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1. 发明授权

US07898193B2 Slot resonance coupled standing wave linear particle accelerator 有权
标题翻译：槽谐振耦合驻波线性粒子加速器
公开(公告)号：US07898193B2
公开(公告)日：2011-03-01
申请号：US12152883
申请日：2008-06-04
申请人： Roger H. Miller , Nikolai Barov
发明人： Roger H. Miller , Nikolai Barov
IPC分类号： H05H9/00
CPC分类号： H05H9/04 , H05H7/22
摘要： A slot resonance coupled, linear standing wave particle accelerator. The accelerator includes a series of resonant accelerator cavities positioned along a beam line, which are connected by resonant azimuthal slots formed in interior walls separating adjacent cavities. At least some of the slots are resonant at a frequency comparable to the resonant frequency of the cavities. The resonant slots are offset from the axis of the accelerator and have a major dimension extending in a direction transverse to the radial direction with respect to the accelerator axis. The off-axis resonant slots function to magnetically couple adjacent cavities of the accelerator while also advancing the phase difference between the standing wave in adjacent cavities by 180 degrees in addition to the 180 degree phase difference resulting from coupling of the standing wave in each cavity with the adjacent slot, such that the signals in each cavity are in phase with one another and each cavity functions as a live accelerating cavity. The resonance frequency of the slot is the comparable to the resonance frequency of the cavities, resulting in coupling of the cavities while also eliminating the need for side-cavity or other off-axis coupling cavities.
摘要翻译：一个槽谐振耦合，线性驻波粒子加速器。加速器包括沿着梁线定位的一系列共振加速器腔，其通过形成在分隔相邻空腔的内壁中的共振方位角连接。至少一些槽以与空腔的谐振频率相当的频率谐振。谐振槽从加速器的轴线偏移并且具有相对于加速器轴线在横向于径向方向的方向上延伸的主要尺寸。离轴谐振槽用于磁耦合加速器的相邻腔，同时将相邻空腔中的驻波之间的相位差除了由每个空腔中的驻波耦合产生的180度相位差之外还能够将相位差提前180度，相邻槽，使得每个空腔中的信号彼此同相，并且每个空腔用作活力加速腔。槽的谐振频率与空腔的谐振频率相当，导致空腔的耦合，同时也消除了对侧腔或其它离轴耦合腔的需要。

2. 发明授权

US08232749B1 Dual slot resonance coupling for accelerators 有权
标题翻译：用于加速器的双槽谐振耦合
公开(公告)号：US08232749B1
公开(公告)日：2012-07-31
申请号：US12754496
申请日：2010-04-05
申请人： Nikolai Barov , Roger H Miller
发明人： Nikolai Barov , Roger H Miller
IPC分类号： H01J25/10 , H01J9/00
CPC分类号： H05H7/18 , H05H9/044
摘要： A pair of cavities defined within a hollow elongate accelerator body include a first resonant cavity having a first resonant slot through an outer wall thereof, and a second resonant cavity having a second resonant slot through an outer wall thereof. The first resonant slot and the second resonant slot are separated by a void region that extends between the outer wall of the first cavity and the outer wall of the second cavity and is bounded in part by an inner surface of the hollow elongate member. The first and second cavities are coupled to each other through a dual slot coupling structure that includes the first resonant slot, the void region, and the second resonant slot.
摘要翻译：限定在中空细长加速器本体内的一对空腔包括：第一谐振腔，其具有穿过其外壁的第一谐振槽，以及具有穿过其外壁的第二谐振槽的第二谐振腔。第一谐振槽和第二谐振槽由在第一空腔的外壁和第二空腔的外壁之间延伸并由中空细长构件的内表面部分限定的空隙区域分开。第一和第二空腔通过包括第一谐振槽，空隙区和第二谐振槽的双槽耦合结构相互耦合。

3. 发明申请

US20090302785A1 Slot resonance coupled standing wave linear particle accelerator 有权
标题翻译：槽谐振耦合驻波线性粒子加速器
公开(公告)号：US20090302785A1
公开(公告)日：2009-12-10
申请号：US12152883
申请日：2008-06-04
申请人： Roger H. Miller , Nikolai Barov
发明人： Roger H. Miller , Nikolai Barov
IPC分类号： H05H9/00
CPC分类号： H05H9/04 , H05H7/22
摘要： A slot resonance coupled, linear standing wave particle accelerator. The accelerator includes a series of resonant accelerator cavities positioned along a beam line, which are connected by resonant azimuthal slots formed in interior walls separating adjacent cavities. At least some of the slots are resonant at a frequency comparable to the resonant frequency of the cavities. The resonant slots are offset from the axis of the accelerator and have a major dimension extending in a direction transverse to the radial direction with respect to the accelerator axis. The off-axis resonant slots function to magnetically couple adjacent cavities of the accelerator while also advancing the phase difference between the standing wave in adjacent cavities by 180 degrees in addition to the 180 degree phase difference resulting from coupling of the standing wave in each cavity with the adjacent slot, such that the signals in each cavity are in phase with one another and each cavity functions as a live accelerating cavity. The resonance frequency of the slot is the comparable to the resonance frequency of the cavities, resulting in coupling of the cavities while also eliminating the need for side-cavity or other off-axis coupling cavities.
摘要翻译：一个槽谐振耦合，线性驻波粒子加速器。加速器包括沿着梁线定位的一系列共振加速器腔，其通过形成在分隔相邻空腔的内壁中的共振方位角连接。至少一些槽以与空腔的谐振频率相当的频率谐振。谐振槽从加速器的轴线偏移并且具有相对于加速器轴线在横向于径向方向的方向上延伸的主要尺寸。离轴谐振槽用于磁耦合加速器的相邻腔，同时将相邻空腔中的驻波之间的相位差除了由每个空腔中的驻波耦合产生的180度相位差之外还能够将相位差提前180度，相邻槽，使得每个空腔中的信号彼此同相，并且每个空腔用作活力加速腔。槽的谐振频率与空腔的谐振频率相当，导致空腔的耦合，同时也消除了对侧腔或其它离轴耦合腔的需要。

4. 发明申请

US20070115071A1 DIAGNOSTIC RESONANT CAVITY FOR A CHARGED PARTICLE ACCELERATOR 有权
标题翻译：充电颗粒加速器的诊断谐振腔
公开(公告)号：US20070115071A1
公开(公告)日：2007-05-24
申请号：US11286240
申请日：2005-11-23
申请人： Nikolai Barov
发明人： Nikolai Barov
IPC分类号： H03B9/01
CPC分类号： H05H7/18 , H05H7/22
摘要： Disclosed is a diagnostic resonant cavity for determining characteristics of a charged particle beam, such as an electron beam, produced in a charged particle accelerator. The cavity is based on resonant quadrupole-mode and higher order cavities. Enhanced shunt impedance in such cavities is obtained by the incorporation of a set of four or more electrically conductive rods extending inwardly from either one or both of the end walls of the cavity, so as to form capacitive gaps near the outer radius of the beam tube. For typical diagnostic cavity applications, a five-fold increase in shunt impedance can be obtained. In alternative embodiments the cavity may include either four or more opposing pairs of rods which extend coaxially toward one another from the opposite end walls of the cavity and are spaced from one another to form capacitative gaps; or the cavity may include a single set of individual rods that extend from one end wall to a point adjacent the opposing end wall.
摘要翻译：公开了用于确定在带电粒子加速器中产生的带电粒子束（例如电子束）的特性的诊断谐振腔。空腔基于谐振四极杆模式和高阶腔。通过结合从空腔的一个或两个端壁向内延伸的一组四个或更多个导电棒获得增强的分流阻抗，以便在射束管的外半径附近形成电容性间隙。对于典型的诊断腔应用，可以获得并联阻抗的五倍增加。在替代实施例中，空腔可以包括四个或更多个相对的杆对，这些杆从空腔的相对端壁彼此同轴地延伸并且彼此间隔开以形成电容间隙; 或者腔可以包括从一个端壁延伸到邻近相对端壁的点的单组单独的杆。

5. 发明授权

US07276708B2 Diagnostic resonant cavity for a charged particle accelerator 有权
标题翻译：用于带电粒子加速器的诊断谐振腔
公开(公告)号：US07276708B2
公开(公告)日：2007-10-02
申请号：US11286240
申请日：2005-11-23
申请人： Nikolai Barov
发明人： Nikolai Barov
IPC分类号： G21K1/08
CPC分类号： H05H7/18 , H05H7/22
摘要： Disclosed is a diagnostic resonant cavity for determining characteristics of a charged particle beam, such as an electron beam, produced in a charged particle accelerator. The cavity is based on resonant quadrupole-mode and higher order cavities. Enhanced shunt impedance in such cavities is obtained by the incorporation of a set of four or more electrically conductive rods extending inwardly from either one or both of the end walls of the cavity, so as to form capacitive gaps near the outer radius of the beam tube. For typical diagnostic cavity applications, a five-fold increase in shunt impedance can be obtained. In alternative embodiments the cavity may include either four or more opposing pairs of rods which extend coaxially toward one another from the opposite end walls of the cavity and are spaced from one another to form capacitative gaps; or the cavity may include a single set of individual rods that extend from one end wall to a point adjacent the opposing end wall.
摘要翻译：公开了用于确定在带电粒子加速器中产生的带电粒子束（例如电子束）的特性的诊断谐振腔。空腔基于谐振四极杆模式和高阶腔。通过结合从空腔的一个或两个端壁向内延伸的一组四个或更多个导电棒获得增强的分流阻抗，以便在射束管的外半径附近形成电容性间隙。对于典型的诊断腔应用，可以获得并联阻抗的五倍增加。在替代实施例中，空腔可以包括四个或更多个相对的杆对，这些杆从空腔的相对端壁彼此同轴地延伸并且彼此间隔开以形成电容间隙; 或者腔可以包括从一个端壁延伸到邻近相对端壁的点的单组单独的杆。

6. 发明授权

US08508319B1 Rapidly tunable RF cavity 有权
标题翻译：快速调谐射频腔
公开(公告)号：US08508319B1
公开(公告)日：2013-08-13
申请号：US12617692
申请日：2009-11-12
申请人： David Newsham , Nikolai Barov
发明人： David Newsham , Nikolai Barov
IPC分类号： H01P7/08
CPC分类号： H01P1/30 , H01P7/06
摘要： A rapidly tunable RF cavity includes a cavity body, and at least one ferroelectric element disposed within a hollow interior region of the cavity body. A biasing system provides a nominal DC electric field bias across the ferroelectric element so as to induce a rapid change in dielectric permittivity of the ferroelectric element, and a corresponding change in resonant frequency of the RF cavity. A change in dielectric permittivity of up to about 20% can be induced within a response time of less than 10 nanoseconds, with a biasing field strength of less than 50 kV. In some embodiments, the ferroelectric element is made of BST (barium-strontium titanate). The ferroelectric element may be cylindrically shaped, and coaxial with the cavity body. The biasing system may include one or more copper cylinders supported by supporting rods.
摘要翻译：快速可调的RF空腔包括腔体，以及设置在空腔体的中空内部区域内的至少一个铁电元件。偏置系统提供横跨铁电元件的标称直流电场偏置，以便引起铁电元件的介电常数的快速变化，以及RF空腔的谐振频率的相应变化。在低于10纳秒的响应时间内，可以诱导高达约20％的介电常数的变化，偏置场强小于50kV。在一些实施例中，铁电元件由BST（钛酸锶钡）制成。铁电元件可以是圆柱形的，并且与空腔体同轴。偏置系统可以包括由支撑杆支撑的一个或多个铜圆筒。

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