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公开(公告)号：KR101903116B1
公开(公告)日：2018-10-01
申请号：KR1020170170015
申请日：2017-12-12
Applicant: 한국과학기술연구원
IPC: G02B6/12
CPC classification number: G02B6/12 , G02B2006/12035 , G02B2006/12176
Abstract: 광대역근적외선표면플라즈모닉광도파로의제작방법에서, 기판상에제1 패턴을형성한다. 상기제1 패턴이형성된기판상에금속박막을증착시킨다. 상기금속박막이증착된기판으로부터상기제1 패턴을제거하여상기기판상에상기금속박막이증착된제2 패턴만남긴다. 상기제2 패턴이형성된상기기판을가열하여비젖음(dewetting) 현상을유발하여금속나노입자들을형성한다.
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公开(公告)号：KR101660331B1
公开(公告)日：2016-09-29
申请号：KR1020140145401
申请日：2014-10-24
Applicant: 한국과학기술연구원
Abstract: 광신호변조장치는, 광신호를제공하도록구성된제1 광원; 펌프광을제공하도록구성된제2 광원; 상기제1 광원및 상기제2 광원과광학적으로연결되어, 상기펌프광을이용하여상기광신호의크기를증폭하도록구성된증폭광섬유; 상기광신호를변조하도록구성된변조기로서, 상기변조기의일단은상기증폭광섬유에광학적으로연결된, 상기변조기; 및상기변조기의타단에광학적으로연결되어, 상기변조기에의해변조된상기광신호를상기변조기를향해반사하도록구성된거울을포함한다. 상기광신호변조장치에의하면, 광신호의펄스쉐이핑(pulse shaping)을수행함에있어서광신호가변조기를두 번통과하므로변조깊이를두 배가량증가시킬수 있으며, 광신호가증폭광섬유를두 번통과하게되므로증폭광섬유의효율성이증대된다.
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公开(公告)号：KR101358942B1
公开(公告)日：2014-02-07
申请号：KR1020120101498
申请日：2012-09-13
Applicant: 한국과학기술연구원
CPC classification number: G01K11/32 , G01K2011/322 , G01L1/242 , G01N21/4795
Abstract: The present invention may include an optical modulation unit which produces first and second optical signals including a sideband signal by diffracting light from light sources, which modulates the second optical signal using a modulation signal, and which applies the first optical signal and the modulated second signal to both ends of test optical fiber; and an optical detection unit optically connected to the test optical fiber to detect Brillouin scattering light produced by the first and second optical signals. At this moment, the modulation signal has first and second sections alternating with each other according to a first frequency. The first section may be a sinusoidal signal having a second frequency. [Reference numerals] (210) Optical splitter; (225) Signal generator; (530) Phase locking amplifier
Abstract translation: 本发明可以包括光调制单元，其通过衍射来自光源的光产生包括边带信号的第一和第二光信号，该调制单元使用调制信号来调制第二光信号，并且将第一光信号和调制的第二信号 测试光纤两端; 以及光学检测单元，光学连接到测试光纤以检测由第一和第二光信号产生的布里渊散射光。 此时，调制信号具有根据第一频率相互交替的第一和第二部分。 第一部分可以是具有第二频率的正弦信号。 （附图标记）（210）光分路器; （225）信号发生器; （530）锁相放大器
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公开(公告)号：KR1020130099353A
公开(公告)日：2013-09-06
申请号：KR1020120020794
申请日：2012-02-29
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A distributed optical fiber sensor using brillouin gain and loss simultaneous measurement and a sensing method are provided to measure physical deformation and temperature of a large building, a bridge, an aircraft, and a train using a brillouin optical spatial domain interpretation. CONSTITUTION: A distributed optical fiber sensor comprises a test optical fiber, an optical attenuator (40), an optical modulation part (20), and an optical detecting part (50). The test optical fiber comprises a first section and a second section. The optical attenuator optically connects a gap between the first section and the second section. The optical modulation part applies a first optical signal to the test optical fiber through the first section and applies a second optical signal to the test optical fiber through the second section. The optical detecting part detects brillouin scattered light which is generated by the first optical signal and the second optical signal on a first correlation point positioned in the first section and a second correlation point positioned in the second section. [Reference numerals] (210) Optical distribution unit; (225) Signal generation unit; (511) First attenuator; (512) Second attenuator; (530) RF signal distribution unit; (531) First phase-locking amplifier; (532) Second phase-locking amplifier
Abstract translation: 目的：使用布里渊增益和损耗同时测量的分布式光纤传感器和感测方法，用于测量大型建筑物，桥梁，飞机和使用布里渊光学空间域解释的列车的物理变形和温度。 构成：分布式光纤传感器包括测试光纤，光衰减器（40），光调制部件（20）和光检测部件（50）。 测试光纤包括第一部分和第二部分。 光衰减器光学连接第一部分和第二部分之间的间隙。 光调制部通过第一部分向测试光纤施加第一光信号，并通过第二部分向测试光纤施加第二光信号。 光检测部分检测位于第一部分的第一相关点上由第一光信号和第二光信号产生的布里渊散射光和位于第二部分中的第二相关点。 （附图标记）（210）光分配单元; （225）信号发生单元; （511）第一衰减器; （512）第二衰减器; （530）RF信号分配单元; （531）第一锁相放大器; （532）第二锁相放大器
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Patent Agency Ranking16.发明公开금속 선이 삽입된 광섬유를 이용한 광 바이오 센서, 이의 제조 방법 및 이를 이용한 바이오 물질 검출 방법 有权使用具有金属纳米线的光纤的光学生物传感器，其制造方法和使用其检测生物材料的方法
公开(公告)号：KR1020120057884A
公开(公告)日：2012-06-07
申请号：KR1020100119425
申请日：2010-11-29
Applicant: 한국과학기술연구원
IPC: B82B3/00 , G01N21/27 , G01N33/483
CPC classification number: G01N21/272 , B82Y15/00 , G01N21/59 , G01N33/483 , G01N2021/5903
Abstract: PURPOSE: An optical biosensor using optical fibers in which metallic nano-wire is inserted, a manufacturing method thereof, and a biomaterial detecting method using thereof are provided to generate surface plasma resonance from optical fiber and too detect biomaterials which are inserted in a hole. CONSTITUTION: An optical biosensor comprises a core area(10), a cladding (20) which surrounds the core area, a metal nano-wire(21) which is inserted in the cladding region, a hole(22) which is formed in the cladding region. The biomaterial is inserted through the hole. A manufacturing method of the optical biosensor comprises the following steps: preparing a optical fiber base metal which includes the core region and the cladding region; forming a first hole and a second hole in the cladding region; inserting metal within the first hole; and drawning the optical fiber base metal and the metal with optical fiber. A biomass detecting method comprises the following steps: providing optical fiber which includes a core region, a cladding region, a metallic nano-wire, and a hole; inserting biomaterial into the hole; entering optical signals in the core region; generating surface plasmon resonance by interaction of the core region and metallic nano-wire from the optical signal; and measuring the optical signals passed through the core region.
Abstract translation: 目的：提供使用其中插入金属纳米线的光纤的光学生物传感器，其制造方法和使用其的生物材料检测方法，以从光纤产生表面等离子体共振并且也检测插入孔中的生物材料。 构成：光学生物传感器包括芯区域（10），围绕芯区域的包层（20），插入包层区域中的金属纳米线（21），形成在该区域中的孔（22） 包层区。 生物材料通过孔插入。 光学生物传感器的制造方法包括以下步骤：制备包括芯区域和包层区域的光纤母材; 在包层区域形成第一孔和第二孔; 将金属插入第一孔内; 并用光纤拉制光纤母材和金属。 生物质检测方法包括以下步骤：提供包括芯区，包层区，金属纳米线和孔的光纤; 将生物材料插入孔内; 在核心区域进入光信号; 通过核心区域和金属纳米线与光信号的相互作用产生表面等离子体共振; 并测量通过核心区域的光信号。
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公开(公告)号：KR1020120040363A
公开(公告)日：2012-04-27
申请号：KR1020100101730
申请日：2010-10-19
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A dispersing optical fiber sensor and a method for sensing brillouin scattering is provided to measure physical deformation and temperature of a large building, a bridge, an aircraft, a train, etc, by using brillouin optical correlation domain analysis. CONSTITUTION: A dispersing optical fiber sensor and a method for sensing brillouin scattering comprises a test optical fiber(30), a light source unit(10) an optical modulation part, and a light detecting unit(50). The test optical fiber has brillouin transition frequencies different each other, and same lengths, and comprises a plurality of optical fiber optically connected each other. The light source unit output light with intensity modulated to preset frequency. The modulation part emits the light with intensity modulated to preset frequency to both sides of light fiber. The light det4ecting unit detects brillouin scattered light generated by a first optical signal and a second optical signal.
Abstract translation: 目的：通过布里渊光学相关域分析，提供分散光纤传感器和感应布里渊散射的方法，以测量大型建筑物，桥梁，飞机，火车等的物理变形和温度。 构成：分散光纤传感器和用于感测布里渊散射的方法包括测试光纤（30），光源单元（10），光学调制部分和光检测单元（50）。 测试光纤具有彼此不同的布里渊转变频率和相同的长度，并且包括彼此光学连接的多个光纤。 光源单元输出强度调制到预设频率的光。 调制部分将强度调制到预设频率的光发射到光纤的两侧。 光检测单元检测由第一光信号和第二光信号产生的布里渊散射光。
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公开(公告)号：KR1020110005379A
公开(公告)日：2011-01-18
申请号：KR1020090062886
申请日：2009-07-10
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A system for determining optical axes in photonic crystal fiber and a method for determining optical axes using the same are provided to determine birefringence and symmetry axes in photonic crystal fiber using non-destructive and non-contact methods. CONSTITUTION: A system(100) for determining optical axes in photonic crystal fiber includes a light source(110), optical fiber(120), and an analyzer(130). The light source makes light incident in the direction inclined for an axis direction of the optical fiber. The optical fiber comprises a plurality of holes(121a,121b). The analyzer measures spatial strength changes of an interference pattern or a diffused pattern passing the optical fiber. The analyzer determines an optical axis of the optical fiber. The analyzer measures spatial strength changes of an interference pattern or a diffused pattern passing the optical fiber.
Abstract translation: 目的：提供一种用于确定光子晶体光纤中的光轴的系统以及使用该系统确定光轴的方法，以使用非破坏性和非接触方法确定光子晶体光纤中的双折射和对称轴。 构成：用于确定光子晶体光纤中的光轴的系统（100）包括光源（110），光纤（120）和分析器（130）。 光源使光在与光纤的轴线方向倾斜的方向上入射。 光纤包括多个孔（121a，121b）。 分析仪测量干涉图案的空间强度变化或通过光纤的漫射图案。 分析仪确定光纤的光轴。 分析仪测量干涉图案的空间强度变化或通过光纤的漫射图案。
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公开(公告)号：KR1020100081037A
公开(公告)日：2010-07-14
申请号：KR1020090000297
申请日：2009-01-05
Applicant: 한국과학기술연구원
Abstract: PURPOSE: A photonic band gap optical fiber and a manufacturing method thereof are provided to effectively manufacture a band gap optical fiber within a short time by using a photonic crystal structure. CONSTITUTION: A core part(1) is extended in one direction. At least one first tube(2) surrounds the core part. The cross section of the core part in a direction which is vertical to the one direction is located in the coplanar formed with a first axis and a second axis. The length of the first axis direction is less than the length of the second axis direction. The first axis and the second axis are vertical to each other. The cross section of the core part has the elliptic shape. The core part comprises vacuum or the air. Each of at least one first tube comprises quartz or silicon oxide.
Abstract translation: 目的：提供一种光子带隙光纤及其制造方法，通过使用光子晶体结构在短时间内有效地制造带隙光纤。 构成：核心部分（1）在一个方向延伸。 至少一个第一管（2）围绕芯部。 在垂直于一个方向的方向上的芯部分的横截面位于由第一轴和第二轴形成的共面中。 第一轴方向的长度小于第二轴方向的长度。 第一轴和第二轴彼此垂直。 芯部的截面为椭圆形。 核心部分包括真空或空气。 至少一个第一管中的每一个包括石英或氧化硅。
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公开(公告)号：KR100870968B1
公开(公告)日：2008-12-01
申请号：KR1020070029113
申请日：2007-03-26
Applicant: 한국과학기술연구원
IPC: H04B10/2581 , H04J14/02 , H04B10/00
Abstract: 입력 역다중화 포트로 입력된 다중화된 광신호를 파장에 따라 역다중화하여 복수 개의 출력 역다중화 포트로 출력하며, 상기 출력 역다중화 포트들로 입력된 역다중화된 광신호를 다중화하여 상기 입력 역다중화 포트로 출력하는 배열 도파로형 격자; 상기 각 출력 역다중화 포트에 일대일로 연결되어, 역다중화된 상기 광신호를 광스위치를 거쳐 인접한 상기 출력 역다중화 포트에 입력하는 복수 개의 광순환기; 및 상기 각 광순환기 사이에 일대일로 연결되어, 역다중화된 상기 광신호에서 미리 설정된 파장의 채널을 분기 또는 결합하여, 분기 또는 결합된 상기 광신호를 인접한 상기 광순환기에 전달하는 복수 개의 광스위치를 포함하는 양방향 광 분기 및 결합 다중화기가 개시된다. 본 발명의 실시예에 따른 광 분기 및 결합 다중화기는 구현이 간단하고 경제적이며, 누화 문제를 해결할 수 있고, 종래 기술에 비해 사용 가능한 채널 수가 두 배로 늘어나는 이점이 있다.
광분기, 광결합, 다중화기, 파장분할다중, 양방향
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