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| Number | Title | Issue Date |
| 6665557 | Sprectroscopic and time-resolved optical methods and apparatus for imaging objects in turbed media Method and apparatus for imaging objects in turbid media. In one embodiment, the method comprises illuminating at least a portion of the turbid medium with substantially monochromatic light of at least two wavelengths in the 600-1500 nm spectral range. A ... | 12/16/2003 |
| 6208886 | Non-linear optical tomography of turbid media An apparatus utilizing non-linear optical signals for use in constructing a three-dimensional tomographic map of an in vivo biological tissue for medical disease detection purposes. In one embodiment, said apparatus comprises a stage for supporting the in... | 03/27/2001 |
| 6108576 | Time-resolved diffusion tomographic 2D and 3D imaging in highly scattering turbid media A method for imaging objects in highly scattering turbid media. According to one embodiment of the invention, the method involves using a plurality of intersecting source/detectors sets and time-resolving equipment to generate a plurality of time-resolved... | 08/22/2000 |
| 6080584 | Method and apparatus for detecting the presence of cancerous and precancerous cells in a smear using native fluorescence spectroscopy A method and apparatus for examining a cell smear for the purpose of detecting the presence of cancerous and precancerous cells located therein. In a preferred embodiment, the method comprises illuminating at least a portion of the cell smear with light o... | 06/27/2000 |
| 5943133 | System and method for performing selected optical measurements on a sample using a diffraction grating A system and method for performing selected optical measurements on a sample is provided utilizing an optical coherence domain reflectometer which includes a diffraction grating. A broad band light source produces light having a short coherence length. A ... | 08/24/1999 |
| 5931789 | Time-resolved diffusion tomographic 2D and 3D imaging in highly scattering turbid media A method for imaging objects in highly scattering turbid media. According to one embodiment of the invention, the method involves using a plurality of intersecting source/detectors sets and time-resolving equipment to generate a plurality of time-resolved... | 08/03/1999 |
| 5929443 | Imaging of objects based upon the polarization or depolarization of light A method and apparatus for imaging objects based upon the polarization or depolarization of light. According to one embodiment, there is provided a method for imaging the surface of a turbid medium, the method comprising the steps of: (a) illuminating the... | 07/27/1999 |
| 5799656 | Optical imaging of breast tissues to enable the detection therein of calcification regions suggestive of cancer A method for detecting the presence of one or more calcifications within a portion of a turbid medium, such as a breast tissue. According to one aspect, the method involves illuminating at least a portion of the turbid medium with light, whereby light eme... | 09/01/1998 |
| 5769081 | Method for detecting cancerous tissue using optical spectroscopy and fourier analysis A method for detecting cancerous tissue using optical spectroscopy and Fourier analysis. According to a preferred embodiment, a tissue sample is illuminated with light at a wavelength of approximately 300 nm. Next, a fluorescence emission spectrum for the... | 06/23/1998 |
| 5719399 | Imaging and characterization of tissue based upon the preservation of polarized light transmitted therethrough A method and apparatus for imaging and/or characterizing a tissue based upon the extent to which initially polarized light maintains its polarization after propagating through the tissue. In a preferred embodiment, the present invention relates to a metho... | 02/17/1998 |
| 5717517 | Method for amplifying laser signals and an amplifier for use in said method A method for amplifying a signal pulse of laser light. Preferably, the method is used to amplify 1.3 μm and/or 1.55 μm signal pulses emitted from any 1.3 μm or 1.55 μm signal source, the method comprising providing an amplifying medium, the amplifying... | 02/10/1998 |
| 5413108 | Method and apparatus for mapping a tissue sample for and distinguishing different regions thereof based on luminescence measurements of cancer-indicative native fluorophor A method and apparatus for examining a two-dimensional region of a tissue sample. This is accomplished, according to one embodiment of the invention, by illuminating, i.e., exciting, the two-dimensional tissue sample with light at a first wavelength. The ... | 05/09/1995 |
