Patent application number | Description | Published |
20090095890 | BROADBAND LIGHT SOURCE UNIT AND OPTICAL ANALYZER - The invention offers a broadband light source unit that produces using a simple system a supercontinuum lightwave having a flat spectral form and an optical analyzer using the unit. The broadband light source unit has a light source that outputs a first source lightwave, which is a pulse lightwave having periodic pulses with a constant intensity, a conversion means that receives the first source lightwave, produces a second source lightwave having pulses whose intensities are different from one another, and outputs it, and a nonlinear optical medium section that receives the second source lightwave, produces a supercontinuum lightwave having a wavelength band broadened through a nonlinear optical phenomenon, and outputs it. The optical analyzer has the foregoing broadband light source unit, a light-applying section that applies a supercontinuum lightwave outputted from the broadband light source unit to a light-receiving region of a measurement-undergoing object, and an image pickup section that receives a lightwave generated at the light-receiving region by the application of the supercontinuum lightwave and picks up an image of the measurement-undergoing object. | 04-16-2009 |
20120101391 | BLOOD VESSEL WALL ANALYZING DEVICE AND BLOOD VESSEL WALL ANALYZING METHOD - The present invention relates to a blood vessel wall analyzing apparatus provided with a structure enabling accurate measurement of plaque components in a blood vessel wall in a state that reduces the burden on a patient. In the blood vessel wall analyzing apparatus ( | 04-26-2012 |
20140071434 | OPTICAL TOMOGRAPHIC IMAGE ACQUISITION APPARATUS - The optical tomographic image acquisition apparatus is based on FD-OCT. A detection unit | 03-13-2014 |
20140233030 | SPECTRAL IMAGING DEVICE ADJUSTMENT METHOD AND SPECTRAL IMAGING SYSTEM - A method of adjusting a spectroscopic imaging device is provided with which a relative arrangement relationship among components can be easily adjusted in the spectroscopic imaging device. A spectroscopic imaging device | 08-21-2014 |
20150077748 | SPECTROSCOPIC IMAGING DEVICE ADJUSTING METHOD AND SPECTROSCOPIC IMAGING SYSTEM - A spectroscopic imaging device adjusting method adjusts a relative arrangement relationship among a collimating lens, a diffraction grating, a condensing lens and an array type light receiving part so as to maximize the value of the following expression (1) for an output values ƒ | 03-19-2015 |
20150077757 | OPTICAL TOMOGRAPHIC IMAGE ACQUIRING DEVICE - An optical tomographic image acquiring device which can suppress the occurrence of an artifact, and which can obtain an exact optical tomographic image of a measurement object includes a light source, a detector, an analysis unit, a circulator, a coupler, condensing lenses, optical fibers, and a reference mirror. Let Δk be a maximum value of intervals in wavenumber of lights received by adjacent two light receiving elements in the detector, an optical path length L | 03-19-2015 |
20150173607 | METHOD FOR ACQUIRING OPTICAL TOMOGRAPHIC IMAGE - A method for acquiring an optical tomographic image is disclosed. The method acquires the optical tomographic image based on a result of a Fourier transform of an interference light spectrum obtained by dividing light into first branched light and second branched light and causing mutual interference between reflected light and diffused reflected light. The reflected light arises at a reflecting body when the first branched light is irradiated onto the reflecting body. The diffused reflected light arises when the second branched light is irradiated onto an examination region. The acquisition method includes: acquiring a first optical tomographic image when an examination object is arranged in the examination region; acquiring a second optical tomographic image when the examination object is not arranged in the examination region; and acquiring the optical tomographic image based on a difference between the first optical tomographic image and the second optical tomographic image. | 06-25-2015 |
20150245768 | OPTICAL PROBE, OPTICAL MEASUREMENT METHOD, AND OPTICAL MEASUREMENT DEVICE - An optical probe | 09-03-2015 |
20150248770 | OPTICAL MEASUREMENT METHOD AND OPTICAL MEASUREMENT SYSTEM - The optical measurement method comprises acquiring a spectrum of interference light produced by interference between back-reflected light from an object to be measured including a plurality of tissues and reference light; creating a two-dimensional reflectance image of the object to be measured according to the spectrum of the interference light; extracting regions occupied by the tissues and a boundary between the tissues in the reflectance image created; setting a range to be analyzed and a spatial averaging range according to the regions and boundary; averaging a concentration distribution of a component obtained in the spatial averaging range including the pixel and taking the average as a concentration of the component at the pixel, so as to calculate a concentration distribution of the component in the tissues; and classifying tissue type according to the extracted regions and concentration distribution, so as to generate a tissue classification image. | 09-03-2015 |