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    • 2. 发明授权
    • Medical laser therapy device
    • 医疗激光治疗仪
    • US06796978B2
    • 2004-09-28
    • US10043465
    • 2002-01-10
    • Mario GerlachMartin WiechmannOlaf KittelmannDiegeo ZimareMichael KempeDirk MuehlhoffAlexander Kalies
    • Mario GerlachMartin WiechmannOlaf KittelmannDiegeo ZimareMichael KempeDirk MuehlhoffAlexander Kalies
    • A62B1820
    • A61F9/009A61B90/30A61F9/008A61F2009/00855A61N5/062
    • A medical laser therapy device, particularly for use in ophthalmology and surgery, comprises a controllable pump module with a coupling element for a waveguide, a beam control device in the form of a waveguide for supplying the pumping radiation delivered by the pump module to the applicator which is provided with a coupling element for the waveguide for introducing a target beam and/or treatment beam into the eye to be treated. The device is primarily characterized in that the pump module has laser diodes whose electromagnetic pumping radiation is in the spectral range from 800 nm to 815 nm, and in that an optics module is provided which couples the pumping radiation into the waveguide, in that the beam control device is an Nd-doped waveguide laser with a double core or single core and a suitable reflecting coating of the fiber end faces, the waveguide forming a laser cavity with radiation in a frequency range between 1050 nm and 1070 nm, in that the applicator is a laser slit lamp with zoom system having a device for frequency doubling which preferably comprises nonlinear optical material or periodically poled nonlinear optical material, in that the applicator has a device for power monitoring and a device for illuminating and observing the operating field, and in that the applicator has a target beam device whose radiation is coupled collinearly into the beam path for the therapy radiation by a suitable beamsplitter. The medical therapy device is constructed in a modular manner.
    • 特别是用于眼科和手术的医疗激光治疗装置包括具有用于波导的耦合元件的可控泵模块,波导形式的束控制装置,用于将由泵模块输送的泵浦辐射提供给施加器 其设置有用于波导的耦合元件,用于将目标束和/或治疗束引入待治疗的眼睛。 该装置的主要特征在于,泵模块具有激光二极管,其电磁泵浦辐射在800nm至815nm的光谱范围内,并且提供将泵浦辐射耦合到波导中的光学模块, 控制装置是具有双芯或单芯的Nd掺杂波导激光器和光纤端面的合适的反射涂层,波导形成在1050nm和1070nm之间的频率范围内的辐射的激光腔,因为施加器 是具有变倍系统的激光裂隙灯,其具有用于倍频的装置,其优选地包括非线性光学材料或周期性极化的非线性光学材料,因为施加器具有用于功率监测的装置和用于照明和观察操作场的装置 施加器具有目标射束装置,其辐射线通过合适的节点共线地耦合到用于治疗辐射的射束路径中 msplitter。 医疗设备以模块化的方式构造。
    • 5. 发明申请
    • Microscope Having an Adjustment Device for the Focus Range
    • 具有调焦装置的显微镜用于对焦范围
    • US20110176206A1
    • 2011-07-21
    • US13121886
    • 2009-09-22
    • Ralf WolleschenskyMichael Kempe
    • Ralf WolleschenskyMichael Kempe
    • G02B21/00
    • G02B21/006G02B21/0068G02B21/241G02B2207/114
    • A microscope with means for adjusting the focal range, comprising a first objective lens for transmitting the object light of an illuminated object in the direction of a detector, with a second objective lens being disposed in the direction of the light upstream of the detector, which second objective lens is followed by a first mirror that can be adjusted in the direction of the optical axis, with at least one second mirror for transmitting light from the first objective lens in the direction of the second objective lens and from the second objective lens to the detector being disposed in the optical path, which second mirror is a fully reflective mirror, or a microscope with means for adjusting the focal range, comprising a first objective lens for transmitting the object light of an illuminated object in the direction of a detector, with a second objective lens being disposed in the direction of light upstream of the detector, which second objective lens is followed by a first mirror that can be adjusted in the direction of the optical axis, with a polarizing beam splitter for splitting the object light into two components that are oriented perpendicular to each other being disposed between the first and the second objective lens for light transmission.
    • 一种具有用于调节焦距范围的装置的显微镜,包括用于在检测器的方向上传送被照射物体的物体的第一物镜,其中第二物镜沿检测器上游的光的方向设置, 第二物镜之后是可以在光轴方向上调节的第一反射镜,具有至少一个第二反射镜,用于在第二物镜的方向上从第一物镜透射光并从第二物镜传播光 所述检测器设置在所述光路中,所述第二反射镜是完全反射镜,或具有用于调节所述焦距的装置的显微镜,所述显微镜包括用于沿检测器的方向透射被照射物体的物体的第一物镜, 其中第二物镜沿着​​检测器上游的光的方向设置,该第二物镜后面是第一镜像 r可以在光轴的方向上调整,其中偏振分束器用于将物体光分成两个彼此垂直取向的分量,这两个分量被布置在第一和第二物镜之间用于透光。
    • 8. 发明授权
    • Confocal microscopy
    • 共焦显微镜
    • US07333213B2
    • 2008-02-19
    • US10103927
    • 2002-03-22
    • Michael Kempe
    • Michael Kempe
    • G01B9/02
    • G02B21/0064G02B21/0056G02B21/008
    • An improved confocal microscope system is provided which images sections of tissue utilizing heterodyne detection. The system has a synthesized light source for producing a single beam of light of multiple, different wavelengths using multiple laser sources. The beam from the synthesized light source is split into an imaging beam and a reference beam. The phase of the reference beam is then modulated, while confocal optics scan and focus the imaging beam below the surface of the tissue and collect from the tissue returned light of the imaging beam. The returned light of the imaging beam and the modulated reference beam are combined into a return beam, such that they spatially overlap and interact to produce heterodyne components. The return beam is detected by a photodetector which converts the amplitude of the return beam into electrical signals in accordance with the heterodyne components. The signals are demodulated and processed to produce an image of the tissue section on a display. The system enables the numerical aperture of the confocal optics to be reduced without degrading the performance of the system.
    • 提供了一种改进的共焦显微镜系统,其利用外差检测对组织的部分进行成像。 该系统具有使用多个激光源产生多个不同波长的单光束的合成光源。 来自合成光源的光束被分成成像光束和参考光束。 然后对参考光束的相位进行调制,而共焦光学器件扫描并将成像光束聚焦在组织表面下方并从成像光束的组织返回光中收集。 成像光束和调制参考光束的返回光被组合成返回光束,使得它们在空间上重叠并相互作用以产生外差分量。 返回光束由光电检测器检测,光电检测器根据外差分量将返回光束的幅度转换成电信号。 信号被解调和处理以在显示器上产生组织部分的图像。 该系统可以减少共焦光学元件的数值孔径,而不会降低系统的性能。
    • 10. 发明申请
    • POLYMERS FOR ORIENTATION AND STABILITY OF LIQUID CRYSTALS
    • 聚合物用于液晶的定向和稳定性
    • US20050244589A1
    • 2005-11-03
    • US10993575
    • 2004-11-19
    • Julia KornfieldMichael Kempe
    • Julia KornfieldMichael Kempe
    • G02F1/1334C09K19/02C09K19/38C09K19/54C09K19/56G02F1/1337G02F1/137C09K19/52G02F1/1333
    • C09K19/542G02F1/133703G02F2001/13775Y10T428/10Y10T428/1036
    • An electro-optically active polymer gel material comprising a high molecular weight alignment polymer adapted to be homogeneously dispersed throughout a liquid crystal to control the alignment of the liquid crystal molecules and/or confer mechanical stability is provided. The electro-optically active polymer gel comprises a homogenous gel in which the polymer strands of the gel are provided in low concentration and are well solvated by the small molecule liquid crystal without producing unacceptable slowing of its electrooptic response. During formation of the gel, a desired orientation is locked into the gel by physical or chemical cross-linking of the polymer chains. The electro-optically active polymer is then utilized to direct the orientation in the liquid crystal gel in the “field off” state of a liquid crystal display. The electro-optically active polymer also provides a memory of the mesostructural arrangement of the liquid crystal and acts to suppress the formation of large scale deviations, such as, for example, fan-type defects in a FLC when subjected to a mechanical shock. A method of making an electro-optically active polymer gel material and an electrooptic device utilizing the electro-optically active polymer gel of the present invention is also provided.
    • 提供一种电光活性聚合物凝胶材料,其包含适于均匀分散在液晶中以控制液晶分子取向和/或赋予机械稳定性的高分子量对准聚合物。 电光活性聚合物凝胶包含均匀的凝胶,其中凝胶的聚合物链以低浓度提供并且被小分子液晶很好地溶剂化,而不会导致其电光响应的不可接受的减慢。 在形成凝胶期间,通过聚合物链的物理或化学交联将期望的取向锁定在凝胶中。 然后使用电光活性聚合物将液晶凝胶中的取向引导到液晶显示器的“截止”状态。 电光活性聚合物还提供液晶的介观结构布置的记忆,并且用于抑制大尺度偏差的形成,例如当受到机械冲击时FLC中的扇形缺陷。 还提供了制造电光活性聚合物凝胶材料的方法和利用本发明的电光活性聚合物凝胶的电光装置。