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1. 发明专利

JP2010072533A Polarization modulator and measuring device 有权
标题翻译：极化调制器和测量装置
公开(公告)号：JP2010072533A
公开(公告)日：2010-04-02
申请号：JP2008242415
申请日：2008-09-22
申请人： Nokodai Tlo Kk , 農工大ティー・エル・オー株式会社
发明人： OTANI YUKITOSHI , KOBAYASHI FUMIO , NAKAJO MITSURU , NAKAJIMA YOSHINORI , SEKIGUCHI KIMINORI , TANAKA MASANOSUKE
IPC分类号： G02F1/13 , G01N21/21 , G02F1/1333
摘要： PROBLEM TO BE SOLVED: To provide a measuring device measuring the optical rotation of a measurement object in a short time, and a polarization modulator used for the measuring device.
SOLUTION: The measuring device includes: a first polarizer 18 which transmits a predetermined polarizing component of light containing predetermined bandwidth components; a polarization modulator 20 which modulates the light having passed through the first polarizer 18 into optional polarization light; a second polarizer 32 which transmits the polarization component of the light having passed through the measurement object 30 via the polarization modulator 20; and a detection part 34 which detects the light having passed through the second polarizer and converts it into an electric signal. The polarization modulator 20 includes: first and second liquid crystal elements 22 and 24 different in major axis orientation; and voltage control parts 23, 25 which control the applied voltage to the first and second liquid crystal elements 22, 24. The first and second liquid crystal elements 22 and 24 are constituted by a plurality of liquid crystal cells 27, 28, respectively.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在短时间内测量测量对象的旋光度的测量装置和用于测量装置的偏振调制器。解决方案：测量装置包括：第一偏振器18，其透射包含预定带宽分量的光的预定偏振分量; 偏振调制器20，其将已经穿过第一偏振器18的光调制成可选的偏振光; 第二偏振器32，其经由偏振调制器20透射已经通过测量对象30的光的偏振分量; 以及检测部34，其检测通过第二偏振片的光并将其转换为电信号。偏振调制器20包括：长轴取向不同的第一和第二液晶元件22和24; 以及控制对第一和第二液晶元件22,24的施加电压的电压控制部分23,25。第一和第二液晶元件22和24分别由多个液晶单元27,28构成。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009192343A Measuring device for measuring optical rotation of measuring object 有权
标题翻译：用于测量测量对象光学旋转的测量装置
公开(公告)号：JP2009192343A
公开(公告)日：2009-08-27
申请号：JP2008032708
申请日：2008-02-14
申请人： Nokodai Tlo Kk , 農工大ティー・エル・オー株式会社
发明人： OTANI YUKITOSHI , KOBAYASHI FUMIO , EBISAWA MIZUE , NAKAJIMA YOSHINORI
IPC分类号： G01N21/19 , G01J4/04
摘要： PROBLEM TO BE SOLVED: To provide a measuring device capable of measuring each optical rotation of many wavelengths with a simple constitution.
SOLUTION: This device includes the first polarizer 18 for transmitting a prescribed polarization component of light; a polarized-light modulation part 20 for modulating transmitted light into optional polarized light; the second polarizer 32 for allowing transmission of a prescribed polarization component of light transmitted through a measuring object 30 through the polarized-light modulation part 20; a dichroic mirror 80 for allowing transmission of a prescribed wavelength component of the transmitted light, and reflecting a wavelength component other than the prescribed wavelength component; the first filter 82 for allowing transmission of the first wavelength of light transmitted through the dichroic mirror 80; the second filter 84 for allowing transmission of the second wavelength of light reflected by the dichroic mirror 80; the first detection part 34 for detecting light intensity of light transmitted through the first filter 82; and the second detection part 36 for detecting light intensity of light transmitted through the second filter 84.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够以简单的结构测量许多波长的每个旋光度的测量装置。解决方案：该装置包括用于传输规定的光的偏振分量的第一偏振器18; 用于将透射光调制成可选偏振光的偏振光调制部20; 用于允许透射通过测量对象30的光的规定偏振分量通过偏振光调制部分20的第二偏振器32; 分光镜80，用于允许传输透射光的规定波长分量，并反射除规定波长成分以外的波长分量; 用于允许透射通过分色镜80的第一波长的光的第一滤光器82; 用于允许透射由分色镜80反射的第二波长的光的第二滤光器84; 用于检测透过第一滤光器82的光的光强度的第一检测部分34; 以及第二检测部分36，用于检测透过第二滤光器84的光的光强度。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2009133850A Polarization modulator and measuring apparatus 审中-公开
标题翻译：极化调制器和测量装置
公开(公告)号：JP2009133850A
公开(公告)日：2009-06-18
申请号：JP2008286530
申请日：2008-11-07
申请人： Nokodai Tlo Kk , 農工大ティー・エル・オー株式会社
发明人： OTANI YUKITOSHI , KOBAYASHI FUMIO , NAKAJIMA YOSHINORI , TANAKA MASANOSUKE
IPC分类号： G01N21/21 , G01J4/04
摘要： PROBLEM TO BE SOLVED: To provide a measuring apparatus and a measuring method, capable of precisely measuring an optical rotation of an object to be measured without affected by the ambient temperature, and making the apparatus compact.
SOLUTION: The measuring apparatus 1 which measures the optical rotation of the object to be measured, comprises: a first polarizer 18 for transmitting a prescribed polarized component of light; a polarization modulator 20 for modulating the transmitted light into arbitrary polarized light; a second polarizer 32 for transmitting a prescribed polarized component of the light being polarization-modulated and transmitted through the object to be measured 30; and a detecting section 34 for detecting the transmitted light and converting it into an electric signal. The polarization modulator 20 comprises: a liquid crystal element 21 composed of a first liquid crystal cell 22 and a second liquid crystal cell 24; a temperature control section 26 for controlling a temperature of the liquid crystal cell 21; and voltage controlling sections 23, 25 for controlling voltages being applied to the first liquid crystal cell 22 and the second liquid crystal cell 24. The first liquid crystal cell 22 and the second liquid crystal cell 24 are made different from each other in rubbing direction, whereby their primary-axis azimuths are different from each other.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在不受环境温度的影响的情况下精确地测量被测量物体的旋光度并使设备紧凑的测量装置和测量方法。测量被测物体的旋光度的测量装置1包括：第一偏振器18，用于传输规定的偏振光分量; 用于将透射光调制成任意偏振光的偏振调制器20; 第二偏振器32，用于透射经被测量物体30偏振调制并透射的光的规定偏振分量; 以及用于检测透射光并将其转换成电信号的检测部分34。偏振光调制器20包括：由第一液晶单元22和第二液晶单元24构成的液晶元件21; 用于控制液晶单元21的温度的温度控制部26; 以及用于控制施加到第一液晶单元22和第二液晶单元24的电压的电压控制部23,25。第一液晶单元22和第二液晶单元24在摩擦方向上彼此不同，由此它们的主轴方位彼此不同。版权所有（C）2009，JPO＆INPIT

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