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公开(公告)号：US5173910A
公开(公告)日：1992-12-22
申请号：US655429
申请日：1991-02-27
申请人： Jean-Paul Pocholle , Claude Puech , Patrice Jano
发明人： Jean-Paul Pocholle , Claude Puech , Patrice Jano
CPC分类号： H01S3/0941 , H01S3/109 , H01S3/1623
摘要： The invention relates to a solid laser with an emission wavelength lying between 0.5 and 0.65 .mu.m. A chromium-doped Mg.sub.2 SiO.sub.4 (forsterite) laser rod is pumped by a laser diode emitting between 0.75 and 0.8 .mu.m, this laser diode having an active layer which is Ga.sub.1-x Al.sub.x As based, with x lying between 0.1 and 0.18. The laser device finds particular application in the isotopic separation of uranium.
摘要翻译： PCT No.PCT / FR90 / 00481 Sec。 371日期1991年2月27日 102（e）日期1991年2月27日PCT Filed 1990年6月28日PCT公布。 出版物WO91 / 01055 日本1991年1月24日。本发明涉及发射波长在0.5〜0.65μm之间的固体激光器。 铬掺杂的Mg2SiO4（镁橄榄石）激光棒由发射在0.75和0.8μm之间的激光二极管泵浦，该激光二极管具有基于Ga1-xAlxAs的有源层，x位于0.1和0.18之间。 激光装置在铀的同位素分离中具体应用。
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公开(公告)号：US08379216B2
公开(公告)日：2013-02-19
申请号：US12617599
申请日：2009-11-12
申请人： Sylvain Schwartz , Gilles Feugnet , Francois Gutty , Etienne Bonnaudet , Mehdi Alouini , Jean-Paul Pocholle
发明人： Sylvain Schwartz , Gilles Feugnet , Francois Gutty , Etienne Bonnaudet , Mehdi Alouini , Jean-Paul Pocholle
IPC分类号： G01C19/64
CPC分类号： G01C19/66 , G01C19/665
摘要： The general field of the invention is that of gyrolasers comprising at least one ring-shaped optical cavity comprising at least three mirrors, a solid state amplifying medium pumped by a laser diode whose optical emission power is determined by a current supply source, the cavity and the amplifying medium being such that two so-called contra-rotating optical modes propagate in opposite directions to each other within the said optical cavity, the gyrolaser being a class B gyrolaser, the gyrolaser also comprising means of measuring the difference in optical frequency existing between the two optical modes. The gyrolaser comprises means of measuring the total optical power circulating in the optical cavity and first means of control of the current delivered by the supply source in such a way as to maintain the total optical power substantially constant in a narrow spectral band centred on the relaxation frequency of the laser.
摘要翻译： 本发明的一般领域是包括至少一个包括至少三个反射镜的环形光腔的陀螺仪，由激光二极管泵浦的固态放大介质，其发射功率由电流源确定，腔和 所述放大介质使得两个所谓的反向旋转光学模式在所述光学腔内彼此相反的方向传播，所述陀螺仪是B类陀螺仪，陀螺仪还包括测量存在于 两种光模式。 陀螺仪包括测量在光腔中循环的总光功率的装置以及由供电源传送的电流的第一控制装置，以便在以松弛为中心的窄光谱带中保持总光功率基本上恒定 激光的频率。
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公开(公告)号：US20110194119A1
公开(公告)日：2011-08-11
申请号：US12097429
申请日：2006-12-07
IPC分类号： G01C19/68
CPC分类号： G01C19/68
摘要： The field of the invention is that of solid-state laser gyros used for the measurements of rotation speed or relative angular positions. This type of equipment is notably used for aeronautical applications. The object of the invention is to complete the optical devices necessary to control the instability of lasers by specific optical devices enabling elimination of the dead zone and of population inversion gratings exiting in the amplifying medium. An “all optical” solid-state laser is hence obtained without moveable parts, stable and without a dead zone. To this end, the laser gyro according to the invention comprises notably and optical assembly enabling a nonreciprocal optical phase-shift to be introduced between the counterpropagating modes; and control means allowing the phase-shift amplitude to be varied periodically around a mean value that is very approximately zero.
摘要翻译： 本发明的领域是用于测量转速或相对角度位置的固体激光陀螺仪。 这种类型的设备特别用于航空应用。 本发明的目的是完成通过特定光学装置来控制激光器的不稳定性所需的光学装置，从而能够消除在放大介质中退出的死区和群体反转光栅。 因此，“全光学”固体激光器不具有稳定且没有死区的可移动部件。 为此，根据本发明的激光陀螺仪特别包括能够在反向传播模式之间引入不可逆光学相移的光学组件; 以及允许相移幅度围绕非常近似为零的平均值周期性地变化的控制装置。
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24.发明授权Matter-wave rate gyro integrated onto an atom chip and associated Accelerometer 有权物质波速陀螺仪集成到原子芯片和相关的加速度计上公开(公告)号：US07978334B2
公开(公告)日：2011-07-12
申请号：US12360803
申请日：2009-01-27
IPC分类号： G01C19/72
摘要： The general field of the invention is that of rate gyros, of the matter-wave type, allowing the measurement of a speed of rotation in a given direction of measurement. This type of rate gyro works by the Sagnac effect and uses ultracold atoms to perform the measurement. It necessarily comprises an atom trap allowing a cloud of ultracold atoms to be immobilized in a given configuration and means for separation-displacement-recombination of the cloud into two packets of atoms so as to make them trace out a given area. The device according to the invention combines both of these two functions onto one atom chip notably comprising a first conducting wire through which a DC current IDC flows with adjustable intensity, a second conducting wire and a third conducting wire that are substantially parallel, within the region of the trap, to the first conducting wire and are disposed symmetrically on either side of this first wire, the second and the third wire carrying an AC current of the same amplitude and same frequency flowing in the same direction, the maximum amplitude and the frequency of said current being sufficient to create, within the atom cloud, a magnetic field of higher intensity than the magnetic intensity required for the separation of the atom cloud into two packets of atoms.
摘要翻译： 本发明的一般领域是物质波型的速率陀螺仪允许测量给定测量方向的旋转速度。 这种速率陀螺仪通过Sagnac效应工作，并使用超冷原子进行测量。 它必须包含允许以特定构型固定超轻原子云的原子阱，并且用于将云分离 - 置换 - 重组为两个原子包的装置，以使它们在给定区域之外追踪。 根据本发明的装置将这两个功能组合在一个原子芯片上，特别地包括直流电流IDC以可调强度流过的第一导线，基本上平行于该区域内的第二导线和第三导线 的第一导线对称地设置在第一导线的任一侧上，第二和第三导线承载相同振幅和相同频率的相同频率的AC电流在相同方向上流动，最大振幅和频率 所述电流足以在原子云内产生比将原子云分成两个原子束所需的磁强度更高的强度的磁场。
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25.发明申请公开(公告)号：US20110122417A1
公开(公告)日：2011-05-26
申请号：US13055685
申请日：2009-06-25
IPC分类号： G01B9/02
CPC分类号： G01D5/268 , G01D5/35367
摘要： A sensor is used to measure a physical quantity and includes at least: a measurement optical fiber including at least one Bragg grating; optical means designed to inject, into the fiber, a first, “pump” wave at a first optical frequency and a second, “probe” wave at a second optical frequency, the second optical frequency being different from the first optical frequency, the Bragg grating being designed to reflect the first and second optical waves, and the optical power of the first wave being sufficient to give, after interaction with the second wave reflected by stimulated Brillouin scattering, a “Stokes” wave, the frequency of which is representative of the physical quantity to be measured; and means for analyzing the difference in frequency between the two, “pump” and “Stokes”, optical waves. The sensor may notably be used as a hydrophone.
摘要翻译： 传感器用于测量物理量并且至少包括：包括至少一个布拉格光栅的测量光纤; 光学装置被设计成以第一光频率在第一光频和第二“探针”波将第一“泵”波注入到光纤中，第二光频与第一光频不同，布拉格 光栅被设计为反射第一和第二光波，并且第一波的光焦度足以在与被受激布里渊散射反射的第二波相互作用之后给出“斯托克斯”波，其频率代表 要测量的物理量; 以及用于分析两个“泵”和“斯托克斯”光波之间的频率差的装置。 传感器可以特别用作水听器。
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公开(公告)号：US07930967B2
公开(公告)日：2011-04-26
申请号：US11917763
申请日：2006-06-07
IPC分类号： F41H11/00
摘要： The present invention relates to a method for antimissile protection of vehicles having a very short response time with practically no false alarms and not requiring the use of means such as decoys or conventional laser jammers, while providing the best possible protection. It is characterized in that at least one curtain of plasma filaments is created between these vehicles and the probable launch point of these missiles, this curtain being intended to blind the target-seeking device of the missiles.
摘要翻译： 本发明涉及一种具有非常短的响应时间的车辆的反导弹保护方法，几乎没有虚假警报，并且不需要使用诸如诱饵或常规激光干扰器的装置，同时提供最佳的保护。 其特征在于，在这些车辆之间和这些导弹的可能发射点之间产生至少一个等离子体灯丝帘幕，该窗帘旨在使导弹的寻靶装置失明。
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公开(公告)号：US20100272320A1
公开(公告)日：2010-10-28
申请号：US12809278
申请日：2008-12-05
IPC分类号： G06K9/00
CPC分类号： G02B5/08 , G01S7/4811 , G02B23/14 , G02B27/1006 , G02B27/1093 , G02B27/143 , G02B27/148 , G02B27/32
摘要： A system for pointing a laser beam is provided. The system comprises at least one processing laser source for emitting a processing laser beam toward a target, said processing beam being transmitted through a non-reflective zone of a first mirror, said mirror allowing return to an imaging system receiving an illumination beam reflected by the target, said low reflection coefficient zone of the first mirror inducing a shadow zone toward the imaging system; a second mirror receiving said processing beam and intended to orient it and reflect it toward the target; an illumination source for illuminating said target with the aid of the illumination beam, a first control circuit for controlling the orientation of said pointing system toward the target, a second control circuit for angularly displacing the processing beam by a determined angle, measuring the distance separating the position of a zone of the target from the position of the spot of the processing beam on the basis of an image obtained by the imaging system, then displacing the illumination beam in the opposite sense by an angle corresponding to said measured distance, the angular displacement of the processing beam having an amplitude such that the measurement of the position of the target is not perturbed by the shadow zone.
摘要翻译： 提供了一种用于指向激光束的系统。 该系统包括至少一个用于向目标发射处理激光束的处理激光源，所述处理光束通过第一反射镜的非反射区域传输，所述反射镜允许返回到成像系统，该成像系统接收由 所述第一反射镜的所述低反射系数区域向所述成像系统引入阴影区域; 接收所述处理光束并且旨在使其定向并将其反射向目标的第二反射镜; 用于借助于照明光束照射所述目标的照明源，用于控制所述指向系统朝向目标的方向的第一控制电路，用于将处理光束角度地移位确定角度的第二控制电路，测量距离分离 基于由成像系统获得的图像，从处理光束的点的位置开始目标的区域的位置，然后将照射光束以相反的方向移位与所测量的距离对应的角度，角度 处理光束的位移具有使得目标的位置的测量不被影子区域扰动的幅度。
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公开(公告)号：US07589841B2
公开(公告)日：2009-09-15
申请号：US11840868
申请日：2007-08-17
IPC分类号： G01C19/64
CPC分类号： G01C19/66
摘要： The field of the invention is that of solid-state ring lasers or laser gyros. The laser gyro according to the invention comprises at least one optical cavity in the form of a ring and a solid-state amplifying medium which are designed so that two counterpropagating optical modes can propagate in opposite directions one with respect to the other inside said optical cavity and pass through the amplifying medium, said amplifying medium being coupled to an electromechanical device imparting on said amplifying medium a periodic translational movement along an axis substantially parallel to the direction of propagation of said optical modes. Thus, the population inversion grating, written by the standing wave into the amplifying medium, which disturbs the nominal operation of the laser gyro, is greatly attenuated.
摘要翻译： 本发明的领域是固态环形激光器或激光陀螺仪。 根据本发明的激光陀螺仪包括至少一个呈环状的光腔和固态放大介质，其被设计成使得两个反向传播的光学模式可以相对于所述光学腔内的另一个在相反的方向上传播 并且通过放大介质，所述放大介质耦合到机电装置，其赋予所述放大介质沿着基本上平行于所述光模的传播方向的轴的周期性平移运动。 因此，通过驻波写入到放大介质中，扰乱激光陀螺仪的标称操作的群体反转光栅被大大衰减。
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公开(公告)号：US20080043225A1
公开(公告)日：2008-02-21
申请号：US11840868
申请日：2007-08-17
CPC分类号： G01C19/66
摘要： The field of the invention is that of solid-state ring lasers or laser gyros. The laser gyro according to the invention comprises at least one optical cavity in the form of a ring and a solid-state amplifying medium which are designed so that two counterpropagating optical modes can propagate in opposite directions one with respect to the other inside said optical cavity and pass through the amplifying medium, said amplifying medium being coupled to an electromechanical device imparting on said amplifying medium a periodic translational movement along an axis substantially parallel to the direction of propagation of said optical modes. Thus, the population inversion grating, written by the standing wave into the amplifying medium, which disturbs the nominal operation of the laser gyro, is greatly attenuated.
摘要翻译： 本发明的领域是固态环形激光器或激光陀螺仪。 根据本发明的激光陀螺仪包括至少一个呈环状的光腔和固态放大介质，其被设计成使得两个反向传播的光学模式可以相对于所述光学腔内的另一个在相反的方向上传播 并且通过放大介质，所述放大介质耦合到机电装置，其赋予所述放大介质沿着基本上平行于所述光模的传播方向的轴的周期性平移运动。 因此，通过驻波写入到放大介质中的扰乱激光陀螺仪的标称操作的群体反转光栅被大大衰减。
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公开(公告)号：US5570387A
公开(公告)日：1996-10-29
申请号：US378675
申请日：1995-01-26
IPC分类号： H01S3/02 , H01S3/06 , H01S3/08 , H01S3/081 , H01S3/094 , H01S3/0941 , H01S3/16 , H01S3/23 , H01S5/026 , H01S5/40 , H01S5/42 , H01S3/19
CPC分类号： H01S3/2316 , H01S3/081 , H01S3/0941 , H01S3/005 , H01S3/0071 , H01S3/025 , H01S3/0606 , H01S3/061 , H01S3/07 , H01S3/09408 , H01S5/0071 , H01S5/02248 , H01S5/4025
摘要： The disclosure is a high-power solid laser in which an emissive array of semiconductor lasers in a first stage pumps a solid YAG-type laser in a second stage. The structure of the emissive array, which is an integrated circuit, includes rods of semiconductor lasers alternating with grooves, the rods and grooves being parallel. The invention involves incrusting the material of the solid laser bars into the grooves between the rods of semiconductor lasers. This material is either placed in hybrid form or deposited to make an integrated structure.
摘要翻译： 本公开是一种高功率固体激光器，其中第一级中的半导体激光器的发射阵列在第二级泵浦固体YAG型激光器。 作为集成电路的发射阵列的结构包括与沟槽交替的半导体激光器棒，杆和凹槽是平行的。 本发明涉及将固体激光棒的材料结合到半导体激光器的棒之间的凹槽中。 该材料或者以混合形式放置或沉积以形成一体结构。
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