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    • 3. 发明申请
    • SPECTRALLY ENCODED CARS ENDOSCOPE
    • 光谱编码车内镜
    • WO2010027125A1
    • 2010-03-11
    • PCT/KR2008/006995
    • 2008-11-27
    • KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCELEE, Eun SeongLEE, Jae YongMOON, Dae Won
    • LEE, Eun SeongLEE, Jae YongMOON, Dae Won
    • A61B1/00
    • A61B5/6852A61B5/0066G01N21/65G01N2021/653
    • Disclosed is a spectrally encoded coherent anti-Stokes Raman scattering (CARS) endoscope that is capable of spatially encoding spectral dispersions of two light sources having frequency difference as much as a Raman shift and overlapping two laser beams on a position where a sample to be measured is placed, thereby acquiring a spatial distribution of CARS signals. The endoscope includes a cylindrical main body, a Stokes beam optical fiber and a pump beam optical fiber disposed above and below for transmitting a Stokes beam and a pump beam, respectively, a collimator lens for collimating the Stokes beam and the pump beam transmitted from the respective optical fibers, a diffraction grating for diffracting the collimated Stokes beam and the collimated pump beam such that the Stokes beam and the pump beam have the same spectral dispersion, a reflection mirror including a dichroic reflection part for reflecting the Stokes beam and re-reflecting CARS beams generated from a sample to the diffraction grating and a full reflection part for fully reflecting the pump beam, an object lens for condensing the reflected pump beam and the reflected Stokes beam to the sample, and a CARS beam transmission part for transmitting the CARS beams to a spectroscope.
    • 公开了一种频谱编码的相干反斯托克斯拉曼散射(CARS)内窥镜,其能够空间编码具有与拉曼位移一样多的频率差异的两个光源的光谱色散,并且在待测样品的位置上重叠两个激光束 被放置,从而获得CARS信号的空间分布。 内窥镜包括圆柱形主体,斯托克斯光束光纤和泵浦光束光纤,其分别设置用于透射斯托克斯光束和泵浦光束的用于准直斯托克斯光束的准直透镜和从其发射的泵浦光束 相应的光纤,用于衍射准直的斯托克斯光束和准直的泵浦光束的衍射光栅,使得斯托克斯光束和泵浦光束具有相同的光谱色散;反射镜,包括用于反射斯托克斯光束的二向色反射部分和反射 从样品到衍射光栅产生的CARS光束和用于完全反射泵浦光束的全反射部分,用于将反射的泵浦光束和反射的斯托克斯光束聚焦到样品的物镜,以及用于传送CARS的CARS光束传输部分 光束到分光镜。
    • 8. 发明申请
    • Cascade type interferometric nonlinear optical imaging apparatus
    • 级联型干涉式非线性光学成像装置
    • US20080192260A1
    • 2008-08-14
    • US11821913
    • 2007-06-26
    • Lee Eun SeongLee Jae Yong
    • Lee Eun SeongLee Jae Yong
    • G01B9/02
    • G01J3/44G01J3/02G01J3/0205G01N21/65G01N2021/653
    • The present invention relates to a cascade type interferometric nonlinear optical imaging apparatus, and the imaging apparatus comprises a light source for generating Stokes beam having a desired frequency band and a pump beam for exciting medium molecules in a sample with the Stokes beam; a phase shifting unit for shifting a phase of the beams passing through a standard sample and a phase of an anti-Stokes beam generated from the standard sample on the same path, wherein the Stokes beam and the pump beam generated from the light source pass through the standard sample at the same time to generate the anti-Stokes beam; a scanning unit for scanning the beam phase-shifted by the phase shifting unit onto a space of a test sample; and a detecting unit for detecting optical interference due to a phase difference between a light signal generated by passing the test sample and a light signal generated by passing the standard sample.
    • 本发明涉及级联型干涉式非线性光学成像装置,该成像装置包括用于产生具有期望频带的斯托克斯光束的光源和用于利用斯托克斯光束在样品中激发介质分子的泵浦光束; 移相单元,用于移动通过标准样品的光束的相位和在同一路径上从标准样品产生的反斯托克斯光束的相位,其中斯托克斯光束和从光源产生的泵浦光束通过 标准样品同时产生反斯托克斯波束; 扫描单元,用于将由相移单元相移的光束扫描到测试样本的空间上; 以及检测单元,用于检测由于通过测试样本产生的光信号与通过标准样本产生的光信号之间的相位差的光学干涉。