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公开(公告)号：EP2672221B1
公开(公告)日：2017-08-02
申请号：EP13170707.7
申请日：2013-06-05
申请人： Thales
CPC分类号： G01C19/661 , G01C19/66 , H01S3/03 , H01S3/0388 , H01S3/0835 , H01S3/2222
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2.发明公开Minimally-threaded screw to reduce alignment shifts 审中-公开Minimalgewinde-Schraube zur Reduzierung von Ausrichtungsverschiebungen
公开(公告)号：EP2873949A2
公开(公告)日：2015-05-20
申请号：EP14188381.9
申请日：2014-10-09
发明人： Clark, Matthew , Touchberry, Alan Bruce , Seppanen, Gordon Allen , Ecklund, Steven P. , Petersen, Mark
IPC分类号： G01C19/66
CPC分类号： G01C19/661 , G01C19/66
摘要： A ring laser gyroscope configured to reduce alignment shifts in at least one critical alignment of the ring laser gyroscope is provided. The ring laser gyroscope includes reflective components configured to direct clockwise optical beams and counterclockwise optical beams in at least one lasing plane; at least one ring-laser-gyro mounting feature having at least one respective through hole; and at least one minimally-threaded screw positioned in the at least one respective through hole. An unthreaded section of the minimally-threaded screw is contactlessly encased in the at least one respective through hole. A threaded-end of the at least one minimally-threaded screw is threaded in a respective at least one threaded hole in a gyro frame, the gyro frame spanning a reference mounting plane.
摘要翻译： 提供了一种环形激光陀螺仪，其配置为减少环形激光陀螺仪的至少一个关键对准中的对准偏移。 环形激光陀螺仪包括被配置为在至少一个激光平面中引导顺时针光束和逆时针光束的反射部件; 至少一个环形激光陀螺安装特征具有至少一个相应的通孔; 以及定位在所述至少一个相应通孔中的至少一个最小螺纹螺钉。 最小螺纹螺钉的无螺纹部分被非接触地包封在至少一个相应的通孔中。 所述至少一个最小螺纹螺钉的螺纹端螺纹连接在陀螺仪框架中的相应的至少一个螺纹孔中，所述陀螺仪架跨越参考安装平面。
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公开(公告)号：EP2573517A3
公开(公告)日：2014-06-04
申请号：EP12184345.2
申请日：2012-09-13
发明人： Salit, Mary K. , Salit, Kenneth , Bauhahn, Paul E.
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： A ring laser gyroscope includes active cavity containing gain medium, first reflective surfaces coupled to active cavity, medium exciter to excite gain medium, second reflective surfaces coupled to first passive cavity, and third reflective surfaces coupled to second passive cavity. Excited gain medium induces first and second laser fields within active cavity. First plurality of reflective surfaces includes first, second, and third reflective surfaces that reflect light within active cavity. Second plurality of reflective surfaces includes first, fourth, and fifth reflective surfaces that reflect light within first passive cavity. Third plurality of reflective surfaces includes fourth, sixth, and seventh reflective surfaces that reflect light within second passive cavity. First and fourth reflective surfaces are partially transmissive such that they both transmit and reflect light. Second or third cavities induce frequency dependent phase shift on light traveling through ring laser gyroscope causing anomalous dispersion of first and second laser fields passing through gain medium.
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4.发明公开Ring laser gyroscope with dispersion controlled gain condition 有权环形激光陀螺仪与dispersionsgesteuertem增益状态
公开(公告)号：EP2375220A3
公开(公告)日：2013-10-23
申请号：EP11159485.9
申请日：2011-03-23
发明人： Salit, Mary , Salit, Kenneth
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： A ring laser gyroscope that includes a cavity containing a gain medium, a plurality of reflective surfaces coupled to the cavity, and at least one medium exciter operable to excite the gain medium. The gain medium has naturally dispersive properties associated with an index of refraction. The reflective surfaces include at least a first reflective surface, a second reflective surface, and a third reflective surface. The first, second, and third reflective surfaces are positioned to reflect light between the plurality of reflective surfaces. The excited gain medium induces first and second laser fields within the cavity. The first and second laser fields operate at a lasing frequency corresponding to a negative slope of the index of refraction associated with the dispersive properties of the gain medium. The gain medium causes anomalous dispersion of the first and second laser fields passing through the gain medium.
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5.发明公开Ring laser gyroscope with dispersion controlled gain condition 有权Ringlaserkreisel mit dispersionsgesteuertemVerstärkungszustand
公开(公告)号：EP2375220A2
公开(公告)日：2011-10-12
申请号：EP11159485.9
申请日：2011-03-23
发明人： Salit, Mary , Salit, Kenneth
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： A ring laser gyroscope that includes a cavity containing a gain medium, a plurality of reflective surfaces coupled to the cavity, and at least one medium exciter operable to excite the gain medium. The gain medium has naturally dispersive properties associated with an index of refraction. The reflective surfaces include at least a first reflective surface, a second reflective surface, and a third reflective surface. The first, second, and third reflective surfaces are positioned to reflect light between the plurality of reflective surfaces. The excited gain medium induces first and second laser fields within the cavity. The first and second laser fields operate at a lasing frequency corresponding to a negative slope of the index of refraction associated with the dispersive properties of the gain medium. The gain medium causes anomalous dispersion of the first and second laser fields passing through the gain medium.
摘要翻译： 环形激光陀螺仪，其包括包含增益介质的空腔，耦合到空腔的多个反射表面以及可操作以激励所述增益介质的至少一个介质激励器。 增益介质具有与折射率相关的自然色散特性。 反射表面至少包括第一反射表面，第二反射表面和第三反射表面。 第一，第二和第三反射表面被定位成在多个反射表面之间反射光。 激发的增益介质在空腔内引起第一和第二激光场。 第一和第二激光场以对应于与增益介质的色散特性相关联的折射率的负斜率的激光频率运行。 增益介质引起通过增益介质的第一和第二激光场的异常色散。
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公开(公告)号：EP2267408A1
公开(公告)日：2010-12-29
申请号：EP10166563.6
申请日：2010-06-18
申请人： THALES
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： Gyrolaser (100) à état solide comportant un dispositif (30) de stabilisation des intensités permettant de maintenir l'équilibre des deux modes contre-propageants, un moyen (3) de calcul d'une mesure de rotation (Ω, IΩ) dudit gyrolaser à partir des modes optiques dits contre-propageants, présentant entre eux une différence de fréquence (Δνmes), en supposant que cette différence est induite uniquement par la rotation de la cavité, comprenant en outre :
- un moyen (23) pour mesurer la commande de réglage (Co),
- un moyen (21) pour mémoriser un modèle (Mo) de comportement d'un biais en fréquence (Δνb) induit par le dispositif (30) de stabilisation des intensités en fonction de la commande de réglage (Co),
- un moyen (22) pour calculer le biais en fréquence (Δνb) induit par le dispositif (30) de stabilisation des intensités à partir de la valeur de la commande de réglage (Co) et du modèle (Mo) ,
- un moyen (24) pour calculer le biais (ΔΩb, ΔIΩb) sur la mesure de rotation (Ω, IΩ), induit par le biais en fréquence (Δνb)
- un moyen (25) pour compenser le biais (ΔΩb, ΔIΩb) sur la mesure de rotation (Ω, IΩ).摘要翻译： 陀螺仪（100）具有从光学模式即反向传播模式计算旋转测量（OMEGA，I-OMEGA）的计算单元（3）。 测量单元（23）测量调节控制（Co）。 存储单元（21）存储由稳定装置（30）感应的用于根据调整控制稳定强度的偏置频率（DELTA-nu-b）的功能的型号（Mo）。 另一计算单元（22）计算偏置频率。 补偿单元（25）在旋转测量时补偿偏差（DELTA-OMEGA-b，DELTA-I-OMEGA-b）。
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公开(公告)号：EP1393017A1
公开(公告)日：2004-03-03
申请号：EP02740835.0
申请日：2002-05-28
申请人： Thales
发明人： POCHOLLE, J.,c/oThales Intellectual Property , GALLON, P.,c/o Thales Intellectual Property , LECLERC, J.,c/o Thales Intellectual Property , GIRAULT, H.,c/o Thales Intellectual Property
IPC分类号： G01C19/66
CPC分类号： G01C19/66 , H01S3/0604 , H01S3/083 , H01S5/1071 , H01S5/183
摘要： The invention relates to a solid state laser gyrometer comprising a solid state resonator block (3). In said block, an optical path (2) is defined, followed by two counter-rotating waves generated by an optical gain laser medium (4). According to a significant characteristic, the gain medium is added to the resonator and is made of rare earth-doped crystal.
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公开(公告)号：EP1028308A3
公开(公告)日：2001-10-17
申请号：EP00102698.8
申请日：2000-02-09
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： A gyro which comprises a laser device for generating a first and second laser beams to be propagated circuitally in opposite directions. An electric signal is taken out from the laser device. A third laser beam having an oscillation frequency different from that of the first laser beam is led to enter the laser device so as to be propagated circuitally in the same direction as the first laser beam.
摘要翻译： 一种陀螺仪，包括用于产生在相反方向上电路传播的第一和第二激光束的激光装置。 从激光装置中取出电信号。 导致具有与第一激光束的振荡频率不同的振荡频率的第三激光束进入激光装置，以便沿与第一激光束相同的方向电路传播。
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公开(公告)号：EP1099931A2
公开(公告)日：2001-05-16
申请号：EP00124454.0
申请日：2000-11-08
IPC分类号： G01C19/66
CPC分类号： G01C19/66
摘要： A ring laser gyro wherein a first and a second laser beam propagate with propagating directions different with each other comprises electrode areas on an optical waveguide configuring the ring laser and controls an current injected or a voltage applied to the electrode areas, wherein the oscillating frequencies of the first and second laser beams are different from each other, thereby causing an increase and a decrease in the beat frequency enabling to detect the direction and the speed of a rotation at the same time. With regards to a method for detecting a rotation, the anode of the laser gyro is connected to an operational amplifier. Since the signal outputted from the operational amplifier has a frequency corresponding to the angular speed, it is converted into the voltage by a frequency-voltage conversion circuit so as to detect a rotation. This same method can be used for other types of gyros such as a semiconductor laser gyro, a gas lager gyro and the like.
摘要翻译： 一种环形激光陀螺仪，其中第一和第二激光束以彼此不同的传播方向传播包括构成环形激光器的光波导上的电极区域，并且控制注入的电流或施加到电极区域的电压，其中振荡频率 第一和第二激光束彼此不同，从而导致拍频的增加和减少，从而能够同时检测旋转的方向和速度。 关于用于检测旋转的方法，激光陀螺仪的阳极连接到运算放大器。 由于从运算放大器输出的信号具有对应于角速度的频率，所以通过频率 - 电压转换电路将其转换成电压以检测旋转。 这种相同的方法可以用于其他类型的陀螺仪，例如半导体激光陀螺仪，气瓶陀螺仪等。
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公开(公告)号：EP0995970A3
公开(公告)日：2000-10-18
申请号：EP99120638.4
申请日：1999-10-18
CPC分类号： G01C19/66 , H01S5/1071
摘要： A gyro and an operating method therefor, capable of reducing coupling losses which arise when laser beams enter a photodetector, and noise which develops due to light entering into a laser from external reflection points. A gyro according to the present invention comprises a ring resonator type laser in which laser beams circularly counter propagate, and it detects a change in a current or an impedance based on a beat which is generated by the interference of the laser beams counter propagating each other within the laser.
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