1. John A. Rogers

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    1. Mentioned In 21 Articles

    2. Swept source optical coherence tomography Gabor fusion splicing technique for microscopy of thick samples using a deformable mirror

      Swept source optical coherence tomography Gabor fusion splicing technique for microscopy of thick samples using a deformable mirror
      ... the focus for Gabor filtering using the deformable mirror are presented. Christopher Costa ; Adrian Bradu ; John Rogers ; Pauline Phelan and Adrian Podoleanu "Swept source optical coherence tomography Gabor fusion spl...
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    3. Swept source OCT apparatus

      Swept source OCT apparatus
      A method of performing spectral OCT imaging on a target involves repeatedly scanning said target along a transverse scanning line with an object beam derived from an OCT interferometer having a narrowband source. The wavelength of the narrowband source is modulated over a range of wavelengths at a rate that is slow relative to the rate of scanning the target. The object beam returned from the target is detected to ...
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    4. Polarization maintaining multiple-depth en face optical coherence tomography system using active re-circulation loops in the non-stationary state

      Polarization maintaining multiple-depth en face optical coherence tomography system using active re-circulation loops in the non-stationary state
      ... in the non-stationary state John A. Rogers, Adrian Bradu, and Adrian Gh. Podoleanu »View Author Affiliations John A. Rogers, Adrian Bradu, and Adrian Gh. Podoleanu^* ^Applied Optics Group, School of Physical Sciences, U...
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    5. En-face OCT with parallel detector array

      En-face OCT with parallel detector array
      In an OCT apparatus, an object light beam is returned from a target and interferes with a reference light beam. Image information is obtained from a depth Z in the target that depends on the optical path difference between the object and reference beams with a resolution that depends on the coherence length of the light. A scanner transversely scans the target with the object beam over a plurality of ...
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    6. Method for performing micro-perimetry and visual acuity testing

      Method for performing micro-perimetry and visual acuity testing
      A visual acuity examination is performed on a patient by bringing a confocal imaging apparatus up to a patient's eye. Stimuli at various points in the patient's field of view are generated while the patient fixates on a point. The patient's responses to the stimuli are recorded with the movement of the eye with is tracked with the aid of the confocal imaging apparatus. The position of ...
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    7. Optical Coherence Tomography With Tandem Interferometer (Wo 2009/059406)

      Optical Coherence Tomography With Tandem Interferometer (Wo 2009/059406)
      Optical Coherence (OCT) tomography apparatus includes a first interferometer receiving light from a source and having a first and second arms. Light from the first and second arms is combined to produce a first output beam, there being an optical path difference between the first and second arms. A second interferometer in tandem with the first receives as an input the output beam from the first interferometer. The second interferometer ...
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    8. Transmissive scanning delay line for optical coherence tomography

      FIELD OF THE INVENTION The invention refers to the field of path scanning, optical measurements, and more specifically to the field of high resolution optical imaging by means of optical coherence tomography. BACKGROUND OF THE INVENTIONOptical coherence tomography (OCT) is an interferometric imaging technique described, for example, in U.S. Pat. No. 5,975,697. In order to produce OCT scans in the depth direction, the optical path length between ...
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    9. Optical Imaging Apparatus With Spectral Detector (Wo 2008/052311)

      Apparatus for obtaining depth profile information from a transparent object, includes a confocal scanner for producing an en-face image of the object in an x-y plane, a spectral optical coherence tomography (OCT) apparatus for producing an OCT scan along at least one line in the z direction passing through a point in the x-y plane, and a display device. A processing unit displays on the display device the en-face image ...
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  2. About John A. Rogers

    John A. Rogers director of OCT Research at OTI former PhD student at University of Kent.