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    Dual Parabolic Laser Driven Sealed Beam Lamp
    12.
    发明申请
    Dual Parabolic Laser Driven Sealed Beam Lamp 审中-公开

    公开(公告)号：US20190108994A1

    公开(公告)日：2019-04-11

    申请号：US16210444

    申请日：2018-12-05

    Applicant: Excelitas Technologies Corp.

    Inventor： Rudi Blondia

    IPC: H01J61/02 ,  H01J65/04 ,  H01J61/54 ,  H01J61/35 ,  H01J61/33 ,  H01J61/16 ,  H01J61/30 ,  H01J61/24

    Abstract: The invention is directed to a sealed high intensity illumination device configured to receive a laser beam from a laser light source. A sealed chamber is configured to contain an ionizable medium. The chamber includes a reflective chamber interior surface having a first parabolic contour and parabolic focal region, a second parabolic contour and parabolic focal region, an ingress surface configured to admit the laser beam into the chamber, and an egress surface configured to emit high intensity light from the chamber. The first parabolic contour is configured to reflect light from the first parabolic focal region to the second parabolic contour, and the second parabolic contour is configured to reflect light from the first parabolic contour to the second parabolic focal region.

    Visible light photo-disinfection patch
    13.
    发明授权
    Visible light photo-disinfection patch 有权

    公开(公告)号：US10166402B2

    公开(公告)日：2019-01-01

    申请号：US13895943

    申请日：2013-05-16

    Applicant: Excelitas Technologies Corp.

    Inventor： Kevin Brennan ,  Thomas Papanek

    IPC: A61B5/06 ,  A61N5/06 ,  A61F13/00 ,  A61L2/00 ,  F21V8/00

    Abstract: A method and device are presented for providing patient safe light to a wound. The device includes a radiation source producing flora lethal radiation wavelengths, a radiation conduit detachably optically coupled to the radiation source, and a patch remotely located from the radiation source configured to at least partially conform to a surface contour of the wound. The patch includes a flexible panel formed of a radiation transmitting material able to withstand sterilization, including at least one surface with a disturbed surface area configured to emit radiation upon the wound.

    Apparatus and method for dynamic adjustment of the bandwidth of a power converter
    14.
    发明授权
    Apparatus and method for dynamic adjustment of the bandwidth of a power converter 有权

    公开(公告)号：US09979281B2

    公开(公告)日：2018-05-22

    申请号：US15288063

    申请日：2016-10-07

    Applicant: Excelitas Technologies Corp.

    Inventor： Neil Symonds

    IPC: H02M3/04

    CPC classification number: H02M3/156 ,  H02M2003/1566

    Abstract: A power converter is configured to increase bandwidth in response to a magnitude of the difference between the target output voltage and the actual output voltage. The converter includes a subtractor to receive a reference voltage and a scaled output as inputs, configured to produce an error as output, a functional block configured to receive the error as input and to produce a functional block output, a first multiplier configured to receive the functional block output and scale the functional block output by a first loop constant, and a second multiplier configured to receive the functional block output and scale the functional block output by a second loop constant. The functional block is configured to increase the error value fed to the first multiplier and the second multiplier by a factor f(x).

    Dual Parabolic Laser Driven Sealed Beam Lamps
    15.
    发明申请
    Dual Parabolic Laser Driven Sealed Beam Lamps 审中-公开

    公开(公告)号：US20170263433A1

    公开(公告)日：2017-09-14

    申请号：US15604925

    申请日：2017-05-25

    Applicant: Excelitas Technologies Corp.

    Inventor： Rudi Blondia

    IPC: H01J61/02 ,  H01J65/04 ,  H01J61/30 ,  H01J61/33 ,  H01J61/35 ,  H01J61/54 ,  H01J61/16 ,  H01J61/24

    CPC classification number: H01J61/025 ,  H01J61/16 ,  H01J61/24 ,  H01J61/30 ,  H01J61/33 ,  H01J61/35 ,  H01J61/54 ,  H01J65/04 ,  H01J65/042

    Abstract: The invention is directed to a sealed high intensity illumination device configured to receive a laser beam from a laser light source. A sealed chamber is configured to contain an ionizable medium. The chamber includes a reflective chamber interior surface having a first parabolic contour and parabolic focal region, a second parabolic contour and parabolic focal region, and an interface surface. An ingress surface is disposed within the interface surface configured to admit the laser beam into the chamber, and an egress surface disposed within the interface surface configured to emit high intensity light from the chamber. The first parabolic contour is configured to reflect light from the first parabolic focal region to the second parabolic contour, and the second parabolic contour is configured to reflect light from the first parabolic contour to the second parabolic focal region.

    INITIATOR
    16.
    发明申请
    INITIATOR 审中-公开
    发起者

    公开(公告)号：US20170059289A1

    公开(公告)日：2017-03-02

    申请号：US15352652

    申请日：2016-11-16

    Applicant: Excelitas Technologies Corp.

    Inventor： Barry Neyer ,  Daniel Raymond Knick ,  Paul Thomas Moore ,  Robert Tomasoski

    IPC: F42B3/18 ,  F42B3/11

    CPC classification number: F42B3/18 ,  F42B3/11

    Abstract: An initiator including a housing adapted to be received in an igniter or rocket motor, at least one charge at a distal end of the housing, an electro-explosive device behind the charge for detonating the charge when subject to a voltage HV, and a pressure bulkhead behind the electro-explosive device. An electronic subsystem in the housing is connected to the electro-explosive device through the bulkhead and includes a lead for providing the voltage HV to the electro-explosive device to initiate it, and a switch in the lead which does not conduct if errant voltages are present on the lead to prevent initiation of the electro-explosive device until the correct voltage HV is present.

    Abstract translation: 一种启动器，包括适于被接收在点火器或火箭发动机中的壳体，在壳体的远端处的至少一个电荷，在经受电压HV时引爆电荷的电荷之后的电炸药装置，以及压力 电击爆炸装置后面的舱壁。 壳体中的电子子系统通过隔板连接到电炸药装置，并包括用于向电爆炸装置提供电压HV以引发电压的引线，以及引线中的开关，如果错误的电压为 存在导线，以防止电爆炸装置的启动，直到存在正确的电压HV。

    Optically pumped tunable VCSEL employing geometric isolation
    17.
    发明申请
    Optically pumped tunable VCSEL employing geometric isolation 有权

    公开(公告)号：US20210175683A1

    公开(公告)日：2021-06-10

    申请号：US17147691

    申请日：2021-01-13

    Applicant: EXCELITAS TECHNOLOGIES CORP.

    Inventor： Bartley C. Johnson ,  Walid A. Atia ,  Peter S. Whitney ,  Mark E. Kuznetsov ,  Edward J. Mallon

    IPC: H01S5/04 ,  H01S5/183 ,  H01S5/50

    Abstract: An optically pumped tunable VCSEL swept source module has a VCSEL and a pump, which produces light to pump the VSCEL, wherein the pump is geometrically isolated from the VCSEL. In different embodiments, the pump is geometrically isolated by defocusing light from the pump in front of the VCSEL, behind the VCSEL, and/or by coupling the light from the pump at an angle with respect to the VCSEL. In the last case, angle is usually less than 88 degrees. There are further strategies for attacking pump noise problems. Pump feedback can be reduced through (1) Faraday isolation and (2) geometric isolation. Single frequency pump lasers (Distributed feedback lasers (DFB), distributed Bragg reflector lasers (DBR), Fabry-Perot (FP) lasers, discrete mode lasers, volume Bragg grating (VBG) stabilized lasers can eliminate wavelength jitter and amplitude noise that accompanies mode hopping.

    Low-loss and fast acting solid-state breaker
    18.
    发明授权
    Low-loss and fast acting solid-state breaker 有权

    公开(公告)号：US10985546B2

    公开(公告)日：2021-04-20

    申请号：US16252651

    申请日：2019-01-20

    Applicant: Excelitas Technologies Corp.

    Inventor： John E. Waldron ,  Kenneth Brandmier ,  James K. Azotea

    IPC: H02H3/033 ,  H02H3/08 ,  H02H3/20 ,  H03K17/0416 ,  H02H3/027 ,  H02H3/44 ,  H03K17/567

    Abstract: A circuit including a source, a load, and an isolation circuit for controllably isolating the load from the source. The isolation circuit is disposed between the source and the load. The isolation circuit includes at least one insulated-gate bipolar transistor (IGBT) and at least one gate turn-off thyristor (GTO) in parallel with the insulated-gate bipolar transistor. When no fault condition exists, the GTO is configured to be ON to couple the load to the source. When a fault condition exists, the at least one IGBT is configured to turn ON. After the at least one IGBT turns ON, the at least one GTO is configured to turn OFF. After a predetermined amount of time, reflecting the post fabrication alteration to the GTO's minority carrier lifetime (e.g. electron irradiation), after the at least one GTO turns OFF, the at least one IGBT is configured to turn OFF. Alternatively, the circuit is used as an inverter switch, where at the command to turn ON is supplied, the at least one IGBT is turned ON, followed by the at least one SGTO. When commanded to turn OFF the at least one SGTO is turned OFF followed by the at least one IGBT. This alternative configuration allows the robust, controllable switching speeds of IGBTs and the superior conduction efficiency of SGTOs. The two configurations mentioned above utilize a wide range of SGTO performance, thus the ability to control the SGTOs turn-off speed by reducing its minority carrier lifetime after the device is processed is of large importance. The efficiency of all uses of the circuit can be optimized with the judicious selection of SGTO minority carrier lifetime and the ratio of active area between the SGTO and IGBT devices. In all cases there is a balance between the time the circuit can achieve hard turn-off without current commutation, the conduction efficiency of the circuit and the maximum amount of controllable current. In all cases both the conduction efficiency of the circuit is higher than an IGBT-only based circuit, and the switching performance is higher than a GTO-only based circuit.

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