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    FILTER FOR LASER PROTECTION
    2.
    发明申请
    FILTER FOR LASER PROTECTION 审中-公开

    公开(公告)号：US20190107656A1

    公开(公告)日：2019-04-11

    申请号：US16087133

    申请日：2017-03-17

    Applicant: BAE Systems plc

    Inventor： Daniel Benjamin Black ,  Leslie Charles LAYCOCK

    IPC: G02B5/20 ,  B64C1/14

    Abstract: A method of forming a conformable filter, comprising the steps of: —selecting at least a first wavelength corresponding to a predetermined laser threat; —providing a conformable photosensitive film (320) and exposing said film to radiation from a focused laser source (100) of said first wavelength to create a first filter region therein configured to substantially block incident radiation thereon substantially only of said first wavelength while substantially allowing other visible wavelengths to be transmitted; —selecting a bandwidth corresponding to a first predetermined wavelength band including said first wavelength and exposing said polymeric film (320) to radiation from one or more further laser sources of respective different wavelengths within said first predetermined wavelength band to create a notch filter region therein, including said first filter region, said notch filter region being configured to substantially block incident radiation thereon at a wavelength within said first predetermined wavelength band whilst substantially allowing visible wavelengths outside of said first predetermined wavelength band to be transmitted therethrough.

    COATING MATERIAL
    4.
    发明申请
    COATING MATERIAL 有权

    公开(公告)号：US20210311227A1

    公开(公告)日：2021-10-07

    申请号：US17267260

    申请日：2019-08-09

    Applicant: BAE SYSTEMS plc

    Inventor： Mark Edgar Bray ,  Daniel Phillip Crane ,  Daniel Benjamin Black ,  Duncan Peter Rowe ,  Leslie Charles Laycock

    IPC: G02B1/111 ,  G02B5/28 ,  G02B1/00 ,  G02B5/126

    Abstract: A coating material (10) for coating an article is described. The coating material (10) comprises a surface (100) having an optical interference coating (110) thereon. The coating material (10) improves protection of the article from incident electromagnetic radiation having a predetermined wavelength. The coating material (10) may retroreflect at least some of the incident electromagnetic radiation, for example towards a source (e.g. a laser) thereof. An article having a coating provided by such a coating material and methods of providing such coating materials are also described.

    FILTER
    5.
    发明申请
    FILTER 审中-公开

    公开(公告)号：US20190093420A1

    公开(公告)日：2019-03-28

    申请号：US16087116

    申请日：2017-03-17

    Applicant: BAE Systems plc

    Inventor： Daniel Benjamin Black ,  Mohammed-Asif Akhmad ,  Leslie Charles LAYCOCK

    IPC: E06B3/67 ,  G02B5/28 ,  G01J1/04 ,  B60J1/02 ,  E06B9/24 ,  B60J3/00 ,  B60Q9/00

    Abstract: There is disclosed a filter for a vehicle window comprising a layer of filter material, the layer of filter material being for substantially preventing the transmission of radiation at a first predetermined visible wavelength band, the first predetermined visible wavelength band covering the wavelength of a predetermined laser threat, whilst substantially allowing visible wavelengths outside of the band to be transmitted, such that the filter can offer a visible light transmission of at least 70%, and a radiation detector, such that radiation at the first predetermined wavelength band can be detected.

    FILTER FOR LASER PROTECTION
    7.
    发明申请
    FILTER FOR LASER PROTECTION 审中-公开

    公开(公告)号：US20190129077A1

    公开(公告)日：2019-05-02

    申请号：US16087140

    申请日：2017-03-20

    Applicant: BAE Systems plc

    Inventor： Daniel Benjamin Black ,  Leslie Charles Laycock

    IPC: G02B5/20 ,  G03H1/04 ,  E06B3/67 ,  E06B5/18

    Abstract: A method of forming a filter, comprising the steps of:—selecting at least a first wavelength corresponding to a predetermined laser threat and having a first colour in the visible spectrum;—providing a generally transparent substrate and forming a first notch filter region therein configured to substantially block incident radiation thereon of wavelengths within a first predetermined wavelength band including said first wavelength;—selecting a second wavelength having a second colour in the visible spectrum and forming a colour balancing notch filter region in said substrate configured to block incident radiation thereon of wavelengths within a wavelength band including said second wavelength, thereby to balance or neutralise any colour distortion of said substrate caused by said first notch filter region.

    FILTER
    8.
    发明申请
    FILTER 审中-公开

    公开(公告)号：US20190101675A1

    公开(公告)日：2019-04-04

    申请号：US16087124

    申请日：2017-03-17

    Applicant: BAE Systems plc

    Inventor： Daniel Benjamin Black ,  Mohammed-Asif Akhmad ,  Leslie Charles LAYCOCK

    IPC: G02B5/28 ,  G02C7/10 ,  B64C1/14

    Abstract: A method of forming a conformable filter for a vehicle window, comprising the steps of: —selecting at least a first wavelength corresponding to a predetermined laser threat; —providing a conformable photosensitive film and exposing said film to radiation from a focused laser source of said first wavelength to create a first filter region therein configured to substantially block incident radiation thereon substantially only of said first wavelength; —determining if an essential lighting source outside or inside the vehicle includes said first wavelength and, if so, —selecting a bandwidth corresponding to a first predetermined wavelength band including said first wavelength and exposing said polymeric film to radiation from one or more further laser sources of respective different wavelengths within said first predetermined wavelength band to create a notch filter region therein, including said first filter region, said notch filter region being configured to substantially block incident radiation thereon at wavelengths within said first predetermined wavelength band whilst substantially allowing visible wavelengths outside of said first predetermined wavelength band to be transmitted therethrough, and wherein said bandwidth is selected to optimise visibility through said filter of said essential lighting source.

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