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    • 1. 发明公开
    • 분산 보상 모듈을 갖는 반사율 측정 장치
    • 用于测量具有分散补偿模块的反射率的装置
    • KR1020010056459A
    • 2001-07-04
    • KR1019990057922
    • 1999-12-15
    • 주식회사 케이티
    • 윤경모이상구채창준
    • G01M11/02
    • G01M11/3163G01J1/02G01M11/3172
    • PURPOSE: An apparatus for measuring reflectivity having dispersion compensation module is provided to accurately measure reflectivity in a connector by compensating pulse spread caused by optical fiber dispersion. CONSTITUTION: An apparatus for measuring reflectivity having dispersion compensation module includes a pulse generator(104) generating pulse in response to a pulse generation control signal, a light source(106) generating a pulse light modulated by the generated pulse, a directional coupler(108) transmitting the generated pulse light to a connector connecting to an OFD of a remote place and receiving pulse reflected from the connector, an optical rotator(112) controlling paths of a reflected pulse provided from the directional coupler and dispersion-compensated reflected pulse, an optical fiber grid(114) compensating pulse spread in the reflected pulse accompanying pulse spread caused by optical fiber dispersion and transmitting the dispersion-compensated reflected pulse to the optical rotator, an optical detector(116) detecting the analog compensated reflected pulse transmitted from the optical rotator, an A/D converter(120) converting the analog compensated reflected pulse into a digital signal, and a dispersion compensation module formed with an element displaying the Analog-to-digital converted compensated reflected pulse on a monitor(122) as a graph.
    • 目的:提供一种用于测量具有色散补偿模块的反射率的装置,通过补偿由光纤色散引起的脉冲扩展来精确测量连接器中的反射率。 一种用于测量具有色散补偿模块的反射率的装置,包括响应于脉冲发生控制信号产生脉冲的脉冲发生器(104),产生由产生的脉冲调制的脉冲光的光源(106),定向耦合器 将产生的脉冲光传输到连接到远程位置的OFD的连接器并接收从连接器反射的脉冲的连接器;控制从定向耦合器提供的反射脉冲的路径和色散补偿的反射脉冲的旋光器(112), 光纤网格(114)补偿由光纤色散引起的脉冲扩展的反射脉冲中的脉冲扩展,并将色散补偿的反射脉冲传输到光学旋转器;光学检测器(116),检测从光学传输的模拟补偿的反射脉冲 旋转器,将模拟补偿的反射脉冲转换成挖掘的A / D转换器(120) 以及色散补偿模块,其形成有在显示器(122)上显示模数转换补偿反射脉冲作为图形的元件。
    • 3. 发明公开
    • 시변 장애 위치의 값을 구하는 장치 및 방법
    • 评估时变不平衡的位置
    • KR1020070011418A
    • 2007-01-24
    • KR1020067022655
    • 2005-03-31
    • 브리티쉬 텔리커뮤니케이션즈 파블릭 리미티드 캄퍼니
    • 힐리피터시코라에드문드서지오로버트
    • G01M11/00
    • G01D5/35303G01M11/3172
    • The present invention relates to a method of and apparatus for evaluating the position of a disturbance on an optical link, in particular where the disturbance is a time-varying disturbance. An optical time domain reflectometry technique in which a series of low coherence test pulses is launched into an the optical link, and the backscattered return signal is monitored. The test pulses pass through an unbalanced Mach Zhender interferometer with the result that for each test pulse, a pair of time-displaced pulse copies is launched onto the link. The backscattered return signal is passed through the same interferometer, which causes the pulse copes of each pair to become realigned and to interfere with one another. A time-varying disturbance is likely to affect each pulse copy of a pair differently. As a result, an abnormality such as a step is likely occur in the backscattered signal. From the time position of an abnormality, the distance of the disturbance responsible is evaluated. ® KIPO & WIPO 2007
    • 本发明涉及一种用于评估光链路上的干扰位置的方法和装置,特别是在干扰是时变干扰的情况下。 光学时域反射技术,其中将一系列低相干测试脉冲发射到光学链路中,并且反向散射返回信号被监测。 测试脉冲通过不平衡的Mach Zhender干涉仪,结果是对于每个测试脉冲,一对时间位移脉冲副本被发送到链路上。 反向散射返回信号通过相同的干涉仪,这导致每对的脉冲对重新对准并彼此干扰。 时变干扰可能会影响一对的每个脉冲副本。 结果,在后向散射信号中可能发生诸如台阶的异常。 从异常的时间位置来评估扰动的距离。 ®KIPO&WIPO 2007
    • 4. 发明公开
    • 접속되는 광 멀티코어 섬유의 간섭 정렬
    • 连接的光纤多芯光纤的干涉对准
    • KR1020170132708A
    • 2017-12-04
    • KR1020177011635
    • 2016-03-24
    • 인튜어티브 서지컬 오퍼레이션즈 인코포레이티드
    • 프로그갓마크산본에릭라크로익스제프리
    • G02B6/38G02B6/02
    • G02B6/3843G01B11/272G01M11/3172G02B6/02042G02B6/02076G02B6/3877G02B6/3881
    • 감지멀티코어광섬유내의하나이상의코어가조사멀티코어광섬유내의상응하는하나이상의코어와쌍을이루는상태에서제1 배향으로의접속을위해상기감지멀티코어광섬유의단부와상기조사멀티코어광섬유의단부를근접시킨다. 적어도하나의코어쌍을조사하기위해그리고상기제1 배향으로의상기코어쌍에대한정렬의정도를나타내는제1 반사값을결정하기위해광학간섭계가사용된다. 상기광섬유의단부사이의상대위치가제2 배향으로조정된다. 상기코어쌍을조사하기위해그리고상기제2 배향으로의상기코어쌍에대한정렬의정도를나타내는제2 반사값을결정하기위해간섭계가사용된다. 상기제1 반사값은상기제2 반사값과비교되고, 상기비교에기초하여상기감지광섬유및 조사광섬유를접속하기위한정렬배향이식별된다.
    • 在相应的至少一个芯和一对端部和用于连接到所述第一定向的状态下,照射多芯光纤的端部的检测多芯光纤的接近照射多芯的光纤芯检测多核的一个或多个形成在所述光纤 从而。 使用光学干涉仪来照射至少一对芯并且确定指示第一取向中的一对芯的对准程度的第一反射值。 光纤端部之间的相对位置被调整到第二方位。 使用干涉仪来照射芯对并确定指示芯对与第二取向的对准程度的第二反射值。 将第一反射值与第二反射值进行比较,并且基于比较来识别用于连接感测光纤和照射光纤的对准取向。
    • 8. 发明授权
    • 다중모드 광섬유의 모드간 분산의 측정장치 및 그 방법
    • 多模光纤的差模分散测定装置及其方法
    • KR101449296B1
    • 2014-10-13
    • KR1020130064953
    • 2013-06-05
    • 조선대학교산학협력단
    • 안태정송일신김찬영
    • G01J3/02G02B6/00
    • G02B6/0288G01J3/02G01M11/3172H04J14/02
    • The present invention relates to an apparatus for measuring inter-mode dispersion of a multimode fiber, which can improve reliability of the measurement result by detecting a point logically and accurately where inter-mode dispersion of the multimode fiber occurs, and a method thereof. According to the present invention, the apparatus for measuring inter-mode dispersion of a multimode fiber includes: a light source which emits light with a continuous wavelength in an area adjacent to a wavelength for communications; an optical circulator which receives light from the light source, transmits the light to an end of the multimode fiber, receives light reflected by the other end of the multimode fiber, and transmits the light to spectrum analysis equipment; the multimode fiber which has the one end receiving light from the light source via the optical circulator, and the other end reflecting the light; a wavelength division optical detector which receives light reflected by the other end of the multimode fiber via the optical circulator and measures the intensity of the light according to each wavelength of the light; and a phase calculator which performs Fourier transform for spectrum of light obtained by the wavelength division optical detector to calculate the phase of the Fourier transform value.
    • 本发明涉及一种用于测量多模光纤的模间色散的装置及其方法,该装置可以通过在多模光纤的模式间色散发生时逻辑地和精确地检测点来提高测量结果的可靠性。 根据本发明,用于测量多模光纤的模间色散的装置包括:在与用于通信的波长相邻的区域中发射具有连续波长的光的光源; 从光源接收光的光循环器将光传输到多模光纤的一端,接收由多模光纤的另一端反射的光,并将光传输到光谱分析设备; 该多模光纤具有通过光循环器从光源接收光的一端,另一端反射光; 波长分割光学检测器,其经由所述光循环器接收由所述多模光纤的另一端反射的光,并根据所述光的每个波长测量所述光的强度; 以及相位计算器,对由波分解光检测器获得的光谱进行傅立叶变换,以计算傅里叶变换值的相位。