公开(公告)号：US20120286885A1

公开(公告)日：2012-11-15

申请号：US13555600

申请日：2012-07-23

申请人： Taku AOYAMA ,  Koji CHINDO

发明人： Taku AOYAMA ,  Koji CHINDO

IPC分类号： H03B17/00

CPC分类号： H03L7/26

摘要： A method of controlling an atomic oscillator includes generating a resonant light pair in response to a center frequency signal and a sideband signal, and setting the sideband signal so that an electromagnetically induced transparency (EIT) phenomenon does not occur in a gas cell of the atomic oscillator. The method includes applying the resonant light pair to the gas cell and detecting an intensity level of light transmitted through the gas cell. While the sideband signal is set so that the EIT phenomenon is not occurring, the center frequency signal is varied until a minimum value of the intensity level is identified. A first frequency is calculated by subtracting a predetermined frequency offset from the center frequency at which the intensity level was equal to the minimum value. A center frequency of the resonant light pair is set to the first frequency for operation of the atomic oscillator.

摘要翻译： 控制原子振荡器的方法包括响应于中心频率信号和边带信号产生谐振光对，并且设置边带信号，使得在原子的气体单元中不会发生电磁感应透明度（EIT）现象 振荡器 该方法包括将谐振光对施加到气室并检测透过气室的光的强度水平。 虽然边带信号被设置为使得不发生EIT现象，但是中心频率信号是变化的，直到识别出强度级别的最小值。 通过从强度级别等于最小值的中心频率减去预定的频率偏移来计算第一频率。 谐振光对的中心频率被设定为用于原子振荡器的操作的第一频率。

公开(公告)号：US20090315629A1

公开(公告)日：2009-12-24

申请号：US12486141

申请日：2009-06-17

申请人： Koji CHINDO ,  Taku AOYAMA

发明人： Koji CHINDO ,  Taku AOYAMA

IPC分类号： H01S1/06

CPC分类号： G04F5/145

摘要： An atomic oscillator includes: a gas cell in which a gaseous metal atom is sealed; heating units heating the gas cell to a predetermined temperature and being a first heater and a second heater; a light source of exciting light exciting the metal atom in the gas cell; a light detecting unit detecting the exciting light which has passed through the gas cell; a substrate including at least a temperature controlling circuit for the heating units; a first heater wiring coupling the first heater and the substrate; a second heater wiring coupling the second heater and the substrate; and a third heater wiring coupling the first heater and the second heater. In the atomic oscillator, the gas cell includes a cylindrical portion; and windows which respectively seal openings at both ends of the cylindrical portion and constitute an incident surface and an emitting surface on an optical path of the exciting light. The first heater and the second heater are respectively formed on the windows at an incident surface side and an emitting surface side and made of transparent heating materials.

摘要翻译： 原子振荡器包括：密封有气态金属原子的气室; 加热单元将气室加热到预定温度，并且是第一加热器和第二加热器; 刺激气体中金属原子的激发光的光源; 检测已经通过所述气室的激发光的光检测单元; 至少包括用于所述加热单元的温度控制电路的基板; 耦合所述第一加热器和所述基板的第一加热器布线; 联接第二加热器和基板的第二加热器布线; 以及联接第一加热器和第二加热器的第三加热器布线。 在原子振荡器中，气室包括圆筒部分; 以及分别在圆筒部的两端密封开口并构成激励光的光路上的入射面和发光面的窗。 第一加热器和第二加热器分别在入口表面侧和发射表面侧的窗口上形成，并由透明加热材料制成。

公开(公告)号：US20120062327A1

公开(公告)日：2012-03-15

申请号：US13277753

申请日：2011-10-20

申请人： Koji CHINDO ,  Taku AOYAMA

发明人： Koji CHINDO ,  Taku AOYAMA

IPC分类号： H01S1/06

CPC分类号： G04F5/145

摘要： An atomic oscillator includes: a gas cell in which a gaseous metal atom is sealed; heating units heating the gas cell to a predetermined temperature and being a first heater and a second heater; a light source of exciting light exciting the metal atom in the gas cell; a light detecting unit detecting the exciting light which has passed through the gas cell; a substrate including at least a temperature controlling circuit for the heating units; a first heater wiring coupling the first heater and the substrate; a second heater wiring coupling the second heater and the substrate; and a third heater wiring coupling the first heater and the second heater.

摘要翻译： 原子振荡器包括：密封有气态金属原子的气室; 加热单元将气室加热到预定温度，并且是第一加热器和第二加热器; 刺激气体中金属原子的激发光的光源; 检测已经通过所述气室的激发光的光检测单元; 至少包括用于所述加热单元的温度控制电路的基板; 耦合所述第一加热器和所述基板的第一加热器布线; 联接第二加热器和基板的第二加热器布线; 以及联接第一加热器和第二加热器的第三加热器布线。

公开(公告)号：US20110063037A1

公开(公告)日：2011-03-17

申请号：US12876485

申请日：2010-09-07

申请人： Taku AOYAMA ,  Koji CHINDO

发明人： Taku AOYAMA ,  Koji CHINDO

IPC分类号： H03L7/26

CPC分类号： H03L7/26

摘要： An atomic oscillator includes: a gaseous alkali metal atom; a light source to generate a resonant light pair for generating an electromagnetically induced transparency phenomenon in the alkali metal atom; a high frequency generation unit that supplies a high frequency signal to the light source and generates the resonant light pair; a center frequency variable unit that supplies a direct current signal to the light source and varies a center frequency of the resonant light pair; a light detection unit that detects the resonant light pair transmitted through the alkali metal atom and outputs a detection signal corresponding to intensity of the transmitted resonant light pair; an absorption detection unit that detects a minimum value of the detection signal when the center frequency of the resonant light pair is varied; and a signal processing unit that controls supply or stop of the high frequency signal outputted from the high frequency generation unit, wherein the signal processing unit compares the minimum value detected by the absorption detection unit with the detection signal in a state where output of the high frequency signal is stopped, controls the center frequency variable unit to cause the detection signal to become larger than the minimum value by a specified value, and sets the center frequency of the resonant light pair, and the set center frequency is set to be lower than the center frequency of the resonant light pair corresponding to the minimum value.

摘要翻译： 原子振荡器包括：气态碱金属原子; 产生用于在碱金属原子中产生电磁感应透明现象的共振光对的光源; 高频产生单元，其向所述光源提供高频信号并产生所述谐振光对; 中心频率可变单元，其向所述光源提供直流信号并改变所述谐振光对的中心频率; 光检测单元，其检测透过碱金属原子的共振光对，并输出与发射的谐振光对的强度对应的检测信号; 吸收检测单元，其在谐振光对的中心频率变化时检测检测信号的最小值; 以及信号处理单元，其控制从高频产生单元输出的高频信号的供给或停止，其中，所述信号处理单元将所述吸收检测单元检测出的最小值与所述检测信号进行比较， 频率信号停止，控制中心频率可变单元使检测信号变得比最小值大一个指定值，并设置谐振光对的中心频率，并将设定的中心频率设置为低于 谐振光对的中心频率对应于最小值。

公开(公告)号：US20120319785A1

公开(公告)日：2012-12-20

申请号：US13601202

申请日：2012-08-31

申请人： Taku AOYAMA ,  Koji CHINDO

发明人： Taku AOYAMA ,  Koji CHINDO

IPC分类号： H01S1/06

CPC分类号： G04F5/145 ,  H01S5/0687 ,  H03L7/26

摘要： A quantum interference device causing electromagnetically induced transparency in an alkali metal atom includes: a light source generating first and second resonant lights with frequency differences Δω; a magnetic field generator applying a magnetic field to the atom; a light detector detecting intensities of the first and second resonant lights passing through the atom; and a controller causing a frequency difference between specified first and second resonant lights to equal a frequency difference corresponding to an energy difference between two ground levels of the atom based on the detected light. The controller causes the frequency Δω or magnetic field intensity to satisfy 2×δ×n=Δω or Δω×n=2×δ. The frequency δ corresponds to an energy difference between two Zeeman split levels differentiated by one magnetic quantum number and generated in the two ground levels of the atom by energy splitting.

摘要翻译： 在碱金属原子中产生电磁感应透明度的量子干涉装置包括：产生频率差为Dgr;ω的第一和第二谐振光的光源; 对该原子施加磁场的磁场发生器; 检测通过原子的第一和第二谐振光的强度的光检测器; 以及控制器，其使得指定的第一和第二谐振光之间的频率差基于所检测到的光来等于对应于原子的两个地平面之间的能量差的频率差。 控制器使频率＆Dgr;ω或磁场强度满足2×δ×n =＆Dgr;ω或＆Dgr;ω×n = 2×δ。 频率δ对应于通过一个磁量子数量区分的两个塞曼分离电平之间的能量差，并且通过能量分裂在原子的两个地层中产生。

公开(公告)号：US20120267509A1

公开(公告)日：2012-10-25

申请号：US13541147

申请日：2012-07-03

申请人： Taku AOYAMA ,  Koji CHINDO

发明人： Taku AOYAMA ,  Koji CHINDO

IPC分类号： G01J1/44 ,  B82Y20/00

CPC分类号： G02F1/0126 ,  G02F1/01 ,  H01S5/0085 ,  H01S5/0427 ,  H01S5/06832 ,  H01S5/0687 ,  H03L7/26

摘要： A quantum interference device includes: gaseous alkali metal atoms; and a light source for causing a resonant light pair having different frequencies that keep a frequency difference equivalent to an energy difference between two ground states of the alkali metal atoms, the quantum interference device causing the alkali metal atoms and the resonant light pair to interact each other to cause an electromagnetically induced transparency phenomenon (EIT), wherein there are a plurality of the resonant light pairs, and center frequencies of the respective resonant light pairs are different from one another.

公开(公告)号：US20110260801A1

公开(公告)日：2011-10-27

申请号：US13178086

申请日：2011-07-07

申请人： Koji CHINDO ,  Taku AOYAMA

发明人： Koji CHINDO ,  Taku AOYAMA

IPC分类号： H01S1/06

CPC分类号： H03L7/26 ,  G04F5/145

摘要： A physical section of an atomic oscillator includes: a gas cell in which gaseous metal atoms are sealed, and the gas cell includes a first window having optical transparency; a light source that emits excitation light toward the metal atoms through the first window; a first heating unit that disposes at the first window and that is located between the first window and the light source; and a Peltier element that is stacked on the first heating unit, that is located between the first heating unit and the light source, and that decreases a temperature of a side of the Peltier element facing the light source than a temperature of an opposite side of the Peltier element facing the gas cell.

摘要翻译： 原子振荡器的物理部分包括：气体金属原子被密封的气室，气室包括具有光学透明度的第一窗口; 通过第一窗口向金属原子发射激发光的光源; 第一加热单元，其处于第一窗口并且位于第一窗口和光源之间; 以及堆叠在位于第一加热单元和光源之间的第一加热单元上并且降低珀尔帖元件面对光源的一侧的温度的珀尔帖元件的温度低于相对侧的温度 帕尔贴元件面对气室。

公开(公告)号：US20110057737A1

公开(公告)日：2011-03-10

申请号：US12872012

申请日：2010-08-31

申请人： Taku AOYAMA ,  Koji CHINDO

发明人： Taku AOYAMA ,  Koji CHINDO

IPC分类号： H01S1/06

CPC分类号： G04F5/145 ,  H01S5/0687 ,  H03L7/26

摘要： A quantum interference device for causing an electromagnetically induced transparency phenomenon to occur in an alkali metal atom by a resonant light pair including a first resonant light and a second resonant light, includes: a light source to generate a plurality of the first resonant lights different from each other in frequency by Δω and a plurality of the second resonant lights different from each other in frequency by Δω; a magnetic field generation unit that applies a magnetic field to the alkali metal atom; a light detection unit that detects intensities of lights including the first resonant lights and the second resonant lights passing through the alkali metal atom; and a control unit that controls to cause a frequency difference between the specified first resonant light and the specified second resonant light to become equal to a frequency difference corresponding to an energy difference between two ground levels of the alkali metal atom based on a detection result of the light detection unit, wherein the control unit controls at least one of the frequency Δω and intensity of the magnetic field generated by the magnetic field generation unit to satisfy at least one of 2×δ×n=Δω and Δω×n=2×δ (n is a positive integer) with respect to a frequency δ corresponding to an energy difference between two Zeeman split levels different from each other in magnetic quantum number by one among a plurality of Zeeman split levels generated in each of the two ground levels of the alkali metal atom by energy splitting due to the magnetic field.

摘要翻译： 一种用于通过包括第一谐振光和第二谐振光的共振光对在碱金属原子中引起电磁感应透明度现象的量子干涉装置包括：产生多个不同于 ω和频率乘以＆Dgr;ω和多个第二共振光在频率上彼此不同＆Dgr;ω; 对该碱金属原子施加磁场的磁场产生部; 光检测单元，其检测包括第一谐振光和通过碱金属原子的第二谐振光的光的强度; 以及控制单元，其控制使得所指定的第一谐振光和所述第二共振光之间的频率差基于所述碱金属原子的两个接地电平之间的能量差等于基于所述碱金属原子的检测结果的能量差的频率差 光检测单元，其中所述控制单元控制由所述磁场产生单元产生的所述磁场的频率＆Dgr;ω和强度中的至少一个以满足2×δ×n =＆Dgr;ω和＆Dgr中的至少一个; ω×n = 2×δ（n是正整数）相对于在每个中产生的多个塞曼分割电平之间的磁量子数彼此不同的两个塞曼分割电平之间的能量差的频率δ 的碱金属原子的两个地面水平由于磁场而能量分裂。

公开(公告)号：US20100102893A1

公开(公告)日：2010-04-29

申请号：US12607298

申请日：2009-10-28

申请人： Koji CHINDO ,  Taku AOYAMA

发明人： Koji CHINDO ,  Taku AOYAMA

IPC分类号： H01S1/06

CPC分类号： H03L7/26 ,  G04F5/145

摘要： A physical section of an atomic oscillator includes at least: a gas cell including a cylindrical portion and first and second windows respectively hermetically-closing openings of both sides of the cylindrical portion to form a cavity in which gaseous metal atoms are sealed; a light reflection unit disposed on the first window; a first heating unit disposed to be closely attached to the second window and heating the gas cell at a predetermined temperature; a light source disposed so as to allow a light emitting part thereof to face the light reflecting unit, emitting excitation light exciting the metal atoms in the gas cell, and provided on a side, which is a reverse side to a side to which the gas cell is provided, of the first heating unit; a light detection unit detecting the excitation light reflected by the light reflection unit and provided also on a side, which is a reverse side to a side to which the gas cell is provided, of the first heating unit; and a Peltier element interposed between the light source and the first heating unit, and between the light detection unit and the first heating unit.

摘要翻译： 原子振荡器的物理部分至少包括：包括圆筒部分和第一和第二窗口的气室，分别气密地关闭圆筒部分的两侧的开口，以形成其中气态金属原子被密封的空腔; 设置在第一窗口上的光反射单元; 第一加热单元设置成紧密附接到第二窗口并且在预定温度下加热气室; 光源，其设置成使其发光部分面向光反射单元，发射激发气体池中的金属原子的激发光，并且设置在与气体侧相反侧的一侧 提供第一加热单元的单元; 光检测单元，检测由所述光反射单元反射的激发光，并且还设置在所述第一加热单元的与设置有所述气室的一侧相反的一侧; 以及插入在所述光源和所述第一加热单元之间以及所述光检测单元和所述第一加热单元之间的珀耳帖元件。

公开(公告)号：US20120168604A1

公开(公告)日：2012-07-05

申请号：US13419789

申请日：2012-03-14

申请人： Taku AOYAMA ,  Koji CHINDO

发明人： Taku AOYAMA ,  Koji CHINDO

IPC分类号： G01J1/44

CPC分类号： G02F1/0126 ,  G02F1/01 ,  H01S5/0085 ,  H01S5/0427 ,  H01S5/06832 ,  H01S5/0687 ,  H03L7/26

摘要： A quantum interference device includes: gaseous alkali metal atoms; and a light source for causing a resonant light pair having different frequencies that keep a frequency difference equivalent to an energy difference between two ground states of the alkali metal atoms, the quantum interference device causing the alkali metal atoms and the resonant light pair to interact each other to cause an electromagnetically induced transparency phenomenon (EIT), wherein there are a plurality of the resonant light pairs, and center frequencies of the respective resonant light pairs are different from one another.

摘要翻译： 量子干涉装置包括：气态碱金属原子; 以及用于使具有不同频率的谐振光对的光源，其保持频率差等于碱金属原子的两个基态之间的能量差，引起碱金属原子和谐振光对的量子干涉装置与每个 另外产生电磁感应透明现象（EIT），其中存在多个谐振光对，并且各谐振光对的中心频率彼此不同。