公开(公告)号：JP5669937B2

公开(公告)日：2015-02-18

申请号：JP2013515662

申请日：2010-06-25

Applicant: ナンキン ユニバーシティー ,  ナンキン ユニバーシティー

Inventor： リュ，ヤンキン ,  チャン，シュイ ,  チョン，キ ,  シュ，フェイ ,  リン，シャオウェン ,  フ，ウェイ

IPC: G01N21/45

CPC classification number: G02B6/29344 ,  G01J2009/004 ,  G01N21/45 ,  G02B6/02295 ,  G02B6/14 ,  G02B6/2551 ,  G02B6/262

公开(公告)号：WO2014064636A2

公开(公告)日：2014-05-01

申请号：PCT/IB2013/059611

申请日：2013-10-24

Applicant: CSIR

Inventor： FORBES, Andrew ,  SCHULZE, Christian ,  DUPARRÉ, Michael Rudolf ,  NGCOBO, Sandile

IPC: H01S3/00

CPC classification number: G01J1/4257 ,  G01J1/0407 ,  G01J1/0411 ,  G01J1/0437 ,  G01J1/4228 ,  G01J9/00 ,  G01J2009/004 ,  H01S3/0014 ,  H01S3/005 ,  H01S3/08054 ,  H01S3/0815 ,  H01S3/09415

Abstract: A method and apparatus for performing a modal decomposition of a laser beam are disclosed. The method includes the steps of performing a measurement to determine the second moment beam size (w) and beam propagation factor (M2) of the laser beam, and inferring the scale factor (wO) of the optimal basis set of the laser beam from the second moment beam size and the beam propagation factor, from the relationship: wO = w/M2. An optimal decomposition is performing using the scale factor wO to obtain an optimal mode set of adapted size. The apparatus includes a spatial light modulator arranged for complex amplitude modulation of an incident laser beam, and imaging means arranged to direct the incident laser beam onto the spatial light modulator. A Fourier transforming lens is arranged to receive a laser beam reflected from the spatial light modulator. A detector is placed a distance of one focal length away from the Fourier transforming lens for monitoring a diffraction pattern of the laser beam reflected from the spatial light modulator and passing through the Fourier transforming lens. The apparatus performs an optical Fourier transform on the laser beam reflected from the spatial light modulator and determines the phases of unknown modes of the laser beam, to perform a modal decomposition of the laser beam.

Abstract translation: 公开了一种用于执行激光束的模态分解的方法和设备。 该方法包括以下步骤：执行测量以确定激光束的第二矩光束尺寸（w）和光束传播因子（M2），并且从激光束的最佳基组集合中推断最优基础集合的比例因子（w0） 第二时刻光束大小和光束传播因子的关系：w0 = w / M2。 使用比例因子wO执行最优分解以获得适应大小的最优模式集合。 该设备包括布置成用于对入射激光束进行复合幅度调制的空间光调制器以及布置成将入射激光束引导到空间光调制器上的成像装置。 傅里叶变换透镜被布置成接收从空间光调制器反射的激光束。 检测器被放置在离傅里叶变换透镜一焦距的距离处，以监测从空间光调制器反射并穿过傅里叶变换透镜的激光束的衍射图案。 该设备对从空间光调制器反射的激光束执行光傅立叶变换，并确定激光束的未知模式的相位，以执行激光束的模态分解。

公开(公告)号：WO2013096590A1

公开(公告)日：2013-06-27

申请号：PCT/US2012/070884

申请日：2012-12-20

Applicant: RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK

Inventor： DANIAS, Ioannis ,  LIM, Hyungsik

IPC: G01N33/15 ,  G01N21/00 ,  A61F9/008

CPC classification number: G01N33/5044 ,  A61B3/10 ,  A61B5/4848 ,  G01J4/00 ,  G01J9/00 ,  G01J2009/002 ,  G01J2009/004 ,  G01N21/1717 ,  G01N21/21 ,  G01N21/63 ,  G01N21/636 ,  G01N33/4833 ,  G01N33/5008 ,  G01N2021/1734 ,  G02B21/002

Abstract: The subject matter disclosed herein pertains to a method for screening drugs using second-harmonic generation microscopy. The tissue is scanned with a pulsed laser light which has an excitation wavelength. At least some of microtubules within the tissue produce generated light with a second-harmonic wavelength that is half the excitation wavelength. A microtubule pattern within the tissue is determined based on an analysis of the generated second-harmonic wavelength.

Abstract translation: 本文公开的主题涉及使用二次谐波生成显微术来筛选药物的方法。 组织用具有激发波长的脉冲激光扫描。 组织内的至少一些微管产生产生的光，其二次谐波波长是激发波长的一半。 基于生成的二次谐波波长的分析来确定组织内的微管图案。

公开(公告)号：WO2015193694A1

公开(公告)日：2015-12-23

申请号：PCT/IB2014/001347

申请日：2014-06-17

Applicant: DRAKA COMTEQ BV

Inventor： ACHTEN, Franciscus Johannes ,  MOLIN, Denis ,  SILLARD, Pierre ,  BIGOT-ASTRUC, Marianne

IPC: G02B6/028 ,  G02B6/036

CPC classification number: G01M11/338 ,  G01J9/00 ,  G01J2009/004 ,  G01J2009/006 ,  G02B6/0288 ,  G02B6/0365 ,  G02B6/14

Abstract: The invention concerns a method for characterizing mode group properties of multimodal light traveling through an optical component, comprising: - providing a Mode Group Separating optical fiber in an optical path between a light source and said optical components - launching reference pulses of light with a wavelength λt from said light source through said Mode Group Separating optical fiber into said optical component at discrete intervals between a core center and a core radius of said fiber. The Mode Group Separating optical fiber is a multimode fiber with an a-profile graded index core with an α-value chosen such that said fiber satisfies the following criterion at the wavelength λt : formula (I) where: - Δ Ƭ is a time delay difference between consecutive mode groups; - L is a length of said fiber; - Δ T REF is a Full Width at Quarter Maximum of said reference pulses.

Abstract translation: 本发明涉及一种用于表征通过光学部件传播的多模光的模式组属性的方法，包括：提供模式组在光源和所述光学部件之间的光路中分离光纤 - 发射具有波长的参考脉冲 λt从所述光源通过所述模式组在核心中心和所述光纤的芯半径之间以离散间隔分离成所述光学部件。 模式组分离光纤是一种多模光纤，其具有α值选择的α型分级折射率芯，使得所述光纤在波长λt：满足以下标准：公式（I）其中：ΔΔ是时间延迟差 连续模式组之间; L是所述纤维的长度; - ΔTREF是四分之一全宽度的所述参考脉冲的最大值。

公开(公告)号：WO2011160306A1

公开(公告)日：2011-12-29

申请号：PCT/CN2010/074479

申请日：2010-06-25

Applicant: NANJING UNIVERSITY ,  LU, Yanqing ,  ZHANG, Shuyi ,  ZHONG, Qi ,  XU, Fei ,  LIN, Xiaowen ,  HU, Wei

Inventor： LU, Yanqing ,  ZHANG, Shuyi ,  ZHONG, Qi ,  XU, Fei ,  LIN, Xiaowen ,  HU, Wei

IPC: G01N21/45 ,  G02B6/255 ,  G02F1/225

CPC classification number: G02B6/29344 ,  G01J2009/004 ,  G01N21/45 ,  G02B6/02295 ,  G02B6/14 ,  G02B6/2551 ,  G02B6/262

Abstract: A device related to multi-mode interferometer technique comprises a first waveguide configured to operate in a first mode, wherein the first waveguide is effective to receive a first wave and propagate the first wave in the first mode along a first path; and a second waveguide in optical communication with the first waveguide. The second waveguide is configured to operate in a second mode and a third mode. The second waveguide includes a reflection surface, and is configured to receive the first wave when the first waveguide propagates the first wave, propagate a second wave in the second mode along the first path in response to the first wave, propagate a third wave in the third mode along the first path in response to the first wave, and reflect the second wave off the reflection surface to produce a first reflected wave and a second reflected wave. The second waveguide is also configured to propagate the first reflected wave in the second mode in a second path, propagate the second reflected wave in the third mode in the second path, reflect the third wave off the reflection surface to produce a third reflected wave and a fourth reflected wave, propagate the third reflected wave in the third mode in the second path, and propagate the fourth reflected wave in the second mode in the second path. A method utilizing the device is provided.

Abstract translation: 与多模干涉仪技术相关的装置包括配置成以第一模式操作的第一波导，其中第一波导有效地接收第一波并沿着第一路径以第一模式传播第一波; 以及与第一波导光学通信的第二波导。 第二波导被配置为在第二模式和第三模式下操作。 第二波导包括反射表面，并且被配置为当第一波导传播第一波时接收第一波，响应于第一波沿着第一路径在第二模式中传播第二波，在第二波中传播第三波 响应于第一波沿着第一路径的第三模式，并且将第二波反射离开反射表面以产生第一反射波和第二反射波。 第二波导还被配置为在第二路径中以第二模式传播第一反射波，在第二路径中以第三模式传播第二反射波，将第三波反射离开反射表面以产生第三反射波， 第四反射波在第二路径中以第三模式传播第三反射波，并且在第二路径中以第二模式传播第四反射波。 提供了利用该装置的方法。

公开(公告)号：EP3158372A1

公开(公告)日：2017-04-26

申请号：EP14786708.9

申请日：2014-06-17

Applicant: Draka Comteq BV

Inventor： ACHTEN, Franciscus Johannes ,  MOLIN, Denis ,  SILLARD, Pierre ,  BIGOT-ASTRUC, Marianne

IPC: G02B6/028 ,  G02B6/036

CPC classification number: G01M11/338 ,  G01J9/00 ,  G01J2009/004 ,  G01J2009/006 ,  G02B6/0288 ,  G02B6/0365 ,  G02B6/14

Abstract: The invention concerns a method for characterizing mode group properties of multimodal light traveling through an optical component, comprising: - providing a Mode Group Separating optical fiber in an optical path between a light source and said optical components - launching reference pulses of light with a wavelength
λt from said light source through said Mode Group Separating optical fiber into said optical component at discrete intervals between a core center and a core radius of said fiber. The Mode Group Separating optical fiber is a multimode fiber with an a-profile graded index core with an α-value chosen such that said fiber satisfies the following criterion at the wavelength
λt : formula (I) where: - Δ
Ƭ is a time delay difference between consecutive mode groups; - L is a length of said fiber; - Δ
T
REF is a Full Width at Quarter Maximum of said reference pulses.

Abstract translation: 本发明涉及一种方法，用于通过光学元件的表征多峰光的行进的方式组属性，包括： - 一个光源和所述光学元件之间的光路中提供时装集团分离光纤 - 发射光的参考脉冲，其波长 λT从通过所述时装集团分离光纤，所述光源到所述光学部件在芯中心与所述光纤的纤芯的半径之间的离散区间。 时装集团分离光纤是用在α值选定检查的一个轮廓渐变折射率芯即所述纤维SATIS外资企业在波长λT以下标准多模光纤：式（I）其中： - ΔƬ是时间延迟差 连续模式组之间; - L是所述光纤的长度; - .DELTA.T REF是在四分卫最大所述参考脉冲的全宽。

公开(公告)号：EP2585812A1

公开(公告)日：2013-05-01

申请号：EP10853449.6

申请日：2010-06-25

Applicant: Nanjing University

Inventor： LU, Yanqing ,  ZHANG, Shuyi ,  ZHONG, Qi ,  XU, Fei ,  LIN, Xiaowen ,  HU, Wei

IPC: G01N21/45 ,  G02B6/255 ,  G02F1/225

CPC classification number: G02B6/29344 ,  G01J2009/004 ,  G01N21/45 ,  G02B6/02295 ,  G02B6/14 ,  G02B6/2551 ,  G02B6/262

Abstract: A device related to multi-mode interferometer technique comprises a first waveguide configured to operate in a first mode, wherein the first waveguide is effective to receive a first wave and propagate the first wave in the first mode along a first path; and a second waveguide in optical communication with the first waveguide. The second waveguide is configured to operate in a second mode and a third mode. The second waveguide includes a reflection surface, and is configured to receive the first wave when the first waveguide propagates the first wave, propagate a second wave in the second mode along the first path in response to the first wave, propagate a third wave in the third mode along the first path in response to the first wave, and reflect the second wave off the reflection surface to produce a first reflected wave and a second reflected wave. The second waveguide is also configured to propagate the first reflected wave in the second mode in a second path, propagate the second reflected wave in the third mode in the second path, reflect the third wave off the reflection surface to produce a third reflected wave and a fourth reflected wave, propagate the third reflected wave in the third mode in the second path, and propagate the fourth reflected wave in the second mode in the second path. A method utilizing the device is provided.

公开(公告)号：EP0428924A2

公开(公告)日：1991-05-29

申请号：EP90121017.9

申请日：1990-11-02

Applicant: Hughes Aircraft Company

Inventor： Ottusch, John J.

IPC: G01J9/04 ,  G02F2/00 ,  H01S3/00 ,  G01R23/14

CPC classification number: G01J9/04 ,  G01J2009/004

Abstract: A photodetector produces an output signal in response to irradiation by an optical beam from a pulled laser. A delay unit delays the output signal for a period corresponding to one-half of one cycle of a beat frequency generated by interaction of two frequency components in the optical beam corresponding to two predetermined longitudinal modes of operation of the laser. A differential mixer subtractively combines the output of the photodetector with the output of the delay unit, to produce an output signal having the main profile of the laser pulses suppressed, and the beat frequency component, if present, amplified. A resonant circuit and amplifier may be provided to further amplify the beat frequency component. The output of the amplifier is integrated to produce a DC signal having a magnitude which corresponds to the amplitude of the beat frequency component. The DC signal is compared with a threshold value to discriminate between single and multi-mode operation of the laser. An optical shutter may be closed in response to sensed multi-longitudinal mode operation to block the laser beam and protect equipment which would otherwise be damaged thereby.

Abstract translation: 光电检测器响应于来自拉动激光器的光束的照射而产生输出信号。 延迟单元将对应于对应于激光器的两个预定纵向工作模式的光束中的两个频率分量的相互作用产生的拍频的一个周期的一半周期延迟输出信号。 差分混频器将光电检测器的输出与延迟单元的输出相减，以产生抑制激光脉冲的主要轮廓的输出信号，并且如果存在则将拍频分量放大。 可以提供谐振电路和放大器以进一步放大拍频分量。 放大器的输出被积分以产生具有对应于节拍频率分量的振幅的幅度的DC信号。 将DC信号与阈值进行比较，以区分激光器的单模式和多模式操作。 可以响应于感测的多纵模式操作来闭合光学快门来阻挡激光束并保护否则将由此损坏的设备。

公开(公告)号：EP3260829A1

公开(公告)日：2017-12-27

申请号：EP17177531.5

申请日：2017-06-22

Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

Inventor： Berlich, René ,  Reinlein, Claudia

IPC: G01J9/00

CPC classification number: G02B27/62 ,  G01J9/00 ,  G01J2009/004 ,  G02B7/185 ,  G02B26/06 ,  G02B27/18

Abstract: Eine Vorrichtung zur Messung einer Aberration umfasst einen Bildsensor, eine Projektionsoptik zur optischen Projektion auf den Bildsensor, eine optische Einrichtung zur Beeinflussung der optischen Projektion auf den Bildsensor so, dass auf dem Bildsensor ein Mehrfachbild aus einer Mehrzahl von Teilbildern (26a-d) entsteht, wobei die optische Einrichtung (22) zumindest einen Bereich (74a-d; 82a-d) pro Teilbild (26a-d) aufweist, wobei die Bereiche (74a-d; 82a-d) unterschiedliche laterale Abschnitte einer auf die Projektionsoptik einfallenden Wellenfront (36') unterschiedlich beeinflussen, und eine Auswerteeinrichtung, die ausgebildet ist, um auf Basis des Mehrfachbildes eine Information bezüglich der Aberration zu bestimmen.

Abstract translation: 一种用于测量的像差装置包括图像传感器，用于在图像传感器上的光学投影的投影光学系统，用于使得在图像传感器上形成的多个子图像（图26a-d）中的多个图像影响在图像传感器上的光学投影光学装置， 其中，所述光学装置（22）的至少一部分（74A-d; 82A-d）每场（图26a-d），所述区域（74A-d; 82A-d）（光入射到投影光学波前不同的横向部分 36'）以及评估装置，该评估装置被设计成基于多重图像来确定与像差有关的信息。

公开(公告)号：EP2585812A4

公开(公告)日：2014-06-11

申请号：EP10853449

申请日：2010-06-25

Applicant: UNIV NANJING

Inventor： LU YANQING ,  ZHANG SHUYI ,  ZHONG QI ,  XU FEI ,  LIN XIAOWEN ,  HU WEI

IPC: G01N21/45 ,  G02B6/255 ,  G02F1/225

CPC classification number: G02B6/29344 ,  G01J2009/004 ,  G01N21/45 ,  G02B6/02295 ,  G02B6/14 ,  G02B6/2551 ,  G02B6/262

Abstract: Technologies are generally described for techniques useful in an interferometer system. In some examples, a system may include a first waveguide effective to propagate a first wave in a first mode. In some examples, the system may include a second waveguide effective to, in response to the first wave, propagate second and third waves in second and third modes, respectively. In some examples, the second waveguide may be effective to reflect the second and third waves off a reflection surface to produce first, second, third and fourth reflected waves. In some examples, the second waveguide may be effective to propagate the first and third reflected waves in the second mode and propagate the second and fourth reflected waves in the third mode.