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1. 发明专利

JP2014032274A Optical modulator and drift control method therefor 有权
标题翻译：光学调制器及其控制方法
公开(公告)号：JP2014032274A
公开(公告)日：2014-02-20
申请号：JP2012171974
申请日：2012-08-02
申请人： Anritsu Corp , アンリツ株式会社
发明人： KIMURA YUKIYASU , OTANI AKIHITO , ARAI SHIGEO
IPC分类号： G02F1/03 , G02F1/035
摘要： PROBLEM TO BE SOLVED: To restrict drift without causing signal quality degradation, resulting from overlapping of low frequency signals.SOLUTION: An optical modulator is provided with ±N-order modulation light level detection means 30 for detecting a level Land a level L, which are separate from light emitted from the optical modulator 21, by N times of an integer of a modulation signal frequency, with the frequency of the incident light between them. After a DC bias voltage is initially set so that the operating point of the optical modulator 21 is appropriate, the level of a ±N-order modulation light component is detected every predetermined timing during a period in which a modulation signal Sm of non-modulated continuous wave is applied to the optical modulator 21. Based on its change with time, the drift direction of the optical modulator 21 is determined. Based on the determination result, the DC bias voltage is corrected so that the drift decreases.
摘要翻译：要解决的问题：限制漂移，而不会由于低频信号的重叠而导致信号质量劣化。解决方案：光调制器具有±N阶调制光电平检测装置30，用于检测电平Land a电平L，与从光调制器21发射的光分离，调制信号频率的整数的N倍，其间的入射光的频率。在初始设定DC偏置电压使得光调制器21的工作点适当之后，在未调制的调制信号Sm的周期期间每隔预定定时检测±N阶调制光分量的电平连续波被施加到光调制器21.根据其随时间的变化，确定光调制器21的漂移方向。基于确定结果，校正DC偏置电压，使得漂移减小。

2. 发明专利

JP2011196686A Light beam path monitor, light beam path monitoring system, and light beam path monitoring method 审中-公开
标题翻译：光束路径监测器，光束路径监测系统和光束路径监测方法
公开(公告)号：JP2011196686A
公开(公告)日：2011-10-06
申请号：JP2010060291
申请日：2010-03-17
申请人： Anritsu Corp , アンリツ株式会社
发明人： OTANI AKIHITO , MAKI TATSUYUKI , FURUKAWA HIROSHI , IWASAKI KIMIAKI
IPC分类号： G01M11/00
摘要： PROBLEM TO BE SOLVED: To provide a light beam path monitor and a light beam path monitoring method for measuring both Fresnel reflection and Rayleigh scattering without changing a pulse width of a light pulse.SOLUTION: The light beam path monitor 101 includes: a light pulse generation part 11 for producing a light pulse Phaving a pulse with a small width and a pulse with a large width, and outputting it to an optical fiber 100 to be measured; and a light receiving part 13 for receiving return light Pwhich is obtained by reflecting the light pulse from the light pulse generation part 11 by the optical fiber 100 to be measured in a first frequency band in accordance with a pulse width of the pulse with a small width and a second frequency band in accordance with a pulse width of the pulse with a large width.
摘要翻译：要解决的问题：提供一种用于测量菲涅尔反射和瑞利散射两者而不改变光脉冲的脉冲宽度的光束路径监视器和光束路径监测方法。解决方案：光束路径监视器101包括：光脉冲用于产生光脉冲的生成部分11将具有较小宽度的脉冲和宽度较大的脉冲进行波形输出，并将其输出到被测量的光纤100; 以及光接收部13，用于接收根据脉冲的脉冲宽度小的第一频带中的光纤100反射来自光脉冲产生部11的光脉冲而获得的返回光P 宽度和第二频带根据具有大宽度的脉冲的脉冲宽度。

3. 发明专利

JP2010217067A Light signal monitoring device 有权
标题翻译：光信号监控装置
公开(公告)号：JP2010217067A
公开(公告)日：2010-09-30
申请号：JP2009065557
申请日：2009-03-18
申请人： Anritsu Corp , アンリツ株式会社
发明人： MORI TAKASHI , OTANI AKIHITO
IPC分类号： G01J11/00 , G02F1/015 , H01S3/00 , H04B10/07 , H04B10/079
摘要： PROBLEM TO BE SOLVED: To synchronize a sampling frequency of an A-D converter to that of an electric field absorption type optical modulator. SOLUTION: A light signal monitoring device includes: a light pulse generator 2; an electric field absorption type optical modulator 3 as a light sampling gate; a bias voltage generator 4; a light receiving unit 5; an A-D converter 6; an optical coupler 7; a clock reproducer 21; and a delay unit 22. The light signal monitoring device for evaluating the waveform of a light signal Px measured in an equivalent sampling system further includes the clock reproducer 21 for extracting a clock signal Es of a sampling frequency for sampling the light signal Px measured from an electric signal fed from the light receiving unit 5. The A-D converter 6 converts an electric signal Ey to a digital signal in synchronization with a clock signal Es from the clock reproducer 21. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：使A-D转换器的采样频率与电场吸收型光学调制器的采样频率同步。光信号监测装置包括：光脉冲发生器2; 作为光采样门的电场吸收型光调制器3; 偏置电压发生器4; 光接收单元5; A-D转换器6; 光耦合器7; 时钟再现器21; 用于评估在等效采样系统中测量的光信号Px的波形的光信号监视装置还包括时钟再生器21，用于提取采样频率的时钟信号Es，该采样频率用于对从从光接收单元5馈送的电信号.AD转换器6将来自时钟再现器21的时钟信号Es同步的电信号Ey转换为数字信号。（C）2010，JPO＆INPIT

4. 发明专利

JP2008275547A Optical sampling device and optical signal quality monitor 审中-公开
标题翻译：光学采样设备和光信号质量监测器
公开(公告)号：JP2008275547A
公开(公告)日：2008-11-13
申请号：JP2007122122
申请日：2007-05-07
申请人： Anritsu Corp , アンリツ株式会社
发明人： OTANI AKIHITO , TANIMOTO TAKAO , MIYATA MOTOHISA
IPC分类号： G01J11/00 , B82Y15/00 , B82Y20/00 , G01M11/00 , G02F2/00 , H04B10/07 , H04B10/079
摘要： PROBLEM TO BE SOLVED: To sample optical signals with high sampling efficiency with simple low-cost constitution and to stably obtain waveform information of high-speed optical signals.
SOLUTION: A carbon nanotube 23 is used as a sampling element of an optical sampling device 22, and the optical signal Px to be monitored is made incident to one optical terminal 23a. Sampling optical pulse Ps emitted from an optical pulse generator 21 for sampling pulse is made incident to the other optical terminal 23b of the carbon nanotube element 23 through an optical coupler 25, and an absorption factor to the optical signal Px is lowered by supersaturated absorption characteristics generated at the incidence of the sampling optical pulse Ps to carry out emission from the other optical terminal 23b for sampling.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：以简单的低成本结构对采样效率高的光信号进行采样，并稳定地获得高速光信号的波形信息。解决方案：使用碳纳米管23作为光采样装置22的采样元件，并且将要监视的光信号Px入射到一个光端子23a。从采样脉冲发生器21发出的采样光脉冲Ps通过光耦合器25入射到碳纳米管元件23的另一个光端子23b，并且通过过饱和吸收特性降低对光信号Px的吸收系数在采样光脉冲Ps的入射处产生，以执行来自另一个光端子23b的发射以进行采样。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008020297A Sampling apparatus and waveform observing apparatus 审中-公开
标题翻译：采样装置和波形观察装置
公开(公告)号：JP2008020297A
公开(公告)日：2008-01-31
申请号：JP2006191788
申请日：2006-07-12
申请人： Anritsu Corp , アンリツ株式会社
发明人： IGAWA TAKAHITO , OTANI AKIHITO , TSUDA YUKIO
IPC分类号： G01R13/34 , G01R13/20
摘要： PROBLEM TO BE SOLVED: To surely generate a clock component signal synchronized with an envelope curve signal obtained by sampling for an input signal in the NRZ (non return to zero) system.
SOLUTION: The sampling apparatus comprises a sampling section 21 which samples an input signal x(t) with a period having a difference with respect to the multiple of the repetition period of its waveform and outputs an envelope curve signal h(t) having a waveform obtained by successively connecting amplitude values obtained by the sampling and a clock component signal generation section 22 for generating and outputting a sinusoidal signal having the same frequency as the bit rate of the envelope curve signal h(t) as a clock component signal. The clock component signal generation section 22 includes a nonlinear circuit 23 which deforms the waveform of the envelope curve signal h(t) and generates a frequency component which is double the fundamental wave component of the envelope curve signal h(t) and a filter 26 for extracting the frequency component which is double the fundamental wave component of the envelope curve signal h(t) out of an output signal g(t) of the nonlinear circuit 23, generating and outputting a clock component signal q(t) from the envelope curve signal h(t) obtained for the input signal x(t) in the NRZ system.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：确保产生与通过对NRZ（不归零）系统中的输入信号进行采样获得的包络线信号同步的时钟分量信号。解决方案：采样装置包括采样部分21，其对具有与其波形的重复周期的倍数相差的周期的输入信号x（t）进行采样，并输出包络线信号h（t）具有通过连续地连接通过采样获得的振幅值和时钟分量信号产生部分22而获得的波形，用于产生和输出具有与包络线信号h（t）的比特率相同的频率的正弦信号作为时钟分量信号。时钟分量信号产生部分22包括使包络线信号h（t）的波形变形的非线性电路23，并产生与包络线信号h（t）的基波分量的两倍的频率成分和滤波器26 用于从非线性电路23的输出信号g（t）中提取出包络线信号h（t）的基波分量的两倍的频率分量，从包络线产生并输出时钟分量信号q（t）对于NRZ系统中的输入信号x（t）获得的曲线信号h（t）。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2006047333A Optical delay apparatus 有权
标题翻译：光学延迟装置
公开(公告)号：JP2006047333A
公开(公告)日：2006-02-16
申请号：JP2004223608
申请日：2004-07-30
申请人： Anritsu Corp , アンリツ株式会社
发明人： SAITO TAKANORI , OTANI AKIHITO , TAKAHASHI YOSHIFUMI
IPC分类号： G02B26/08
摘要： PROBLEM TO BE SOLVED: To provide an optical delay apparatus that makes fast and recurring variable delay quantity possible by using a MEMS scanner.
SOLUTION: The optical delay apparatus includes a lens 7 that converts incident light from an optical path passing the own focus into parallel light, a reflector 8 that reflects to the lens 7 the parallel light emitted from the lens 7 so as to make it pass through the original optical path, a rotary body 35 that is provided with a reflection area 41 and rotatable around the center axis, and a rotary body driving means 50. The incident light made incident to a part a prescribed distance away from the center axis line is reflected to the lens 7 on the reflection area 41 of the rotary body 35. The reflected light, after converted to the parallel light by the lens 7, is reflected by the reflector 8, passed through the lens 7 again, made incident on the reflection area 41 through the original optical path, and reflected. In order that, by this reflection, the delay quantity of the outgoing light from the reflection area 41 relative to the incident light may become a desired value, there is provided a MEMS scanner 60 which varies the angle of the reflection area 41 of the rotary body 35 through the rotary body driving means 50.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种使用MEMS扫描仪可以实现快速且重复的可变延迟量的光学延迟装置。解决方案：光延迟装置包括将从自身焦点通过的光路的入射光转换为平行光的透镜7，将从透镜7发射的平行光反射到透镜7的反射器8，它穿过原始光路，设置有反射区域41并可围绕中心轴线旋转的旋转体35和旋转体驱动装置50.入射到距离中心一定距离的部分的入射光轴线被反射到旋转体35的反射区域41上的透镜7.反射光在被透镜7转换成平行光之后被反射器8反射，再次通过透镜7，使其入射通过原始光路在反射区域41上反射。为了通过该反射，来自反射区域41的出射光相对于入射光的延迟量可能变成期望值，提供了一种MEMS扫描器60，其将旋转的反射区域41的角度改变主体35通过旋转体驱动装置50。（C）2006，JPO＆NCIPI

7. 发明专利

JP2005338036A Sampling device and waveform observation system 有权
标题翻译：采样设备和波形观测系统
公开(公告)号：JP2005338036A
公开(公告)日：2005-12-08
申请号：JP2004160983
申请日：2004-05-31
申请人： Anritsu Corp , アンリツ株式会社
发明人： TSUDA YUKIO , OTANI AKIHITO
IPC分类号： G01R13/34
摘要： PROBLEM TO BE SOLVED: To make information observable which has burst-shaped signal waveforms, through their correct acquisition. SOLUTION: Observation of waveforms appearing in burst-like form is made possible through following processes, where pulse signal Eo obtained in a sampling section 26 to inputted light signal P is given to a first channel terminal 60b of a digital oscilloscope 60, clock signal C is given to an external clock terminal 60a of the digital oscilloscope 60, and furthermore, gate signal G inputted externally is received at a second trigger signal generating means 28, second trigger signal Q2 is generated synchronously at a timing of transition of level of the first trigger signal Q1 to a predetermined direction during the period indicating acquisition term of waveform by the gate signal G, and then by inputting Q2 into a second channel terminal 60c of digital oscilloscope 60 to initiate acquisition of waveform data through the second trigger signal Q2. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过正确的采集，使具有突发形状信号波形的信息可以观察到。
解决方案：通过以下处理可以观察以脉冲串形式出现的波形，其中在采样部分26中获得的输入光信号P的脉冲信号Eo被提供给数字示波器60的第一通道端子60b，时钟信号C被提供给数字示波器60的外部时钟端子60a，此外，外部输入的门信号G在第二触发信号发生装置28处被接收，第二触发信号Q2在电平转换的时刻同步产生在通过门信号G指示波形的获取项期间的第一触发信号Q1中的第一触发信号Q1到预定方向，然后通过将Q2输入到数字示波器60的第二通道端子60c中以通过第二触发信号开始采集波形数据 Q2。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004045099A Waveform observation device 有权
公开(公告)号：JP2004045099A
公开(公告)日：2004-02-12
申请号：JP2002200493
申请日：2002-07-09
申请人： Anritsu Corp , アンリツ株式会社
发明人： SUGIMOTO TAKASHI , OTANI AKIHITO
IPC分类号： G01R13/34
摘要： PROBLEM TO BE SOLVED: To cope with a variability in a repetition period and observation resolution of a waveform of a signal to be measured.
SOLUTION: On the basis of the information on the repetition period of the waveform of the signal X to be measured inputted by a parameter input means 26 and the observation resolution, a sampling period having the difference corresponding to the observation resolution for an integral multiple of the repetition period is obtained to output the sampling signal having the period from a signal generator 25. When an operational mode having a plurality of data acquisition periods in which the sampling is continuously performed prescribed times for the signal X to be measured is designated, a value which is longer than that of the data acquisition period and which is a common multiple of the calculated sampling period and the period of the waveform of the signal X to be measured is obtained as an interval value for each data acquisition period, and an output of a counter 31 is supervised. A data acquisition part 21 is controlled so as to start the data acquisition each time when the sampling signal for the interval value is outputted from the signal generator 25.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2015037300A ミリ波変調信号生成装置および生成方法有权
标题翻译：毫米波调制信号发生装置及其生成方法
公开(公告)号：JP2015037300A
公开(公告)日：2015-02-23
申请号：JP2013169176
申请日：2013-08-16
申请人：アンリツ株式会社 , Anritsu Corp
发明人： KIMURA YUKIYASU , FUSE TADAAKI , OTANI AKIHITO
IPC分类号： H04B10/00 , G02F1/01
摘要：【課題】100GHzを超えるミリ波帯の変調信号を容易に且つ精度よく生成する。【解決手段】光サブキャリア生成部21は、光源22から出射されたコヒーレント光Paを第1の光変調器24に与え、ローカル信号発生器23から出力されたミリ波帯の所望出力周波数の1/N(Nは偶数)の周波数fLの電気のローカル信号SLで変調し、その変調で得られた第1の変調光Pbをフィルタ25に入射して周波数差(N・fL)をもつ2つの光サブキャリアを抽出する。抽出した2つの光サブキャリアを第2の光変調器40に与え、変調用信号生成部30で生成された変調用信号Sm(t) で強度変調する。この強度変調で得られた第2の変調光Pdを光電変換器50で光電変換し、ローカル信号SLの周波数のN倍に等しいミリ波の周波数(N・fL)を中心周波数とし、変調用信号Sm(t) で変調された電気のミリ波変調信号Soutを生成する。【選択図】図1
摘要翻译：要解决的问题：容易且准确地产生超过100GHz的毫米波区域的调制信号。解决方案：光子载波产生部分21将从光源22发射的相干光Pa给予第一光调制器24，从本地信号发生器23输出的毫米波区域的期望输出频率的本地信号Sin a 1 / N（N是偶数）频率f使得通过调制所获得的第一调制光Pb过滤到滤波器25，并提取具有频差（N f）的两个光副载波。所提取的两个光副载波被提供给第二光调制器40，并由信号产生部分30产生的用于调制的调制信号Sm（t）进行强度调制。通过该强度调制获得的第二调制光Pd通过光电转换器50进行光电转换，将等于局部信号S N的频率的N倍的毫米波的频率（N f）定义为中心频率，产生用于调制的由信号Sm（t）调制的电毫米波调制信号Sout。

10. 发明专利

JP2010081210A Optical signal generator 有权
标题翻译：光信号发生器
公开(公告)号：JP2010081210A
公开(公告)日：2010-04-08
申请号：JP2008246126
申请日：2008-09-25
申请人： Anritsu Corp , アンリツ株式会社
发明人： OTANI AKIHITO
IPC分类号： H04B10/516 , G02F1/015 , H04B10/2507 , H04B10/508 , H04B10/524 , H04B10/556 , H04B10/61
摘要： PROBLEM TO BE SOLVED: To generate a high-speed optical pattern signal reduced in pattern dependency jitter and reduced in the deterioration of a waveform. SOLUTION: In an optical signal generator 20 having: an optical pattern signal generator 21 which generates an optical pattern signal Pa of an NRZ form synchronized with a clock signal C; and a data form conversion part 30 which reduces the pattern dependency jitter by punching out the optical pattern signal Pa by a clock pulse synchronized with the clock signal C converted into an optical pattern signal Pb of an RZ form, the data form conversion part 30 is constituted of: an optical clock pulse generator 31 which generates an optical clock pulse Pc with a width narrower than one bit width of the optical pattern signal Pa synchronized with the clock signal C; and an EA modulator 32 which receives the optical pattern signal Pa and the optical clock pulse Pc and passes the optical pattern signal Pa only during the optical clock pulse Pc is made incident. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：产生降低图案相关性抖动并降低波形劣化的高速光学图形信号。光信号发生器20具有：光图案信号发生器21，其生成与时钟信号C同步的NRZ形式的光图案信号Pa; 数据形式转换部分30，通过与被转换成RZ形式的光学图形信号Pb的时钟信号C同步的时钟脉冲冲出光学图案信号Pa来减小图案相关性抖动，数据形式转换部分30是该光时钟脉冲发生器31产生光时钟脉冲Pc，该光时钟脉冲Pc的宽度比时钟信号C同步的光模式信号Pa的一位宽; 并且接收光学图案信号Pa和光时钟脉冲Pc并且仅在光时钟脉冲Pc期间通过光图案信号Pa的EA调制器32被入射。版权所有（C）2010，JPO＆INPIT

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