1. Massachusetts Institute of Technology

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    1. Mentioned In 560 Articles

    2. Comparison of three-dimensional optical coherence tomography and high resolution photography for art conservation studies

      Gold punchwork and underdrawing in Renaissance panel paintings are analyzed using both three-dimensional swept source / Fourier domain optical coherence tomography (3D-OCT) and high resolution digital photography. 3D-OCT can generate en face images with micrometer-scale resolutions at arbitrary ... [Opt. Express 15, 15972-15986 (2007)]
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    3. Photoreceptor Disruption Secondary to Posterior Vitreous Detachment as Visualized Using High-Speed Ultrahigh-Resolution Optical Coherence Tomography

      Optical coherence tomography (OCT) has been shown to be beneficial in the diagnosis of posterior vitreous detachment (PVD) and vitreomacular traction. In 2001, ultrahigh-resolution OCT (UHR-OCT), capable of 3-m axial resolution in the human eye, has demonstrated refined visualization of outer retinal layers.1Dramatic advances in the imaging speed of OCT enable high pixel density, high-definition imaging with further improved image quality.2The following is a case of bilateral photoreceptor ...
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    4. High speed engine gas thermometry by Fourier-domain mode-locked laser absorption spectroscopy

      We present a novel method for low noise, high-speed, real-time spectroscopy to monitor molecular absorption spectra. The system is based on a rapidly swept, narrowband CW Fourier-domain mode-locked (FDML) laser source for spectral encoding in time and an optically time-multiplexed split-pulse data ... [Opt. Express 15, 15115-15128 (2007)]
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    5. System and method for volume holographic imaging using spectral illumination

      A holographic imaging system is disclosed that includes a spectral electromagnetic field unit for providing a plurality of focal areas of a plurality of wavelengths of electromagnetic fields along a first direction, a lens system for directing the electromagnetic fields having the plurality of wavelengths from an object that may be positioned at least substantially near the plurality of focal areas toward a holographic recording, and a detector surface for ...
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    6. MIT team takes high-res, 3-D images of eye

      MIT team takes high-res, 3-D images of eye
      In work that could improve diagnoses of many eye diseases, MIT researchers have developed a new type of laser for taking high-resolution, 3-D images of the retina, the part of the eye that converts light to electrical signals that travel to the brain. The research will be presented at the Conference on Lasers and Electro-Optics and the Quantum Electronics and Laser Science Conference in Baltimore on May 10.
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    7. Holographic imaging spectrometer

      A holographic imaging spectrometer, apparatus, and/or method enables the projection of a two-dimensional (2D) slice (having spectral information) of a four-dimensional (4D) probing object. A 4D probing source object is illuminated to emit an optical field. A holographic element having one or more recorded holograms receives and diffracts the optical field into a diffracted plane beam having spectral information. Collector optics (e.g., an imaging lens) focuses the diffracted ...
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    8. Everyday OCT: A Handbook for Clinicians and Technicians (Book)

      Everyday OCT: A Handbook for Clinicians and Technicians (Book)
      Authorities on OCT technology and imaging, Dr. Joel S. Schuman, Dr. Carmen A. Puliafito, and Dr. James G. Fujimoto review OCT and provide both the beginning and advanced user with expert pearls on how to effectively perform and interpret OCT imaging. Everyday OCT contains a wealth of technical information about the principles of operating the Stratus OCTTM and the main components of this medical diagnostic imaging technology. Everyday OCT explains ...
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  2. About Massachusetts Institute of Technology

    Massachusetts Institute of Technology

    Massachusetts Institute of Technology (MIT) is a private, coeducational research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing 32 academic departments, with a strong emphasis in theoretical, applied, and interdisciplinary scientific and technological research.  Laser Medicine and Medical Imaging Group at MIT.  The RLE Laser Medicine and Medical Imaging Group and its close collaborators were the originators of optical coherence tomography (OCT), a diagnostic technology now used in a growing number of medical fields. The group currently works to further understand and exploit the capabilities of OCT technology, with ongoing investigations in topics related to optical coherence microscopy development and optical biopsy using OCT.