherence tomography as a reference method for the detection of nanoparticles in thin-film polymer matrices Lars Kirsten ; Mirko Mehner ; Ringo Grombe ; Thomas Linsinger ; Hendrik Emons ; Edmund Koch; Optical coherence...
      Read Full Article
      Mentions: Dresden University of Technology Edmund Koch Lars Kirsten
    25. 1-24 of 32 1 2 »
  1. Search:

  2. Categories

    1. Applications:

      Art, Cardiology, Dentistry, Dermatology, Developmental Biology, Gastroenterology, Gynecology, Microscopy, NDE/NDT, Neurology, Oncology, Ophthalmology, Other Non-Medical, Otolaryngology, Pulmonology, Urology

    2. Business News:

      Acquisition, Clinical Trials, Funding, Other Business News, Partnership, Patents

    3. Technology:

      Broadband Sources, Probes, Tunable Sources

    4. Miscellaneous:

      Jobs & Studentships, Student Theses, Textbooks

  4. Organizations in the News

    1. (1 articles) National Institutes of Health

  5. People in the News

    1. (32 articles) Edmund Koch
    2. (15 articles) Julia Walther
    3. (9 articles) Sven Meissner
    4. (7 articles) Maria Gaertner
    5. (3 articles) Peter Cimalla
    6. (3 articles) Mikael Timo Erkkilä
    7. (1 articles) Eric A. Swanson