Abstract: A system for a room with a ceiling is provided. Air supply equipment forms a laminar flow of clean air around a target by supplying the clean air downward from an outlet provided in a first area of the ceiling located directly above the target. Operating light equipment illuminates a working area on the target in a shadowless manner by multiple light sources provided in a second area around the first area. Surface light emitting equipment controls a surface light emitting member provided in a third area around the second area.

Abstract: An imaging apparatus including: a first scanning unit and a second scanning unit, subjecting a measuring beam, which is obtained by splitting a light source beam, to a back-and-forth scan in a predetermined area on a fundus in a first direction and a second direction, respectively; a scanning control unit controlling the first scanning unit and the second scanning unit so as to simultaneously execute scans; a depth information acquisition unit obtaining information on the fundus in a depth direction based on interference beam between return beam from the fundus and a reference beam; an image generation unit generating a tomographic image in the predetermined area through use of output from the depth information acquisition unit and a control signal supplied by the scanning control unit; and a display unit displaying the generated image.

Abstract: Provided is an imaging apparatus including: a first scanning unit and a second scanning unit, subjecting a measuring beam, which is obtained by splitting a light source beam, to a back-and-forth scan in a predetermined area on a fundus in a first direction and a second direction, respectively; a scanning control unit controlling the first scanning unit and the second scanning unit so as to simultaneously execute scans; a depth information acquisition unit obtaining information on the fundus in a depth direction based on interference beam between return beam from the fundus and a reference beam; an image generation unit generating a tomographic image in the predetermined area through use of output from the depth information acquisition unit and a control signal supplied by the scanning control unit; and a display unit displaying the generated image.

Abstract: Provided is an optical tomographic imaging apparatus including: a unit for creating a measuring beam and a reference beam from beam of a light source, and generating interference light by combining a return beam resulting from the measuring beam and the reference beam; a unit for detecting the interference light to generate a detection signal; a unit for forming an image of the object based on the detection signal; a unit for designating a specific area in the image; a unit for setting a calculation index and a determination reference range used for determining image quality of the specific area; and a unit for applying calculation processing to a luminance value of the specific area based on the calculation index, determining whether a calculated value obtained as a result of the calculation processing is within the determination reference range, and outputting a detection result.

Abstract: Provided is an optical tomographic imaging apparatus that can suppress variations of resolution, sensitivity, and the like and reduce the number of components for equalizing optical properties so that cost can be reduced, in a case of an OCT apparatus using a plurality of lights. The optical tomographic imaging apparatus for obtaining a tomographic image of an object includes an optical property adjusting unit for adjusting an optical property of at least one light of measurement lights, reference lights, and interference lights each comprised of a plurality of lights. The optical property adjusting unit is shared by each group including measurement lights having substantially the same distance from an optical axis of an irradiation optical system among the measurement lights comprised of a plurality of lights.

Abstract: An ophthalmologic apparatus includes an aberration measurement unit configured to measure aberration caused by a subject's eye, a correction unit configured to correct aberration of return light from the subject's eye of measurement light applied to the subject's eye caused by the subject's eye based on the aberration measured by the aberration measurement unit, a storage unit configured to store a plurality of combinations of frame rates for obtaining an image of the subject's eye with a number of pixels of the obtained image according to values of the frame rates, and an obtaining unit configured to obtain the image based on the frame rate and the number of pixels in one combination among the plurality of combinations using aberration-corrected return light from the subject's eye.

Abstract: An optical tomographic imaging method of picking up a cross-sectional image of an object comprises scanning a predetermined region of the object with spots of a plurality of measurement lights in the same direction so as to irradiate different positions of the object with different spots, detecting interference signals formed by the plurality of return lights reflected or scattered by the object and a plurality of corresponding reference lights reflected by a reference mirror, and executing an arithmetic process on the detected interference signals based on a displacement amount between the different spot positions using interference signals corresponding to at least two of the spots out of the respective interference signals. The region to be scanned has a length smaller than the sum of diameters of the spots in a direction perpendicular to the scanning direction.

Abstract: An ophthalmologic apparatus includes a first light source configured to emit a first measuring beam, a second light source configured to emit a second measuring beam having a center wavelength longer than that of the first measuring beam, a third light source configured to emit a third measuring beam having a center wavelength shorter than that of the first measuring beam, a first acquisition unit configured to obtain a first image of the subject's eye by using the return beam of the second measuring beam from the subject's eye, aberration of which has been corrected by a correction unit, and a second acquisition unit configured to obtain an anterior eye portion image of the subject's eye to be used for alignment, by using a return beam of the third measuring beam from the subject's eye.

Abstract: The present invention relates to an imaging device including a reducing section configured to reduce superimposition of first and second combined lights upon each other. The first and second combined lights are based on first and second measuring lights that illuminate an examination object. The imaging device according to the present invention also includes an obtaining section configured to obtain an optical coherence tomographic image of the examination object based on the first and second combined lights whose superimposition has been reduced at the reducing section. A sensor having a minimum number of pixels is provided by restricting crosstalk between interference lights at the sensor.

Abstract: An ophthalmologic apparatus includes an aberration measurement unit configured to measure aberration caused by a subject's eye, a correction unit configured to correct aberration of return light from the subject's eye of measurement light applied to the subject's eye caused by the subject's eye based on the aberration measured by the aberration measurement unit, a storage unit configured to store a plurality of combinations of frame rates for obtaining an image of the subject's eye with a number of pixels of the obtained image according to values of the frame rates, and an obtaining unit configured to obtain the image based on the frame rate and the number of pixels in one combination among the plurality of combinations using aberration-corrected return light from the subject's eye.

Abstract: An ophthalmologic apparatus includes a first light source configured to emit a first measuring beam, a second light source configured to emit a second measuring beam having a center wavelength longer than that of the first measuring beam, a third light source configured to emit a third measuring beam having a center wavelength shorter than that of the first measuring beam, a first acquisition unit configured to obtain a first image of the subject's eye by using the return beam of the second measuring beam from the subject's eye, aberration of which has been corrected by a correction unit, and a second acquisition unit configured to obtain an anterior eye portion image of the subject's eye to be used for alignment, by using a return beam of the third measuring beam from the subject's eye.

Abstract: Provided is an optical tomographic imaging apparatus including: a unit for creating a measuring beam and a reference beam from beam of a light source, and generating interference light by combining a return beam resulting from the measuring beam and the reference beam; a unit for detecting the interference light to generate a detection signal; a unit for forming an image of the object based on the detection signal; a unit for designating a specific area in the image; a unit for setting a calculation index and a determination reference range used for determining image quality of the specific area; and a unit for applying calculation processing to a luminance value of the specific area based on the calculation index, determining whether a calculated value obtained as a result of the calculation processing is within the determination reference range, and outputting a detection result.

Abstract: The present invention relates to an imaging device including a reducing section configured to reduce superimposition of first and second combined lights upon each other. The first and second combined lights are based on first and second measuring lights that illuminate an examination object. The imaging device according to the present invention also includes an obtaining section configured to obtain an optical coherence tomographic image of the examination object based on the first and second combined lights whose superimposition has been reduced at the reducing section. A sensor having a minimum number of pixels is provided by restricting crosstalk between interference lights at the sensor.

Abstract: Provided is an information processing apparatus in an OCT system capable of acquiring tomographic information and moving velocity information of an object at high speed and over a region larger than a spot size. The apparatus splits light including a plurality of lights of at least first and second light into measurement lights and reference lights and acquires tomographic information and moving velocity information of an object, having: a scanning optical system for scanning with the measurement light; an optical system for applying the measurement light to different spot positions; interference signal generating devices which generate first and second interference signals from a return light obtained when the measurement light is applied to the positions and the reference light reflected by a reference mirror; and a signal processing device which calculates a variation in phase using the interference signals and computes a moving velocity of the object.

Abstract: Provided is an optical tomographic imaging apparatus that can suppress variations of resolution, sensitivity, and the like and reduce the number of components for equalizing optical properties so that cost can be reduced, in a case of an OCT apparatus using a plurality of lights. The optical tomographic imaging apparatus for obtaining a tomographic image of an object includes an optical property adjusting unit for adjusting an optical property of at least one light of measurement lights, reference lights, and interference lights each comprised of a plurality of lights. The optical property adjusting unit is shared by each group including measurement lights having substantially the same distance from an optical axis of an irradiation optical system among the measurement lights comprised of a plurality of lights.

Abstract: An optical tomographic imaging method of picking up a cross-sectional image of an object comprises scanning a predetermined region of the object with spots of a plurality of measurement lights in the same direction so as to irradiate different positions of the object with different spots, detecting interference signals formed by the plurality of return lights reflected or scattered by the object and a plurality of corresponding reference lights reflected by a reference mirror, and executing an arithmetic process on the detected interference signals based on a displacement amount between the different spot positions using interference signals corresponding to at least two of the spots out of the respective interference signals. The region to be scanned has a length smaller than the sum of diameters of the spots in a direction perpendicular to the scanning direction.

Abstract: An optical wavelength converter includes a distributed Bragg reflector laser having an active area, a phase area, and a distributed Bragg reflector area in which a distributed Bragg reflector is formed; an optical wavelength conversion device for receiving fundamental wave light emitted from said distributed Bragg reflector laser and outputting second harmonic wave light of the fundamental wave light; and a control circuit for controlling an emission wavelength and a light output by controlling an injection current to be injected into the distributed Bragg reflector laser for each period.

Abstract: An optical wavelength converter includes a distributed Bragg reflector laser having an active area, a phase area, and a distributed Bragg reflector area in which a distributed Bragg reflector is formed; an optical wavelength conversion device for receiving fundamental wave light emitted from said distributed Bragg reflector laser and outputting second harmonic wave light of the fundamental wave light; and a control circuit for controlling an emission wavelength and a light output by controlling an injection current to be injected into the distributed Bragg reflector laser for each period.