LASER ASSEMBLY, SPECTROMETER AND METHOD FOR OPERATING A LASER

    公开(公告)号:US20210313775A1

    公开(公告)日:2021-10-07

    申请号:US17266374

    申请日:2019-08-09

    IPC分类号: H01S5/34 H01S5/065 H01S5/00

    摘要: A laser assembly (1) comprising: a semiconductor laser (2) with a fast gain medium, wherein the gain relaxation time of the gain medium is smaller than the round-trip time in the standing wave cavity, in particular a quantum cascade laser or an interband cascade laser, and a standing wave cavity (3); a DC source (9) coupled to the standing wave cavity (3) for pumping the laser (2); and an AC injection device (10) for injecting an electrical AC signal into the standing wave cavity (3) to stabilize an optical frequency comb, the AC injection device being suitable for producing an electrical AC signal within a range and/or within an integer multiple of the range, wherein the range is within ±1% of the natural round-trip frequency in the standing wave cavity, comprising at least a first and a second electric contact section (5, 6) extending along a first longitudinal side of the longitudinal extension of the standing wave cavity (3), wherein the AC injection device (10) is coupled to the first and/or to the second electric contact section (5, 6) such that the complex amplitude of the injected electrical AC signal differs for the first and the second longitudinal electric contact section (5, 6).

    Sulfonic acid esters as regulators in radical polymerization reactions

    公开(公告)号:US10982071B2

    公开(公告)日:2021-04-20

    申请号:US15571949

    申请日:2016-05-02

    IPC分类号: C08K5/42 C08F2/38 C08L57/00

    摘要: The invention relates to the use of sulfonic acid esters of the following Formula 1 and/or Formula 2, individually or as a mixture of more than one thereof, as regulators in polymerization reactions of radically polymerizable, ethylenically unsaturated monomers: wherein A in each case independently is selected from H, CN, linear, branched or cyclic aliphatic or aromatic C1-C30 hydrocarbon residues; X in each case independently is —COO— or —CON(R1)—, wherein the binding to A occurs via O or N, or is absent if A is an aromatic hydrocarbon residue or CN; B in each case independently is selected from linear, branched or cyclic aliphatic or aromatic C1-C30 hydrocarbon residues; R1 in each case independently is selected from hydrogen and linear, branched or cyclic aliphatic or aromatic C1-C10 hydrocarbon residues, which are optionally substituted with one or more OH groups, wherein the aliphatic hydrocarbon residues are optionally interrupted by one or more oxygen atoms; and n in each case independently is an integer from 1 to 6.

    Magnetic coupling
    15.
    发明授权

    公开(公告)号:US10704553B2

    公开(公告)日:2020-07-07

    申请号:US15311300

    申请日:2015-05-13

    摘要: Disclosed is a magnetic coupling for transmitting torque along an axis of rotation, comprising two coupling parts which can be rotated relative to each other, wherein a drive-side coupling part has a drive-side permanent magnet and wherein an output-side coupling part has an output-side permanent magnet that lies opposite and at a distance from the drive-side permanent magnet along the axis of rotation. One of the coupling parts comprises a diverting element which is at least partially ferromagnetic and is non-rotatably connected to the permanent magnet of said coupling part and one part of the diverting element is disposed radially outside the opposite permanent magnet.

    COOLING/HEATING DEVICE
    18.
    发明申请
    COOLING/HEATING DEVICE 审中-公开
    冷却/加热装置

    公开(公告)号:US20140208772A1

    公开(公告)日:2014-07-31

    申请号:US14131215

    申请日:2012-07-04

    IPC分类号: F25B21/04

    摘要: A device is provided for cooling or heating vessels and containers for carrying out chemical or physical reactions. The device includes the following components in a vertical direction from top to bottom: a heat-conductive cooling or heating plate; at least one Peltier element equipped with electrical connections; optionally at least one heat-conductive separator plate between two Peltier elements respectively; a heat-conductive thermoblock, through which one or more fluid channels pass, for dissipation and supply of heat from and to the at least one Peltier element; and an external control unit for the at least one Peltier element. The components rest on top of one another and are therefore in direct planar contact with one another.

    摘要翻译: 提供了用于冷却或加热容器和容器进行化学或物理反应的装置。 该装置从上到下垂直地包括以下部件:导热冷却或加热板; 至少一个配有电气连接的珀耳帖元件; 可选地在两个珀耳帖元件之间分别具有至少一个导热隔板; 一个或多个流体通道通过的热传导热块,用于从至少一个珀耳帖元件散发和供应热量; 以及用于所述至少一个珀耳帖元件的外部控制单元。 组件彼此顶部彼此直接平面接触。

    Reinforced concrete tubbing segment

    公开(公告)号:US11867060B2

    公开(公告)日:2024-01-09

    申请号:US17428342

    申请日:2020-02-04

    IPC分类号: E21D11/08

    CPC分类号: E21D11/08

    摘要: The invention relates to a tunnel lining segment of reinforced concrete, wherein the tunnel lining segment has a load transfer area for a longitudinal joint, with at least one steel bar with an end face being installed in the tunnel lining segment, the steel bar being arranged in the tunnel lining segment in such a way that a tangent to a centroidal axis of the steel bar encloses an angle of between 0° and 45° in the end face with a normal to the load transfer area, and wherein the end face is arranged at a distance (a) from the load transfer area which is between 0 mm and 50 mm, preferably between 0 mm and 10 mm.