
基本信息:
- 专利标题: CALIBRATION OF PARTICLE DETECTORS
- 专利标题(中):颗粒检测器校准
- 申请号:US13123497 申请日:2009-10-12
- 公开(公告)号:US20110276296A1 公开(公告)日:2011-11-10
- 发明人: Ian Alexander Walmsley , Brian John Smith , Jeffrey Stephen Lundeen , Peter James Mosley , Graciana Puentes , Hendrik Bernd Coldenstrodt-Ronge , Nicholas Lloyd Thomas-Peter , Andrew Philip Worsley
- 申请人: Ian Alexander Walmsley , Brian John Smith , Jeffrey Stephen Lundeen , Peter James Mosley , Graciana Puentes , Hendrik Bernd Coldenstrodt-Ronge , Nicholas Lloyd Thomas-Peter , Andrew Philip Worsley
- 优先权: GB0818643.9 20081010
- 国际申请: PCT/GB09/02441 WO 20091012
- 主分类号: G06F19/00
- IPC分类号: G06F19/00
摘要:
A method of calibrating an optical detector arrangement (38,42) comprises simultaneously generating a plurality of entangled photon pairs, such that one photon from each pair traverses a first path (36-38-42) and the other photon from each pair traverses a second path (36-40-44). The number of photons received along the first path is calculated using the detector arrangement (38,42), while the number of simultaneously-generated photons received along the second path is calculated using a second detector arrangement (40,44). These photon numbers are used to calculated an estimate of the detection efficiency (50) of the first detector arrangement (38,42).
摘要(中):
校准光学检测器装置(38,42)的方法包括同时产生多个纠缠的光子对,使得每一对的一个光子穿过第一路径(36-38-42),并且来自每一对的另一个光子穿过一个 第二路(36-40-44)。 使用检测器装置(38,42)计算沿着第一路径接收的光子的数量,而使用第二检测器装置(40,44)计算沿着第二路径接收的同时生成的光子的数量。 这些光子数用于计算第一检测器装置(38,42)的检测效率(50)的估计。
公开/授权文献:
- US08706437B2 Calibration of particle detectors 公开/授权日:2014-04-22