1. University of Central Florida

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    1. Mentioned In 39 Articles

    2. Efficient supercontinuum generation enabled by dispersion engineering in a dual-core waveguide

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      Efficient supercontinuum generation enabled by dispersion engineering in a dual-core waveguide
      A compact dual-core waveguide is proposed for efficient supercontinuum generation, in which the use of Si-rich nitride and titanium dioxide provides a large enough index contrast for dispersion engineering. Strong anomalous group velocity dispersion is obtained over a wide bandwidth of 1860 nm which greatly reduces the dispersion length. The nonlinear length can also be significantly decreased due to high nonlinear Kerr index of Si-rich nitride. As a consequence, it ...
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      Mentions: University of Central Florida

    3. RETOUCH: The Retinal OCT Fluid Detection and Segmentation Benchmark and Challenge

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      RETOUCH: The Retinal OCT Fluid Detection and Segmentation Benchmark and Challenge
      Retinal swelling due to the accumulation of fluid is associated with the most vision-threatening retinal diseases. Optical coherence tomography (OCT) is the current standard of care in assessing the presence and quantity of retinal fluid and image-guided treatment management. Deep learning methods have made their impact across medical imaging, and many retinal OCT analysis methods have been proposed. However, it is currently not clear how successful they are in interpreting ...
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      Mentions: University of Central Florida Simon Fraser University Nanjing University of Science and Technology

    5. Systems and methods for performing Gabor-domain optical coherence microscopy

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      Systems and methods for performing Gabor-domain optical coherence microscopy
      In one embodiment, imaging a medium under evaluation includes generating acquired images of the medium, each acquired image comprising a cross-sectional image along a lateral and a depth direction of the medium that results from scanning the medium at a different depths, filtering each acquired image to remove out-of-focus portions of the images and generate filtered images, and merging the filtered images to form a high-resolution fused image.
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      Mentions: Panomsak Meemon Jannick P. Rolland University of Central Florida

    8. Electronically tunable silicon photonic delay lines

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      Electronically tunable silicon photonic delay lines
      Electronically tunable optical true-time delay lines are proposed. The devices utilize the combination of apodised gratings and the free-carrier plasma effect to tune the enhanced delay of silicon waveguides at a fixed wavelength. Three variations of the proposed scheme are studied and compared. The compact and integrable devices can achieve tuning ranges as high as ~660 ps with a loss of < 2.2 dB when operated in the reflection mode ...
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      Mentions: University of Central Florida

    9. Variations on the theme of quantum optical coherence tomography: a review

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      Variations on the theme of quantum optical coherence tomography: a review
      Abstract  We discuss the development of quantum optical coherence tomography (Q-OCT), an imaging modality with a number of potential applications. Although Q-OCT is not expected to replace its eminently successful classical cousin, optical coherence tomography (OCT), it does offer some advantages as a biological imaging paradigm. These include greater axial resolution and higher signal-to-background ratio, immunity to dispersion that can lead to deeper subsurface penetration, and nondestructive probing of light-sensitive ...
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      Mentions: Massachusetts Institute of Technology Boston University Jeffrey H. Shapiro

    10. Methods and systems for realizing high resolution three-dimensional optical imaging

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      Methods and systems for realizing high resolution three-dimensional optical imaging
      Methods and systems for realizing high resolution three-dimensional (3-D) optical imaging using diffraction limited low resolution optical signals. Using axial shift-based signal processing via computer based computation algorithm, three sets of high resolution optical data are determined along the axial (or light beam propagation) direction using low resolution axial data. The three sets of low resolution data are generated by illuminating the 3-D object under observation along its three independent ...
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      Mentions: University of Central Florida

    11. Systems and methods for generating a tunable laser beam

      Explore uspto.gov Patents , Probes , Tunable Sources
      Systems and methods for generating a tunable laser beam
      Systems and methods of generating a tunable laser beam are disclosed. An example method includes: generating coherent optical beams from a plurality of semiconductor optical amplifiers (SOAs); combining the coherent optical beams into a combined coherent optical beam; and tuning the combined beam to a selected frequency range to output a coherent optical beam having only the selected frequency range. In some embodiments, the SOAs are arranged in parallel within ...
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      Mentions: Kye-Sung Lee Panomsak Meemon Jannick P. Rolland

    14. Broadband Fourier-domain mode-locked lasers

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      Broadband Fourier-domain mode-locked lasers
      Abstract  Broadband, high-speed wavelength-swept lasers can substantially enhance applications in optical coherence tomography, chemical spectroscopy, and fiber-optic sensing. We report the demonstration of Fourier-domain mode-lock lasers operating at about 90 kHz effective sweep rate over a 158 nm sweep range using a single-band design and over a 284 nm sweep range across the 1.3 μm to 1.5 μm wavelength spectrum using a unique broadband design. A novel dual-detection ...
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      Mentions: University of Rochester Kye-Sung Lee Micron Optics

    15. Feature Of The Week 9/19/10: Researchers from University of Central Florida and University of Rochester demonstrate Doppler Imaging with Dual-Detection Full-Range Frequency Domain Optical Coherence Tomography

      Explore Optical Coherence Tomography News
      Feature Of The Week 9/19/10: Researchers from University of Central Florida and University of Rochester demonstrate Doppler Imaging with Dual-Detection Full-Range Frequency Domain Optical Coherence Tomography
      ...esearchers Panomsak Meemon, Kye-Sung Lee, and Jannick Rollard from The College of Optics and Photonics at the University of Central Florida and The Institute of Optics at the University of Rochester, addressed these issu...
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      Mentions: University of Rochester Kye-Sung Lee Panomsak Meemon

    16. Swept-source based, single-shot, multi-detectable velocity range Doppler optical coherence tomography

      Explore opticsinfobase.org
      Swept-source based, single-shot, multi-detectable velocity range Doppler optical coherence tomography
      Phase-Resolved Doppler Optical Coherence Tomography (PR-DOCT) allows visualization and characterization of the location, direction, velocity, and profile of flow activity embedded in a static sample structure. The detectable Velocity Dynamic Range (VDR) of each particular PR-DOCT system is governed by a detectable Doppler phase shift, a flow angle, and an acquisition time interval used to determine the Doppler phase shift. In general, the lower boundary of the detectable Doppler phase ...
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      Mentions: University of Rochester Panomsak Meemon Jannick P. Rolland
    17. 1-15 of 39 1 2 3 »
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  4. About University of Central Florida

    University of Central Florida

    University of Central Florida (UCF) is a university located in Orlando, Florida. UCF is the largest undergraduate school in the state of Florida, the second largest school-including graduate programs, and has quickly become the sixth-largest university in the nation. Center for Research and Education in Optics and Lasers (or CREOL) is a research center within the Orlando, Florida-based College of Optics and Photonics, which itself is a graduate college for optical science and engineering at the University of Central Florida.

    Optical Diagnostics and Application Laboratory is located at the University of Central Florida.  Activities in the The Optical Diagnostic and Applications Laboratory (ODA Lab) aim at fostering interdisciplinary basic and applied research in novel optical instrumentation for 3D optical imaging and visualization systems, image analysis, and assessement methodology.

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