公开(公告)号：WO2022245285A2

公开(公告)日：2022-11-24

申请号：PCT/SG2022/050318

申请日：2022-05-13

Applicant: NANYANG TECHNOLOGICAL UNIVERSITY ,  UNIVERSITY OF SOUTHAMPTON

Inventor： VETLUGIN, Anton ,  SOCI, Cesare ,  ZHELUDEV, Nikolay Ivanovich

IPC: G01J1/44 ,  H04B10/70 ,  G01J11/00 ,  G01J1/0407 ,  G01J1/0425 ,  G01J1/42 ,  G01J2001/442

Abstract: According to embodiments of the present invention, a method of detecting photons is provided. The method includes arranging a plurality of light absorbing elements to interact with an electromagnetic standing wave at a corresponding plurality of points of the electromagnetic standing wave to absorb at least part of the electromagnetic standing wave, the plurality of light absorbing elements being spaced apart from each other, and detecting electrical signals generated in response to the absorption to detect photons corresponding to the electromagnetic standing wave. According to further embodiments of the present invention, a photon detector arrangement is also provided.

公开(公告)号：WO2021091601A2

公开(公告)日：2021-05-14

申请号：PCT/US2020/041920

申请日：2020-07-14

Applicant: BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC.

Inventor： FREY, Jr., Robert D. ,  AFFLECK, Maxwell L. ,  BATCHELDER, Jason H. ,  CULLEN, Joseph P. ,  ROBICHAUD, Matthew H.

IPC: F41G7/26 ,  F41G7/24 ,  F41G7/22 ,  F41G7/2246 ,  F41G7/226 ,  F41G7/2293 ,  F42B10/60 ,  F42B15/01 ,  F42B15/105 ,  G01J1/0214 ,  G01J1/0219 ,  G01J1/0252 ,  G01J1/0407 ,  G01J1/0422 ,  G01J11/00

Abstract: An optical seeker assembly having an optical detector located within the wing or canards of a precision guided munition. The optical seeker provides on-wing processing that generates low bandwidth detection data that can be easily transferred to a primary CPU located within the main body or fuselage of the precision guided munition. The on-wing processing reduces or eliminates the need for optical fibers extending between an optical wedge and an optical detector to reduce the likelihood of optical fibers from impeding in the mechanical deployment of the wing and reduces losses. The reduction or elimination of optical fibers between the optical wedge and the optical detector further enables the optical detection assembly to have a higher pixel ratio or transmitting raw data between the wedge and the detector by sending sampled detection data across a low bandwidth link to a CPU in the main body.

公开(公告)号：WO2021216162A2

公开(公告)日：2021-10-28

申请号：PCT/US2021/015798

申请日：2021-01-29

Applicant: APPLIED MATERIALS, INC.

Inventor： YANG, Zihao ,  ZHU, Mingwei ,  PATIBANDLA, Nag B. ,  YAHAV, Nir ,  VISSER, Robert Jan ,  DE LA ZERDA, Adi

IPC: G01J1/44 ,  G01J1/02 ,  H01B12/06 ,  G01J1/0407 ,  G01J1/0437 ,  G01J1/42 ,  G01J2001/0496 ,  G01J2001/442 ,  H01L39/10 ,  H01L39/12 ,  H01L39/2416 ,  H01L39/248

Abstract: A superconducting nanowire single photon detector (SNSPD) device includes a substrate, a distributed Bragg reflector on the substrate, a seed layer of a metal nitride on the distributed Bragg reflector, and a superconductive wire on the seed layer. The distributed Bragg reflector includes a plurality of bi-layers, each bilayer including lower layer of a first material and an upper layer of a second material having a higher index of refraction than the first material. The wire is a metal nitride different from the metal nitride of the seed material.

公开(公告)号：WO2021119954A1

公开(公告)日：2021-06-24

申请号：PCT/CN2019/125768

申请日：2019-12-16

Applicant: 谱诉光电科技（苏州）有限公司

Inventor： 冯旭东 ,  赵振英

IPC: G01J1/04 ,  G01J1/0407 ,  G01J1/42

Abstract: 一种弱光检测方法，包括以下步骤：S1.关闭待测光光源开关，打开补偿光光源；S2.补偿光光源发出初级光，将初级光通过衰减组件进行衰减处理后变成补偿光；S3.调整补偿光的光强，使得射向光电传感器的补偿光强进入与之对应的光电传感器的检测限，记录此时光电传感器的输出电信号；S4.打开待测光光源开关，通过滤光元件依据待测光的光波参数将所需参数之外的光波滤除；S5.采用光采集装置将通过滤光装置的弱光信号聚光后照射至光电传感器的感光面，同时使与步骤S3中相同光强的补偿光也照射至光电传感器的感光面，记录此时光电传感器的输出电信号；S6.对步骤S3与步骤S5测得的电信号进行修正处理，其提高了光电传感器对弱光的检测能力。

公开(公告)号：WO2022078723A1

公开(公告)日：2022-04-21

申请号：PCT/EP2021/076108

申请日：2021-09-22

Applicant: ECO COMPTEUR

Inventor： MILON, Christophe ,  ROUGEOLLE, Mathieu

IPC: G01J1/02 ,  G01J5/04 ,  G01J5/08 ,  G06M1/02 ,  G01J1/04 ,  G01J1/0271 ,  G01J1/0407 ,  G01J1/0411 ,  G01J5/045 ,  G01J5/048 ,  G01J5/05 ,  G01J5/0806 ,  G01J5/0875

Abstract: L'invention concerne un dispositif de comptage (100) comprenant : - une paroi (102) délimitant un volume intérieur, - un moyen de comptage (302) d'objets positionné dans ledit volume intérieur et comprenant une lentille de mesure (304) délimitant optiquement une zone de détection à l'extérieur dudit dispositif de comptage (100), la paroi (102) du dispositif de comptage (100) comprend une fenêtre (104) : - comprenant du germanium, de préférence étant entièrement composée de germanium, et - positionnée devant, de préférence centrée sur, la lentille de mesure (304), ladite lentille de mesure (304) et ladite fenêtre (104) étant agencées pour transmettre un flux émis par les objets présents dans ladite zone de détection vers ledit moyen de comptage (100).

公开(公告)号：WO2021188211A2

公开(公告)日：2021-09-23

申请号：PCT/US2021/015807

申请日：2021-01-29

Applicant: APPLIED MATERIALS, INC.

Inventor： YANG, Zihao ,  ZHU, Mingwei ,  PATIBANDLA, Nag B. ,  YAHAV, Nir ,  VISSER, Robert, Jan ,  DE LA ZERDA, Adi

IPC: G01J1/44 ,  G01J1/04 ,  H01L39/12 ,  G01J1/0407 ,  G01J1/42 ,  G01J2001/442 ,  G02B6/107 ,  H01L39/10 ,  H01L39/2416

Abstract: A superconducting nanowire single photon detector (SNSPD) device includes a substrate having a top surface, an optical waveguide on the top surface of the substrate to receive light propagating substantially parallel to the top surface of the substrate, a seed layer of metal nitride on the optical waveguide, and a superconductive wire on the seed layer. The superconductive wire is a metal nitride different from the metal nitride of the seed layer and is optically coupled to the optical waveguide.