公开(公告)号：US20150345949A1

公开(公告)日：2015-12-03

申请号：US14653330

申请日：2013-12-12

Applicant: IXBLUE

Inventor： Joachin HONTHAAS ,  Herve LEFEVRE ,  Eric DUCLOUX ,  Jean-Jacques BONNEFOIS

IPC: G01C19/64

CPC classification number: G01C19/64

Abstract: An interferometric measurement device includes a broad-spectrum spontaneous emission light source; a measurement interferometer, receiving as input a light signal with input light power and delivering as output a modulated light signal with output light power, the modulated light signal being modulated at a modulation frequency, depending on a physical parameter (ΩR) to be measured and being proportional to the input light power; an optical radiation detector, receiving the modulated light signal exiting from the measurement interferometer and delivering a modulated electrical signal representative of the output light power; a filtering interferometer, insensitive to the physical parameter to be measured, having a free spectral range ISL and a finesse F selected such that an interval of frequencies, centred around an optimal frequency foptim equal to (2k+1) ISL/2, k being a natural number, and of width Δf equal to [0.9−(3/2F)] ISL, includes the modulation frequency of the modulated light.

Abstract translation: 干涉测量装置包括广谱自发发射光源; 测量干涉仪，作为输入接收具有输入光功率的光信号并且作为输出输出具有输出光功率的调制光信号，所述调制光信号根据物理参数（＆amp; R; R）以调制频率被调制 测量并与输入光功率成比例; 光学辐射检测器，接收从测量干涉仪退出的调制光信号并传送表示输出光功率的调制电信号; 对待测物理参数不敏感的滤波干涉仪具有自由光谱范围ISL和精细度F，使得以最大频率foptim为中心的频率间隔等于（2k + 1）ISL / 2，k为 自然数，宽度＆Dgr; f等于[0.9-（3 / 2F）] ISL，包括调制光的调制频率。

公开(公告)号：US20160363446A1

公开(公告)日：2016-12-15

申请号：US15121620

申请日：2015-02-26

Applicant: IXBLUE

Inventor： Herve LEFEVRE ,  Frederic GUATTARI ,  Cedric MOLUCON ,  Stephane CHOUVIN

IPC: G01C19/72 ,  G01B9/02

CPC classification number: G01C19/722 ,  G01B9/02 ,  G01B2290/70 ,  G01C19/726 ,  G01C19/727

Abstract: Interferometric measurement device includes a light source emitting a source signal and optical coupling elements receiving the source signal, directing part of the latter towards a measurement pathway including a Sagnac ring interferometer, of frequency fp, producing a power output signal POUT polarized according to a first polarization direction, tapping off another part of the source signal towards a compensation pathway producing a return power compensation signal PRET, and directing the output and compensation signals towards detection elements. The compensation pathway includes polarization rotation elements producing the compensation signal according to a second cross-direction of polarization, and optical looping elements redirecting part of the compensation signal towards the measurement pathway; the detection elements include a single detector connected to the coupling elements for receiving the output signal and the compensation signal; the device further includes power equilibration elements equalizing the output power and/or return power are routed towards the detector.

Abstract translation: 干涉测量装置包括发射源信号的光源和接收源信号的光耦合元件，将光信号的一部分导向包括频率fp的Sagnac环形干涉仪的测量路径，产生根据第一个信号极化的功率输出信号POUT 偏振方向，将源极信号的另一部分朝向产生返回功率补偿信号PRET的补偿路径，并将输出和补偿信号引导到检测元件。 所述补偿路径包括根据偏振的第二交叉方向产生所述补偿信号的偏振旋转元件，以及光学环路元件将所述补偿信号的一部分重定向到所述测量路径; 检测元件包括连接到耦合元件的单个检测器，用于接收输出信号和补偿信号; 该装置还包括均衡输出功率和/或返回功率的功率平衡元件被路由到检测器。

公开(公告)号：US20130202249A1

公开(公告)日：2013-08-08

申请号：US13759290

申请日：2013-02-05

Applicant: IXBLUE

Inventor： Herve LEFEVRE ,  Frederic GUATTARI

IPC: G02B6/12

CPC classification number: G02B6/12004 ,  G02B6/122 ,  G02B6/126 ,  G02B6/14 ,  G02B6/266 ,  G02B6/30

Abstract: An integrated optical circuit includes a substrate having an input face, an output face, a lower face and an upper face, at least one optical waveguide having a first waveguide end located on the input face of the substrate and a second waveguide end located on the output face of the substrate. The lower face of the substrate includes a first part that is planar and parallel to the upper face and an optical block, the optical block being positioned in the median plane and in the incidence plane, the optical block forming a protrusion at least at the primary reflection point of the integrated optical circuit with respect to the first planar part of the lower face and the optical block being capable of receiving and attenuating at least one non-guided optical beam propagating on the optical path of a primary reflection.

Abstract translation: 集成光电路包括具有输入面，输出面，下表面和上表面的基板，至少一个光波导，其具有位于基板的输入面上的第一波导端和位于基板的输入面上的第二波导端 输出面。 基板的下表面包括平面且平行于上表面的第一部分和光学块，光学块位于中间平面中并且在入射平面中，光学块至少在初级 集成光电路相对于下表面的第一平面部分的反射点和光学块能够接收和衰减在主反射光路上传播的至少一个非引导光束。

公开(公告)号：US20160025494A1

公开(公告)日：2016-01-28

申请号：US14774540

申请日：2014-03-10

Applicant: IXBLUE

Inventor： Herve LEFEVRE ,  Frederic GUATTARI ,  Cedric MOLUCON ,  Joachin HONTHAAS ,  Eric DUCLOUX ,  Jean-Jacques BONNEFOIS

IPC: G01C19/72

CPC classification number: G01C19/727

Abstract: A fibre-optic interferometric measurement device (100) intended to measure a physical parameter (QR), includes: a wide-spectrum light source (103); a SAGNAC fibre-optic interferometer (110), in which there propagate two counter-propagating light waves (101, 102) including measurement elements (1140) sensitive to the physical parameter that results in a non-reciprocal phase difference Δφρ between the two light waves; and a detector (104) delivering an electric signal representative of the physical parameter. The measurement elements include a ring resonator (1143) in transmission mode including a first coupler (1141) and a second coupler (1142) respectively, which couple a first arm (111) and a second arm (112) respectively of the SAGNAC interferometer to the ring resonator, in such a way that the two light waves travel in opposing directions of travel (1143H, 1143AH).

Abstract translation: 旨在测量物理参数（QR）的光纤干涉测量装置（100）包括：宽光源（103）; SAGNAC光纤干涉仪（110），其中传播包括对物理参数敏感的测量元件（1140）的两个反向传播光波（101,102），该物理参数导致不可逆相位差＆Dgr;＆rgr ; 两个光波之间; 以及传送代表物理参数的电信号的检测器（104）。 测量元件包括传输模式中的环形谐振器（1143），其包括分别将SAGNAC干涉仪的第一臂（111）和第二臂（112）分别耦合到第一耦合器（1141）和第二耦合器（1142） 环形谐振器以这样的方式使得两个光波在相反的行进方向（1143H，1143AH）上行进。

公开(公告)号：US20130202250A1

公开(公告)日：2013-08-08

申请号：US13759315

申请日：2013-02-05

Applicant: Ixblue

Inventor： Frederic GUATTARI ,  Herve LEFEVRE

IPC: G02B6/122

CPC classification number: G02B6/122 ,  G02B6/126 ,  G02B6/30

Abstract: An integrated optical circuit includes a substrate having an input face, an output face, a lower face and an upper face, an optical waveguide extending between a first end located on the input face of the substrate and a second waveguide end located on the output face of the substrate. The integrated optical circuit further includes at least one off-center groove, the off-center groove extending from the lower face to the inside of the substrate, the at least one off-center groove being located at a non-zero distance d from the median plane, the off-center groove replacing a central groove and the at least one off-center groove being capable of attenuating the non-guided optical beam transmitted by the substrate between the first end and the second end.

Abstract translation: 集成光电路包括具有输入面，输出面，下面和上面的基板，位于基板的输入面的第一端和位于输出面的第二波导端之间延伸的光波导 的基底。 所述集成光学电路还包括至少一个偏心凹槽，所述偏心凹槽从所述基底的下表面延伸到所述内部，所述至少一个偏心凹槽位于距离所述基底的非零距离d处 中间平面，偏心凹槽取代中心凹槽，并且所述至少一个偏心凹槽能够衰减在第一端和第二端之间由基底传输的非引导光束。