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    CONCEALMENT COMPONENT FOR AN OPTICAL SENSOR DEVICE
    3.
    发明公开
    CONCEALMENT COMPONENT FOR AN OPTICAL SENSOR DEVICE 审中-公开

    公开(公告)号：US20230314213A1

    公开(公告)日：2023-10-05

    申请号：US17657233

    申请日：2022-03-30

    Applicant: VIAVI Solutions Inc.

    Inventor： William D. HOUCK ,  Fred VAN MILLIGEN

    IPC: G01J3/02 ,  G01J3/42 ,  G02B5/20

    CPC classification number: G01J3/0205 ,  G01J3/42 ,  G02B5/201 ,  G01J2003/1213

    Abstract: A concealment component for an optical sensor device includes an optical filter and one or more diffusive optical structures. The one or more diffusive optical structures are configured to distribute light in a diffused pattern on an input surface of the optical filter. The optical filter is configured to pass a first set of light beams, of the light distributed in the diffused pattern on the input surface of the optical filter, that are associated with a particular wavelength range, and prevent a second set of light beams, of the light distributed in the diffused pattern on the input surface of the optical filter, that are not associated with the particular wavelength range, from passing. Preventing the second set of light beams from passing is to cause the second set of light beams to be directed away from or absorbed by the concealment component in a concealment pattern.

    ACCURATE RAMAN SPECTROSCOPY
    5.
    发明公开
    ACCURATE RAMAN SPECTROSCOPY 审中-公开

    公开(公告)号：US20230168200A1

    公开(公告)日：2023-06-01

    申请号：US17816713

    申请日：2022-08-01

    Applicant: NOVA LTD.

    Inventor： Eyal Hollander ,  Gilad BARAK ,  Elad Schleifer ,  Yonatan OREN ,  Amir Shayari

    IPC: G01N21/65 ,  G01J3/02 ,  G01J3/44

    CPC classification number: G01N21/65 ,  G01J3/0205 ,  G01J3/027 ,  G01J3/4412 ,  G01N2201/0636 ,  G01N2201/06113

    Abstract: A method, a system, and a non-transitory computer readable medium for Raman spectroscopy. The method may include determining first acquisition parameters of a Raman spectroscope to provide a first acquisition set-up, the determining is based on at least one expected radiation pattern to be detected by a sensor of the Raman spectroscope as a result of an illumination of a first area of a sample, the first area comprises a first nano-scale structure, wherein at least a part of the at least one expected radiation pattern is indicative of at least one property of interest of the first nano-scale structure of the sample; wherein the first acquisition parameters belong to a group of acquisition parameters; setting the Raman spectroscope according to the first acquisition set-up; and acquiring at least one first Raman spectrum of the first nano-scale structure of the sample, while being set according to the first acquisition set-up

    MITIGATING MENISCUS EFFECTS IN VERTICALLY ORIENTED CIRCULAR DICHROISM SPECTROMETERY
    8.
    发明申请
    MITIGATING MENISCUS EFFECTS IN VERTICALLY ORIENTED CIRCULAR DICHROISM SPECTROMETERY 审中-公开

    公开(公告)号：US20180283948A1

    公开(公告)日：2018-10-04

    申请号：US15765698

    申请日：2016-10-06

    Applicant: Hinds Instruments, Inc.

    Inventor： Baoliang Wang

    IPC: G01J3/447 ,  G01J4/04 ,  G01N21/19 ,  G01N21/21 ,  G01N21/25

    CPC classification number: G01J3/447 ,  G01J3/0205 ,  G01J3/0224 ,  G01J4/04 ,  G01J2004/001 ,  G01N21/19 ,  G01N21/21 ,  G01N21/253 ,  G01N2021/216

    Abstract: Example embodiments of methods, apparatus, and systems for measuring polarimetric parameters using spectroscopy are disclosed herein. Particular embodiments concern circular dichroism (CD) spectrometers that use a vertically aligned beam. In such embodiments, the solution being analyzed may have a top surface that forms a convex or concave meniscus, creating a surface through which the measuring beam passes that may refract the beam in undesirable ways. Accordingly, particular embodiments of the disclosed technology include one or more meniscus-compensating (meniscus-effect-reducing) components or subsystems. These components and/or subsystems can be used alone or in combination with one another to reduce the undesirable refractive effects caused by the meniscus at the solution's surface, thereby improving the resulting quality of the spectroscopy measurement and potentially improving the speed with which CD spectroscopy can be performed.

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