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    • 4. 发明授权
    • Tomography system and method of adjusting quality of image obtained by optical tomography system
    • 通过光学层析成像系统获得的图像质量系统和方法
    • US07777892B2
    • 2010-08-17
    • US11723617
    • 2007-03-21
    • Masami Hatori
    • Masami Hatori
    • G01B9/02
    • G02B6/2843G01N21/4795
    • In an optical tomography system, a polarization changing system which converts linearly polarized light too non-linearly polarized light is provided in at least one of a light source unit, an optical path from the light source unit to a light dividing system, the optical path of the measuring light from the light dividing system to an object, the optical path of the reflected light from the object to the combining system and the optical path of the reference light from the light dividing system to the combining system. The polarization changing system is, for instance, a polarization-preserving optical fiber which is disposed so that the direction of polarization of the linearly polarized light and the direction of axis of polarization of the linearly polarized light differ from each other.
    • 在光学断层摄影系统中,在光源单元,从光源单元到分光系统的光路中的至少一个中设置有将线偏振光转换成非线性偏振光的偏振变换系统,光路 从光分离系统到物体的测量光,从物体到合成系统的反射光的光路和从分光系统到组合系统的参考光的光路。 偏振变化系统例如是偏振保留光纤,其设置成使得线偏振光的偏振方向和线偏振光的偏振轴的方向彼此不同。
    • 6. 发明授权
    • Optical tomography system
    • 光学断层扫描系统
    • US07633623B2
    • 2009-12-15
    • US11529436
    • 2006-09-29
    • Masami Hatori
    • Masami Hatori
    • G01B9/02
    • G01B9/02004A61B5/0066A61B5/0073G01B9/02003G01B9/02044G01B9/02091G01B2290/35G01N21/4795
    • Light emitted from the light source unit is divided into measuring light and reference light. An optical path length of the measuring light or the reference light which has been divided by the light dividing means is adjusted. Interference light of the reflected light and the reference light is detected and a tomographic image of the object is obtained on the basis of the detected interference light. The optical path length is adjusted by a reflecting mirror which reflects the measuring light or the reference light radiated from the optical fiber, a first lens which is disposed between the reflecting mirror and the optical fiber and a second lens which collects the measuring light or the reference light made parallel by the first lens on the reflecting mirror and makes parallel the measuring light or the reference light reflected by the reflecting mirror.
    • 从光源单元发射的光被分为测量光和参考光。 调整由光分离机构分割的测量光或参考光的光程长度。 检测反射光和参考光的干涉光,并且基于检测到的干涉光获得物体的断层图像。 光路长度由反射从光纤辐射的测量光或参考光的反射镜调节,设置在反射镜和光纤之间的第一透镜和收集测量光或第二透镜的第二透镜 通过反射镜上的第一透镜平行的参考光,使与测量光或由反射镜反射的参考光平行。
    • 7. 发明授权
    • Light beam deflector
    • 光束偏转器
    • US5048936A
    • 1991-09-17
    • US291018
    • 1988-12-28
    • Masami Hatori
    • Masami Hatori
    • G02B6/12G02F1/335
    • G02B6/12004G02F1/335
    • A light beam deflector employs first and second surface elastic waves to diffract guided waves split from a single light beam introduced into an optical waveguide. The surface elastic waves are generated respectively by first and second tilted-finger chirped interdigital transducers or curved-finger interdigital transducers which are arranged such that the first and second guided waves emittted out of the optical waveguide will scan a surface along respective aligned scanning lines, the ends of which scanning lines are adjacent to each other. The light beam deflector allows a large image to be recorded or read out because it has a wide deflection angle range. The first and second interdigital transducers may alternatively be arranged such that the first and second guided waves emitted out of the optical waveguide will scan the surface without overlapping each other. The light beam deflector may also include third and fourth interdigital transducers for generating third and fourth surface elastic waves for further diffracting the guided waves to provide an even wider deflection angle range.
    • 光束偏转器采用第一和第二表面弹性波来衍射从引入到光波导中的单个光束分离的导波。 表面弹性波分别由第一和第二倾斜指状的啁啾叉指式换能器或曲指指叉式换能器产生,这些换能器被布置成使得从光波导发出的第一和第二导波将扫描沿着相应对准的扫描线的表面, 其扫描线的端部彼此相邻。 光束偏转器允许记录或读出大的图像,因为它具有宽的偏转角范围。 第一和第二叉指换能器可以可选地布置成使得从光波导发出的第一和第二导波将扫描表面而不重叠。 光束偏转器还可以包括用于产生第三和第四表面弹性波的第三和第四叉指换能器,用于进一步衍射导波以提供更宽的偏转角范围。
    • 9. 发明申请
    • SENSING SYSTEM
    • 感应系统
    • US20090231590A1
    • 2009-09-17
    • US12088848
    • 2006-09-28
    • Masayuki NayaMasami Hatori
    • Masayuki NayaMasami Hatori
    • G01N21/55
    • G01N21/41G01N21/553
    • A sensing system using a sensing element being constituted by a transparent body sandwiched by first and second reflectors one or each of which is in contact with a specimen, and exhibiting an absorption characteristic varying with the specimen. The first reflector is a partially transparent reflective, and the second reflector is completely reflective, or partially transparent reflective. A light injection unit injects light onto the first reflector, and a light detection unit detects the intensity of light outputted from the sensing element in response to the injection. The light injection unit has a wavelength stabilizing arrangement and injects laser light, or injects light at two wavelengths. In the latter case, the light detection unit detects the intensities of outputted light at the two wavelengths, and a calculation unit obtains the difference between the intensities.
    • 使用感测元件的感测系统由被一个或者每个与样本接触的第一和第二反射器夹持的透明体构成,并且呈现出与样本不同的吸收特性。 第一反射器是部分透明的反射器,并且第二反射器是完全反射的或部分透明的反射。 光注入单元将光注入到第一反射器上,并且光检测单元响应于注入而检测从感测元件输出的光的强度。 光注入单元具有波长稳定装置并注入激光,或者以两个波长注入光。 在后一种情况下,光检测单元检测两个波长的输出光的强度,并且计算单元获得强度之间的差。