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    • 2. 发明申请
    • PHASED ARRAY SOURCE OF ELECTROMAGNETIC RADIATION
    • 电磁辐射的相位阵列源
    • WO2003046941A1
    • 2003-06-05
    • PCT/US2002/026689
    • 2002-08-22
    • RAYTHEON COMPANY
    • SMALL, James, G.
    • H01J25/54
    • H01J25/54H01J2225/55H01J2225/56
    • An electromagnetic radiation source (22) is provided which includes an anode (42) and a cathode (40) separated by an anode-cathode space (44). The source (22) further includes electrical contacts (54, 56) for applying a dc voltage between the anode (42) and the cathode (40) and establishing an electric field (E) across the anode-cathode space (44). At least one magnet (58, 60) is arranged to provide a dc magnetic field (B) within the anode-cathode space (44) generally normal to the electric field (E). A plurality of openings (59a, 59b) are formed along a surface of the anode (42) which defines the anode-cathode space (44), whereby electrons emitted from the cathode (40) are influenced by the electric (E) and magnetic (B) fields to follow a path through the anode-cathode space (44) and pass in close proximity to the openings (59a, 59b). A common resonator (66) receives electromagnetic radiation induced in the openings (59a, 59b) as a result of the electrons passing in close proximity to the openings (59a, 59b), and reflects the electromagnetic radiation back towards the openings (59a, 59b) to produce oscillating electric fields across each of the openings at a desired operating frequency.
    • 提供了一种电磁辐射源(22),其包括由阳极 - 阴极空间(44)分隔开的阳极(42)和阴极(40)。 源极(22)还包括用于在阳极(42)和阴极(40)之间施加直流电压并且在阳极 - 阴极空间(44)之间建立电场(E)的电触点(54,56)。 至少一个磁体(58,60)布置成在阳极 - 阴极空间(44)内大致垂直于电场(E)提供直流磁场(B)。 沿着限定阳极 - 阴极空间(44)的阳极(42)的表面形成多个开口(59a,59b),由阴极(40)发射的电子受电(E)和磁 (B)场沿着通过阳极 - 阴极空间(44)的路径并靠近开口(59a,59b)通过。 公共谐振器(66)由于电子靠近开口(59a,59b)通过,接收在开口(59a,59b)中感应的电磁辐射,并将电磁辐射反射回开口(59a,59b) )以期望的工作频率产生穿过每个开口的振荡电场。
    • 3. 发明公开
    • PHASED ARRAY SOURCE OF ELECTROMAGNETIC RADIATION
    • 相可控源电磁辐射
    • EP1449229A1
    • 2004-08-25
    • EP02763497.1
    • 2002-08-22
    • Raytheon Company
    • SMALL, James, G.
    • H01J25/54
    • H01J25/54H01J2225/55H01J2225/56
    • An electromagnetic radiation source (22) is provided which includes an anode (42) and a cathode (40) separated by an anode-cathode space (44). The source (22) further includes electrical contacts (54, 56) for applying a dc voltage between the anode (42) and the cathode (40) and establishing an electric field (E) across the anode-cathode space (44). At least one magnet (58, 60) is arranged to provide a dc magnetic field (B) within the anode-cathode space (44) generally normal to the electric field (E). A plurality of openings (59a, 59b) are formed along a surface of the anode (42) which defines the anode-cathode space (44), whereby electrons emitted from the cathode (40) are influenced by the electric (E) and magnetic (B) fields to follow a path through the anode-cathode space (44) and pass in close proximity to the openings (59a, 59b). A common resonator (66) receives electromagnetic radiation induced in the openings (59a, 59b) as a result of the electrons passing in close proximity to the openings (59a, 59b), and reflects the electromagnetic radiation back towards the openings (59a, 59b) to produce oscillating electric fields across each of the openings at a desired operating frequency.
    • 5. 发明申请
    • Phased array source of electromagnetic radiation
    • 相控阵电磁辐射源
    • US20030205960A1
    • 2003-11-06
    • US09995361
    • 2001-11-27
    • James G. Small
    • H01J021/00
    • H01J25/54H01J2225/55H01J2225/56
    • An electromagnetic radiation source is provided which includes an anode and a cathode separated by an anode-cathode space. The source further includes electrical contacts for applying a dc voltage between the anode and the cathode and establishing an electric field across the anode-cathode space. At least one magnet is arranged to provide a dc magnetic field within the anode-cathode space generally normal to the electric field. A plurality of openings are formed along a surface of the anode which defines the anode-cathode space, whereby electrons emitted from the cathode are influenced by the electric and magnetic fields to follow a path through the anode-cathode space and pass in close proximity to the openings. A common resonator receives electromagnetic radiation induced in the openings as a result of the electrons passing in close proximity to the openings, and reflects the electromagnetic radiation back towards the openings to produce oscillating electric fields across each of the openings at a desired operating frequency.
    • 提供了一种电磁辐射源,其包括由阳极 - 阴极空间分隔开的阳极和阴极。 该源还包括用于在阳极和阴极之间施加直流电压并且在阳极 - 阴极空间之间建立电场的电触头。 至少一个磁体被布置成在通常垂直于电场的阳极 - 阴极空间内提供直流磁场。 沿着阳极的表面形成多个开口,该开口限定了阳极 - 阴极空间,由阴极发射的电子受到电场和磁场的影响,沿着穿过阳极 - 阴极空间的路径通过, 开口。 共同的谐振器由于电子通过开口附近而接收在开口中感应的电磁辐射,并将电磁辐射反射回开口,以期望的工作频率产生穿过每个开口的振荡电场。