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    SPECTROSCOPE, WAVELENGTH MEASURING DEVICE, AND SPECTRUM MEASURING METHOD
    83.
    发明公开
    SPECTROSCOPE, WAVELENGTH MEASURING DEVICE, AND SPECTRUM MEASURING METHOD 审中-公开

    公开(公告)号：EP3483573A1

    公开(公告)日：2019-05-15

    申请号：EP17827481.7

    申请日：2017-07-04

    Applicant: Osaka University

    Inventor： KONISHI, Tsuyoshi

    IPC: G01J3/45 ,  G01J3/04 ,  G01J9/02

    Abstract: A spectroscope (100, 200) for measuring a spectrum of input light includes a fringe former that forms first fringes having a first pitch by splitting the input light, a diffraction grating (103) that disperses each of the first fringes, a moire pattern former that forms a moire pattern by overlaying the first fringes that have been dispersed, on second fringes having a second pitch different from the first pitch, and an image pickup device (107) that measures the spectrum of the input light by detecting the moire pattern. At least one of the fringe former and the moire pattern former includes a cylindrical lens array (101, 205).

    OPTICAL INTERFEROMETER
    87.
    发明公开
    OPTICAL INTERFEROMETER 审中-公开

    公开(公告)号：EP3330686A1

    公开(公告)日：2018-06-06

    申请号：EP15899692.6

    申请日：2015-09-03

    Applicant: Hamamatsu Photonics K.K.

    Inventor： WARASHINA Yoshihisa ,  SUZUKI Tomofumi ,  KASAMORI Kohei ,  OKUMURA Ryosuke ,  KOTANI Kyosuke

    IPC: G01J3/45

    Abstract: An optical interferometer 1A includes a branching-combining unit 10, a first optical system 20, a second optical system 30, and a drive unit 40. The branching-combining unit 10 includes a branching surface 11, an incident surface 12, a first output surface 13, a combining surface 14, and a second output surface 15 on an interface between the interior and the exterior of a transparent member, the branching surface 11 partially reflects incident light L 0 and outputs as first branched light L 11 , and transmits the rest of the incident light into the interior as second branched light L 21 , the combining surface 14 partially combines the first branched light L 12 and the second branched light L 22 to be output to the outside as first combined light L 3 , and combines the rest of the first branched light and the second branched light to be propagated into the interior as second combined light L 4 , and the second output surface 15 partially outputs light L 41 of the second combined light L 4 to the outside. Thus, the optical interferometer capable of decreasing the ratio of excessive loss is realized.

    OPTICAL INTERFEROMETER
    88.
    发明公开
    OPTICAL INTERFEROMETER 审中-公开
    光学干涉仪

    公开(公告)号：EP3321650A1

    公开(公告)日：2018-05-16

    申请号：EP15897747.0

    申请日：2015-07-10

    Applicant: Hamamatsu Photonics K.K.

    Inventor： WARASHINA, Yoshihisa ,  SUZUKI, Tomofumi ,  KASAMORI, Kohei ,  OKUMURA, Ryosuke ,  KOTANI, Kyosuke

    IPC: G01J3/45 ,  G01B9/02

    CPC classification number: G01B9/02049 ,  G01B9/02015 ,  G01B9/02027 ,  G01B9/02051 ,  G01J3/0205 ,  G01J3/021 ,  G01J3/0262 ,  G01J3/45 ,  G01J3/453 ,  G01J3/4535

    Abstract: An optical interferometer 1A includes a branching-combining unit 10, a first optical system 20, a second optical system 30, and a drive unit 40, which can be MEMS-based components. The branching-combining unit 10 includes a branching surface 11, an incident surface 12, an output surface 13, and a combining surface 14 on an interface between the interior and the exterior of a transparent member. The branching-combining unit 10, on the branching surface 11, partially reflects incident light L 0 and outputs as first branched light L 11 , and transmits the rest of the incident light into the interior as second branched light L 21 . The branching-combining unit 10, on the combining surface 14, outputs the first branched light L 12 to the outside, reflects the second branched light L 22 , and combines the light beams to be output to the outside as combined light L 3 . Thus, a MEMS-based optical interferometer capable of decreasing light loss from branching to combining and improving interference efficiency is realized.

    Abstract translation: 光干涉仪1A包括分支结合单元10，第一光学系统20，第二光学系统30和驱动单元40，其可以是基于MEMS的部件。 分支结合单元10包括在透明构件的内部和外部之间的界面上的分支表面11，入射表面12，输出表面13和结合表面14。 分支结合单元10在分支表面11上部分地反射入射光L0并作为第一分支光L11输出，并将其余的入射光透射到内部作为第二分支光L21。 分支合成单元10在合成面14上向外部输出第一分支光L12，反射第二分支光L22，并将要输出到外部的光束合成为合成光L3。 因此，实现了能够减少从分支到合并并提高干扰效率的光损耗的基于MEMS的光学干涉仪。

    FOURIER TRANSFORM SPECTROPHOTOMETER
    89.
    发明公开
    FOURIER TRANSFORM SPECTROPHOTOMETER 审中-公开

    公开(公告)号：EP3285053A4

    公开(公告)日：2018-05-02

    申请号：EP15889210

    申请日：2015-04-16

    Applicant: SHIMADZU CORP

    Inventor： KAMIKAKE TADAFUMI

    IPC: G01J3/45 ,  G01J3/28 ,  G01J3/453 ,  G01N21/35

    CPC classification number: G01J3/4535 ,  G01J3/108 ,  G01J3/45 ,  G01J2003/2866 ,  G01N2021/3595

    Abstract: Disclosed is a Fourier transform spectroscope having a control interferometer capable of facilitating optical axis adjustment and miniaturization by reducing the number of optical elements. Using a first reflection mirror 131 provided with a reflection surface 131a configured to reflect measurement light emitted from a measurement light source 110 toward a beam splitter 140 and a first through-hole 131b extending along an optical axis direction of the measurement light reflected on the reflection surface 131a and a laser light source holding portion configured to hold a laser light source 120 such that laser light emitted from the laser light source 120 is incident to the beam splitter 140 through the first through-hole 131b, optical axes of the measurement light and the laser light are aligned with each other. Since a laser reflection mirror for aligning the optical axes of the measurement light and the laser light of the related art is not necessary, it is possible to reduce the number of parts and facilitate optical axis adjustment and miniaturization.

    AN OPTICAL INTERFERENCE DEVICE
    90.
    发明公开
    AN OPTICAL INTERFERENCE DEVICE 审中-公开

    公开(公告)号：EP3117191A4

    公开(公告)日：2018-03-28

    申请号：EP15761993

    申请日：2015-03-12

    Applicant: NAT UNIV SINGAPORE

    Inventor： HEUSSLER SASCHA PIERRE ,  MOSER HERBERT OSKAR ,  PATHAK ALOK

    IPC: G01J3/45

    CPC classification number: G01J3/4531 ,  G01J3/0205 ,  G01J3/0208 ,  G01J3/0229 ,  G01J3/0272

    Abstract: An optical interference device 100 is disclosed herein. In a described embodiment, the optical interference device 100 comprises a phase shifter array 108 for receiving a collimated beam of light. The phase shifter array 108 includes an array of cells 128 for producing optical light channels from respective rays of the collimated beam of light, with at least some of the optical light channels having varying phase shifts. The optical interference device 100 further includes a focusing lens 110 having a focal distance and arranged to simultaneously produce, from the optical light channels, a focused beam of light in its focal plane and an image downstream the phase shifter array 108 for detection by an optical detector 116. The optical interference device 100 also includes an optical spatial filter 112 arranged at the focal distance of the focusing lens 110 and arranged to filter the focused beam of light to produce a spatially distributed interference light pattern in zeroth order for detection by the optical detector 116. A method for producing a spatially distributed interference light pattern is also disclosed.

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