PROJECTION DEVICE AND METHOD FOR DIRECTING A LIGHT BEAM TO A TARGET

    公开(公告)号:WO2020254444A1

    公开(公告)日:2020-12-24

    申请号:PCT/EP2020/066825

    申请日:2020-06-17

    申请人: QUBIG GMBH

    IPC分类号: G02B26/08 G02B26/10 G02F1/29

    摘要: A control unit (130) is provided for controlling a projection device (100) for directing a light beam (101) to a target (140). The projection device (100) comprises a light beam deflection unit (120) for two-dimensionally deflecting a light beam (101) in a first direction (x) with a first deflection frequency and in a second direction (y) with a second deflection frequency substantially equal to the first deflection frequency. The control unit (130) is configured to control the deflection unit (120) in such a way that a light spot (141) generated by the light beam (101) on the target (140) moves along a nearly circular path (144) changing its radius (R) over time.

    DEVICE FOR MODULATING A PHYSICAL PROPERTY OF A LIGHT BEAM IN RESPONSE TO AN ELECTRICAL SIGNAL

    公开(公告)号:WO2020254442A1

    公开(公告)日:2020-12-24

    申请号:PCT/EP2020/066823

    申请日:2020-06-17

    申请人: QUBIG GMBH

    发明人: VOGT, Enrico

    IPC分类号: G02F1/01 G02F1/03 H01L23/02

    摘要: A device (1) for modulating a physical property of a light beam in response to an electrical signal is provided, comprising at least one light modulating element (13) capable of modulating a physical property of a light beam in response to an electrical signal and an enclosure (10) enclosing the at least one light modulating element (13). The enclosure (10) is configured to be integrated on a printed circuit board (40, 100).

    ELECTRO-OPTIC MODULATOR
    3.
    发明申请

    公开(公告)号:WO2019121825A1

    公开(公告)日:2019-06-27

    申请号:PCT/EP2018/085707

    申请日:2018-12-18

    申请人: QUBIG GMBH

    IPC分类号: G02F1/03

    CPC分类号: G02F1/0344

    摘要: An electro-optic modulator for modulating a beam of electro-magnetic radiation having a beam path and a beam axis (A) is of a transverse type and comprises: a modulator element (3) that is positioned in the beam path, a housing (2) for receiving the modulator element (3), which housing (2) forms a resonant cavity, and a coupling device (4) for inputting modulating energy into the housing (2) such that a resonant standing wave is generated within the housing (2). The housing (2) comprises at least one sidewall (13, 14, 15, 16, 21, 22, 25, 26, 31, 32, 35, 36, 41, 42, 45, 46, 51, 52) that extends substantially parallel to the beam axis (A) over a length (L), wherein the at least one sidewall (13, 14, 15, 16, 21, 22, 25, 26, 31, 32, 35, 36, 41, 42, 45, 46, 51, 52) comprises a deformed portion (21b, 25b, 26b, 31b, 32b, 35b, 36b, 41b, 42b, 45, 46, 51b, 52b) such that in the resonant cavity a distance (di, d2, d3, d4, d5, ci, c2, c3, c4) between the sidewall and the beam axis (A) in a direction perpendicular to the beam axis (A) varies over at least a portion of the length (L) of the sidewall.