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1. 发明授权

US07802928B2 System and method for fiber based resonator coupling 有权
标题翻译：基于光纤的谐振器耦合的系统和方法
公开(公告)号：US07802928B2
公开(公告)日：2010-09-28
申请号：US11969822
申请日：2008-01-04
申请人： Jennifer S. Strabley , Glen A. Sanders , James F. Detry , Paul Eugene Bauhahn
发明人： Jennifer S. Strabley , Glen A. Sanders , James F. Detry , Paul Eugene Bauhahn
IPC分类号： G02B6/26 , G02B6/36
CPC分类号： G01C19/727 , G02B6/264 , G02B6/3636 , G02B6/3652 , G02B6/3692 , G02B6/4204 , G02B6/4214 , G02B6/423
摘要： A fiber optic alignment device on a crystalline substrate support is disclosed. An exemplary embodiment embodied in a resonator fiber optic gyro is fabricated by a process of forming a crystalline substrate support structure operable to support the first end portion of the optical fiber and the second end portion of the optical fiber; forming a first end V-groove portion and a second end V-groove portion in the support structure; physically coupling the first end portion of the optical fiber to the first end V-groove portion; and physically coupling the second end portion of the optical fiber to the second end V-groove portion.
摘要翻译：公开了一种在晶体衬底支架上的光纤对准装置。通过形成可操作以支撑光纤的第一端部分和光纤的第二端部的结晶衬底支撑结构的工艺来制造体现在谐振器光纤陀螺仪中的示例性实施例; 在支撑结构中形成第一端V形槽部分和第二端V形槽部分; 将光纤的第一端部物理耦合到第一端V形槽部分; 并将光纤的第二端部物理耦合到第二端V形槽部分。

2. 发明申请

US20090175578A1 SYSTEM AND METHOD FOR FIBER BASED RESONATOR COUPLING 有权
标题翻译：用于基于光纤的谐振器耦合的系统和方法
公开(公告)号：US20090175578A1
公开(公告)日：2009-07-09
申请号：US11969822
申请日：2008-01-04
申请人： Jennifer S. Strabley , Glen A. Sanders , James F. Detry , Paul Eugene Bauhahn
发明人： Jennifer S. Strabley , Glen A. Sanders , James F. Detry , Paul Eugene Bauhahn
IPC分类号： G02B6/42
CPC分类号： G01C19/727 , G02B6/264 , G02B6/3636 , G02B6/3652 , G02B6/3692 , G02B6/4204 , G02B6/4214 , G02B6/423
摘要： A fiber optic alignment device on a crystalline substrate support is disclosed. An exemplary embodiment embodied in a resonator fiber optic gyro is fabricated by a process of forming a crystalline substrate support structure operable to support the first end portion of the optical fiber and the second end portion of the optical fiber; forming a first end V-groove portion and a second end V-groove portion in the support structure; physically coupling the first end portion of the optical fiber to the first end V-groove portion; and physically coupling the second end portion of the optical fiber to the second end V-groove portion.
摘要翻译：公开了一种在晶体衬底支架上的光纤对准装置。通过形成可操作以支撑光纤的第一端部分和光纤的第二端部的结晶衬底支撑结构的工艺来制造体现在谐振器光纤陀螺仪中的示例性实施例; 在支撑结构中形成第一端V形槽部分和第二端V形槽部分; 将光纤的第一端部物理耦合到第一端V形槽部分; 并将光纤的第二端部物理耦合到第二端V形槽部分。

3. 发明授权

US08736845B2 Frequency stabilized laser system 有权
标题翻译：频率稳定的激光系统
公开(公告)号：US08736845B2
公开(公告)日：2014-05-27
申请号：US13457929
申请日：2012-04-27
申请人： Jianfeng Wu , Jennifer S. Strabley , Tiequn Qiu , Glen A. Sanders
发明人： Jianfeng Wu , Jennifer S. Strabley , Tiequn Qiu , Glen A. Sanders
IPC分类号： G01C19/72 , G01B11/16
CPC分类号： H01S5/06258 , G03F7/70525 , H01S5/0687
摘要： A laser stabilization system includes laser source having first and second ends; first waveguide portion having first and second ends, first end of first waveguide portion coupled to first end of laser source; second waveguide portion having first and second ends, first end of second waveguide portion coupled to second end of laser source; micro-cavity coupled between second end of first waveguide portion and second end of second waveguide portion, micro-cavity having resonant frequency; and electronic locking loop coupled between micro-cavity and laser source, wherein electronic locking loop electronically locks laser source to resonant frequency of micro-cavity; wherein first waveguide portion is optical locking loop coupled between micro-cavity and laser source, wherein optical locking loop optically locks laser source to resonant frequency of micro-cavity; micro-cavity stabilization loop coupled with micro-cavity, wherein micro-cavity stabilization loop stabilizes resonant frequency of micro-cavity to reference frequency; and output for outputting light from system.
摘要翻译：激光稳定系统包括具有第一和第二端的激光源; 第一波导部分具有第一和第二端，第一波导部分的第一端耦合到激光源的第一端; 第二波导部分具有第一和第二端，第二波导部分的第一端耦合到激光源的第二端; 耦合在第一波导部分的第二端和第二波导部分的第二端之间的微腔，具有谐振频率的微腔; 和耦合在微腔和激光源之间的电子锁定环，其中电子锁定环将激光源电子地锁定到微腔的共振频率; 其中第一波导部分是耦合在微腔和激光源之间的光学锁定环，其中光学锁定环将激光源光学锁定到微腔的共振频率; 微腔稳定环与微腔耦合，其中微腔稳定环路将微腔的谐振频率稳定到参考频率; 并输出用于从系统输出光。

4. 发明申请

US20120300198A1 FREQUENCY STABILIZED LASER SYSTEM 有权
标题翻译：频率稳定激光系统
公开(公告)号：US20120300198A1
公开(公告)日：2012-11-29
申请号：US13457929
申请日：2012-04-27
申请人： Jianfeng Wu , Jennifer S. Strabley , Tiequn Qiu , Glen A. Sanders
发明人： Jianfeng Wu , Jennifer S. Strabley , Tiequn Qiu , Glen A. Sanders
IPC分类号： G01C1/10 , H01S3/13
CPC分类号： H01S5/06258 , G03F7/70525 , H01S5/0687
摘要： A laser stabilization system includes laser source having first and second ends; first waveguide portion having first and second ends, first end of first waveguide portion coupled to first end of laser source; second waveguide portion having first and second ends, first end of second waveguide portion coupled to second end of laser source; micro-cavity coupled between second end of first waveguide portion and second end of second waveguide portion, micro-cavity having resonant frequency; and electronic locking loop coupled between micro-cavity and laser source, wherein electronic locking loop electronically locks laser source to resonant frequency of micro-cavity; wherein first waveguide portion is optical locking loop coupled between micro-cavity and laser source, wherein optical locking loop optically locks laser source to resonant frequency of micro-cavity; micro-cavity stabilization loop coupled with micro-cavity, wherein micro-cavity stabilization loop stabilizes resonant frequency of micro-cavity to reference frequency; and output for outputting light from system.
摘要翻译：激光稳定系统包括具有第一和第二端的激光源; 第一波导部分具有第一和第二端，第一波导部分的第一端耦合到激光源的第一端; 第二波导部分具有第一和第二端，第二波导部分的第一端耦合到激光源的第二端; 耦合在第一波导部分的第二端和第二波导部分的第二端之间的微腔，具有谐振频率的微腔; 和耦合在微腔和激光源之间的电子锁定环，其中电子锁定环将激光源电子地锁定到微腔的共振频率; 其中第一波导部分是耦合在微腔和激光源之间的光学锁定环，其中光学锁定环将激光源光学锁定到微腔的共振频率; 微腔稳定环与微腔耦合，其中微腔稳定环路将微腔的谐振频率稳定到参考频率; 并输出用于从系统输出光。

5. 发明授权

US08908187B2 System and method for reducing errors in a resonator fiber optic gyroscope 有权
标题翻译：用于减少谐振器光纤陀螺仪中的误差的系统和方法
公开(公告)号：US08908187B2
公开(公告)日：2014-12-09
申请号：US13287422
申请日：2011-11-02
申请人： Lee K. Strandjord , Tiequn Qiu , Glen A. Sanders
发明人： Lee K. Strandjord , Tiequn Qiu , Glen A. Sanders
IPC分类号： G01C19/64 , G01C19/72
CPC分类号： G01C19/727 , G01C19/722
摘要： An exemplary resonator fiber optic gyroscope comprises a resonator having an optical fiber loop; a light source configured to generate a light beam; and an intensity modulation circuit coupled between the light source and the resonator. The intensity modulation circuit is configured to modulate the intensity of the light beam from the light source to output an intensity modulated signal to the resonator. The intensity modulation circuit is configured to produce the intensity modulated signal such that harmonics of the intensity modulated signal which overlap a primary wave of a counter-propagating light beam in the resonator have an amplitude below a predetermined threshold. Amplitudes below the predetermined threshold are negligible.
摘要翻译：一种示例性的谐振器光纤陀螺仪包括具有光纤回路的谐振器; 被配置为产生光束的光源; 以及耦合在光源和谐振器之间的强度调制电路。强度调制电路被配置为调制来自光源的光束的强度，以将强度调制信号输出到谐振器。强度调制电路被配置为产生强度调制信号，使得与谐振器中的相反传播光束的主波重叠的强度调制信号的谐波具有低于预定阈值的幅度。低于预定阈值的幅度可以忽略不计。

6. 发明授权

US07855789B2 RFOG modulation error correction 有权
标题翻译： RFOG调制纠错
公开(公告)号：US07855789B2
公开(公告)日：2010-12-21
申请号：US12167056
申请日：2008-07-02
申请人： Lee K. Strandjord , Glen A. Sanders
发明人： Lee K. Strandjord , Glen A. Sanders
IPC分类号： G01C19/72
CPC分类号： G01C19/727
摘要： Systems and methods for performing modulation error correction. An example system applies common phase/frequency modulation to first and second laser beams, a first intensity modulation to the first modulated beam, and a second intensity modulation to the second modulated beam. Signals outputted are demodulated according to the frequency of the common phase/frequency modulation. Then the first of these demodulated signals is demodulated based on the frequency of the intensity modulation of the first beam, and the second of these demodulated signals is demodulated based on the frequency of the intensity modulation of the second beam. Then, rate of rotation is determined based on demodulated signals. Frequencies of the intensity modulations are unequal and not harmonically related, and intensity modulation encodes each light beam with a unique signature.
摘要翻译：用于执行调制误差校正的系统和方法。示例性系统将共同相位/频率调制应用于第一和第二激光束，对第一调制光束进行第一强度调制，以及对第二调制光束进行第二强度调制。输出的信号根据共同相位/频率调制的频率进行解调。然后，基于第一光束的强度调制的频率对这些解调信号中的第一个进行解调，并且基于第二光束的强度调制的频率对这些解调信号中的第二个进行解调。然后，基于解调信号确定旋转速率。强度调制的频率是不相等的，而不是谐波相关的，强度调制对每个光束进行独特的签名编码。

7. 发明授权

US07844152B2 Kerr effect compensated optical ring resonator 有权
标题翻译：克尔效应补偿光环谐振器
公开(公告)号：US07844152B2
公开(公告)日：2010-11-30
申请号：US12167219
申请日：2008-07-02
申请人： Glen A. Sanders
发明人： Glen A. Sanders
IPC分类号： G02B6/00 , H01S3/08 , G02F1/01 , G01C19/64
CPC分类号： G01C19/727 , G02F1/3544 , G02F1/37 , G02F2203/15
摘要： Systems and methods for compensating for nonlinear phase shift accumulation in an optical ring resonator. An example method includes sending a first beam in a clockwise direction around the optical ring resonator and sending a second beam in a counterclockwise direction around the optical ring resonator. Then, nonlinear phase shift accumulation of the first and second beams is compensated for within the optical ring resonator. Compensating includes creating a negative Kerr effect phase shift for each beam based on an estimate of accumulated positive Kerr effect.
摘要翻译：用于补偿光环谐振器中的非线性相移累积的系统和方法。示例性方法包括围绕光环谐振器沿顺时针方向发送第一光束，并沿光环谐振器周围的逆时针方向发送第二光束。然后，在光环谐振器内补偿第一和第二波束的非线性相移累积。补偿包括基于积累的正克尔效应的估计为每个波束产生负的克尔效应相移。

8. 发明申请

US20100253948A1 SYSTEMS AND METHODS FOR RESONATOR FIBER OPTIC GYROSCOPE INTENSITY MODULATION CONTROL 有权
标题翻译：谐振光纤陀螺强度调制控制系统与方法
公开(公告)号：US20100253948A1
公开(公告)日：2010-10-07
申请号：US12729660
申请日：2010-03-23
申请人： Lee K. Strandjord , Glen A. Sanders , Norman Gerard Tarleton
发明人： Lee K. Strandjord , Glen A. Sanders , Norman Gerard Tarleton
IPC分类号： G01C19/72
CPC分类号： G01C19/727
摘要： Systems and methods for improved resonator fiber optic gyroscope intensity modulation control are provided. In one embodiment, a resonant fiber optic gyroscope (RFOG) having a residual intensity modulation (RIM) controller comprises: an intensity modulator optically coupled to receive a light beam from a laser source modulated at a resonance detection modulation frequency; an optical tap device optically coupled to the intensity modulator; and a feedback servo coupled to the optical tap device and the intensity modulator, the demodulating feedback servo generating a sinusoidal feedback signal to the intensity modulator. The feedback servo adjusts an amplitude and phase of the sinusoidal feedback signal provided to intensity modulator based on a residual intensity modulation detected by the demodulating feedback servo.
摘要翻译：提供了改进谐振器光纤陀螺仪强度调制控制的系统和方法。在一个实施例中，具有残余强度调制（RIM）控制器的谐振光纤陀螺仪（RFOG）包括：光耦合的光强调制器，用于接收来自以谐振检测调制频率调制的激光源的光束; 与所述强度调制器光耦合的光学抽头装置; 以及耦合到光学抽头装置和强度调制器的反馈伺服器，解调反馈伺服器向强度调制器产生正弦反馈信号。基于由解调反馈伺服检测到的残余强度调制，反馈伺服调节提供给强度调制器的正弦反馈信号的幅度和相位。

9. 发明申请

US20100033729A1 BIAS-INSTABILITY REDUCTION IN FIBER OPTIC GYROSCOPES 失效
标题翻译：光纤陀螺中的偏置不稳定性降低
公开(公告)号：US20100033729A1
公开(公告)日：2010-02-11
申请号：US12187932
申请日：2008-08-07
申请人： Tiequn Qiu , Steven J. Sanders , Sorin Mosor , Glen A. Sanders
发明人： Tiequn Qiu , Steven J. Sanders , Sorin Mosor , Glen A. Sanders
IPC分类号： G01C19/72 , G06G7/48
CPC分类号： G01C19/64
摘要： A computer-implementable method of reducing bias instability in a fiber optic gyroscope includes receiving, with a computer, a first data set enabling the computer to generate a model of the gyroscope, including a light source, a photodetector, and a plurality of optical components and fiber sections coupling the light source to the photodetector, and a light signal to be propagated from the light source to the photodetector. The light signal has an associated wavelength spectrum. For each wavelength of the spectrum, the relative lightwave intensity reaching the photodetector is calculated. A signal-wave intensity and a spurious-wave intensity are determined from the calculated relative lightwave intensities. A scale factor is determined from the signal-wave intensity. The spurious-wave intensity is integrated over the wavelength spectrum of the light source to obtain a total spurious-wave intensity. A rate bias error is determined based on the total spurious-wave intensity and the scale factor.
摘要翻译：一种降低光纤陀螺仪中的偏压不稳定性的计算机可实现的方法包括：利用计算机接收第一数据组，使得该计算机能够生成陀螺仪的模型，该模型包括光源，光电检测器和多个光学部件以及将光源耦合到光电检测器的光纤部分，以及从光源传播到光电检测器的光信号。光信号具有相关的波长谱。对于光谱的每个波长，计算到达光电检测器的相对光波强度。从计算的相对光波强度确定信号波强度和寄生波强度。从信号波强度确定比例因子。寄生波强度集成在光源的波长光谱上，以获得总的杂散波强度。基于总杂散波强度和比例因子确定速率偏差误差。

10. 发明授权

US07522284B2 Optical resonator gyro and method for reducing resonance asymmetry errors 有权
标题翻译：光谐振陀螺和减少谐振不对称误差的方法
公开(公告)号：US07522284B2
公开(公告)日：2009-04-21
申请号：US11540771
申请日：2006-09-29
申请人： Glen A. Sanders , Lee K. Strandjord , Tiequn Qiu
发明人： Glen A. Sanders , Lee K. Strandjord , Tiequn Qiu
IPC分类号： G01C19/72
CPC分类号： G01C19/727
摘要： Methods and apparatus are provided for attenuating rotation rate errors in a resonator gyro. The gyro includes a ring resonator having a hollow core optical fiber coil and optical elements that are selected and/or oriented to reduce stray light that may be present in input light beams introduced to the ring resonator. The resonator has a predetermined mode. One of the optical elements partially transmits a portion of the input light beam to a first end of the fiber coil while partially transmitting a portion of the input light beam to a filter. Light having the predetermined mode is accepted into the first end of the fiber coil, and the filter accepts light of the input light beam having a corresponding mode. Transmission components of the circulating light beams indicates resonance peaks of the counter-propagating directions of the ring resonator.
摘要翻译：提供了用于衰减谐振器陀螺仪中的转速误差的方法和装置。陀螺仪包括具有中空纤芯光纤线圈的环形谐振器和选择和/或取向以减少可能存在于引入环形谐振器的输入光束中的杂散光的光学元件。谐振器具有预定模式。一个光学元件将输入光束的一部分部分地传输到光纤线圈的第一端，同时部分地将输入光束的一部分传输到滤光器。具有预定模式的光被接受到光纤线圈的第一端，并且滤光器接受具有相应模式的输入光束的光。循环光束的透射分量表示环形谐振器的相反传播方向的共振峰值。

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