公开(公告)号：US20080316495A1

公开(公告)日：2008-12-25

申请号：US12186201

申请日：2008-08-05

申请人： Takaaki HIRATA ,  Minoru Maeda

发明人： Takaaki HIRATA ,  Minoru Maeda

IPC分类号： G01B9/02

CPC分类号： G01J4/04 ,  G01B9/02003 ,  G01B9/02004 ,  G01B9/02007 ,  G01B2290/45 ,  G01B2290/70 ,  G01J3/10 ,  G01J3/4338 ,  G01J3/453 ,  G01M11/0235 ,  G01M11/0292 ,  G01N21/21 ,  G02B27/283 ,  H04J14/0227 ,  H04J14/0246 ,  H04J14/0279 ,  H04J14/06

摘要： An optical characteristic measuring apparatus includes: a light source section which sweeps wavelengths of a first input light and a second input light respectively, frequencies of the first and second input lights being different from each other and polarized states of the first and second input lights being perpendicular to each other, and outputs the first and second input light; an interference section which inputs one branched light of the first and second input lights to a measuring object, makes output light from the measuring object interfere with other branched light of the first and second input lights, and outputs a plurality of interference lights; a plurality of light receiving sections which are respectively provided for the interference lights, receives the interference lights respectively, and outputs signals in accordance with optical powers of the interference lights respectively; and a low-pass filter for filtering the outputted signals.

摘要翻译： 光学特性测量装置包括：分别扫描第一输入光和第二输入光的波长的光源部，第一和第二输入光的频率彼此不同，第一和第二输入光的偏振状态为 彼此垂直并输出第一和第二输入光; 将第一和第二输入光的一个分支光输入到测量对象的干涉部分，使得来自测量对象的输出光与第一和第二输入光的其他分支光干涉，并输出多个干涉光; 分别设置用于干涉光的多个光接收部分分别接收干涉光，并分别根据干涉光的光功率输出信号; 以及用于对输出信号进行滤波的低通滤波器。

公开(公告)号：US20090079991A1

公开(公告)日：2009-03-26

申请号：US12277032

申请日：2008-11-24

申请人： Takaaki HIRATA ,  Minoru MAEDA

发明人： Takaaki HIRATA ,  Minoru MAEDA

IPC分类号： G01B9/02

CPC分类号： G01J4/04 ,  G01B9/02003 ,  G01B9/02004 ,  G01B9/02007 ,  G01B2290/45 ,  G01B2290/70 ,  G01J3/10 ,  G01J3/4338 ,  G01J3/453 ,  G01M11/0235 ,  G01M11/0292 ,  G01N21/21 ,  G02B27/283 ,  H04J14/0227 ,  H04J14/0246 ,  H04J14/0279 ,  H04J14/06

摘要： An optical characteristic measuring apparatus includes: a light source section which sweeps wavelengths of a first input light and a second input light respectively, frequencies of the first and second input lights being different from each other and polarized states of the first and second input lights being perpendicular to each other, and outputs the first and second input light; an interference section which inputs one branched light of the first and second input lights to a measuring object, makes output light from the measuring object interfere with other branched light of the first and second input lights, and outputs a plurality of interference lights; a plurality of light receiving sections which are respectively provided for the interference lights, receives the interference lights respectively, and outputs signals in accordance with optical powers of the interference lights respectively; and a low-pass filter for filtering the outputted signals.

摘要翻译： 光学特性测量装置包括：分别扫描第一输入光和第二输入光的波长的光源部，第一和第二输入光的频率彼此不同，第一和第二输入光的偏振状态为 彼此垂直并输出第一和第二输入光; 将第一和第二输入光的一个分支光输入到测量对象的干涉部分，使得来自测量对象的输出光与第一和第二输入光的其他分支光干涉，并输出多个干涉光; 分别设置用于干涉光的多个光接收部分分别接收干涉光，并分别根据干涉光的光功率输出信号; 以及用于对输出信号进行滤波的低通滤波器。