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1. 发明专利

JP2013201464A Variable frequency signal generator 有权
标题翻译：可变频率信号发生器
公开(公告)号：JP2013201464A
公开(公告)日：2013-10-03
申请号：JP2013145682
申请日：2013-07-11
申请人： Korea Institute Of Science And Technology , コリア・インスティテュート・オブ・サイエンス・アンド・テクノロジー
发明人： LEE KWAN IL , LEE SANG BAE , KIM SUN DUCK
IPC分类号： H01S3/106 , G02B26/00 , H01S3/00 , H01S3/083 , H01S3/10
CPC分类号： H01S5/14 , H01S3/1053 , H01S5/1071 , H01S5/1092 , H01S5/141 , H01S5/146
摘要： PROBLEM TO BE SOLVED: To provide a variable frequency signal generator and a variable frequency signal generating method which provide a light source of two wavelengths in which an interval between oscillation wavelengths changes due to strain, and creates a signal of a frequency corresponding to the interval between the oscillation wavelengths by beating two light signals of respective wavelengths.SOLUTION: A variable frequency signal generator includes: a light source creating a light signal; a resonator into which the light signal by the light source is input; a structure deformable due to strain; a first optical fiber grid which is disposed on the structure, is transparent to the light signal in a wavelength band including a first wavelength and a second wavelength, and is optically connected to the resonator; a second optical fiber grid which is optically connected to the resonator and filters out the light signal of the first wavelength and the second wavelength; and a photoelectric transducer which is optically connected to the resonator and creates a signal of a frequency corresponding to an interval between the first wavelength and the second wavelength. The interval between the first wavelength and the second wavelength accords to a degree of deformation of the structure.
摘要翻译：要解决的问题：提供一种可变频率信号发生器和可变频率信号产生方法，其提供两个波长的光源，其中振荡波长之间的间隔由于应变而变化，并且产生与间隔相对应的频率的信号通过拍摄各个波长的两个光信号而在振荡波长之间。可变频率信号发生器包括：产生光信号的光源; 由光源输入光信号的谐振器; 由于应变而变形的结构; 布置在结构上的第一光纤格栅对于包括第一波长和第二波长的波长带中的光信号是透明的，并且被光学地连接到谐振器; 光纤连接到所述谐振器并滤出所述第一波长和所述第二波长的光信号的第二光纤格栅; 以及光电连接到谐振器并产生与第一波长和第二波长之间的间隔相对应的频率的信号的光电换能器。第一波长和第二波长之间的间隔与结构的变形程度一致。

2. 发明专利

JP2010157685A Apparatus and method for generating variable frequency signal 有权
标题翻译：用于生成可变频率信号的装置和方法
公开(公告)号：JP2010157685A
公开(公告)日：2010-07-15
申请号：JP2009207064
申请日：2009-09-08
申请人： Korea Inst Of Science & Technology , コリアインスティテュートオブサイエンスアンドテクノロジー
发明人： LEE KWAN IL , LEE SANG BAE , KIM SUN DUCK
IPC分类号： H01S3/083 , G02B26/00 , H01S3/10
CPC分类号： H01S5/14 , H01S3/1053 , H01S5/1071 , H01S5/1092 , H01S5/141 , H01S5/146
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for generating variable frequency signals that achieves a light source for two wavelengths whose interval between oscillation wavelengths varies by strain and generates a signal with any frequency corresponding to the interval between the oscillation wavelengths by beating optical signals with two wavelengths, and to provide a method therefor.
SOLUTION: The apparatus for generating variable frequency signals includes, a light source, one or more resonators, a structure that can be modified by strain, first and second optical fiber grids, and a photoelectric converter. The first and second optical fiber grids filter optical signals of the first and second wavelengths among optical signals oscillating in the resonators. The first and second optical fiber grids may be a reflection type optical fiber grid to be provided onto the structure. In addition, the first optical fiber grid may be a phase transition optical fiber grid to be provided onto the structure, and the second optical fiber grid may be a reflection type optical fiber grid connected optically with the resonator. The photoelectric converter can generate a signal with any frequency corresponding to the interval between the first and second wavelengths.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于产生可变频率信号的装置，其实现了振荡波长之间的间隔随着应变而变化的两个波长的光源，并且通过跳动产生具有与振荡波长之间的间隔对应的任何频率的信号具有两个波长的光信号，并提供其方法。解决方案：用于产生可变频率信号的装置包括光源，一个或多个谐振器，可由应变，第一和第二光纤网格以及光电转换器修改的结构。第一和第二光纤网格滤波在谐振器中振荡的光信号中的第一和第二波长的光信号。第一和第二光纤网格可以是要提供到结构上的反射型光纤网格。此外，第一光纤格栅可以是要提供到结构上的相变光纤格栅，并且第二光纤格栅可以是与谐振器光学连接的反射型光纤格栅。光电转换器可以产生具有对应于第一和第二波长之间的间隔的任何频率的信号。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2007189190A Continuous wave supercontinuum laser light source resonator and medical diagnostic apparatus using the same 审中-公开
标题翻译：连续波超超激光光源谐振器和医疗诊断装置
公开(公告)号：JP2007189190A
公开(公告)日：2007-07-26
申请号：JP2006273695
申请日：2006-10-05
申请人： Korea Inst Of Science & Technology , コリアインスティテュートオブサイエンスアンドテクノロジー
发明人： LEE JUN HAN , HAN YOUNG GEUN , LEE SANG BAE , KIM CHANG SEOK
IPC分类号： H01S3/06 , A61B10/00 , G01N21/01 , G01N21/17
CPC分类号： H01S3/067 , H01S3/06791 , H01S3/108 , H01S3/1608
摘要： PROBLEM TO BE SOLVED: To provide a continuous wave supercontinuum laser source resonator using low-priced multimode semiconductor lasers as pumping light and applying a rare-earth doped optical fiber and a Highly Nonlinear Dispersion Shifted Fiber to a ring resonator structure to embody a continuous wave supercontinuum light source, and a medical diagnostic apparatus using the same. SOLUTION: The continuous wave supercontinuum laser source resonator is provided with a pump combiner for inputting pumping light into the resonator; a rare-earth doped optical fiber for receiving and converting the pumping light into seed light of a predetermined wavelength band; the Highly Nonlinear Dispersion Shifted Fiber for converting the light converted by the rare-earth doped optical fiber, and oscillating in the resonator into the continuous wave supercontinuum laser source; and a coupler for outputting the supercontinuum laser source generated from the Highly Nonlinear Dispersion Shifted Fiber. Accordingly, it is possible to embody a simple and inexpensive continuous wave supercontinuum laser source. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用低价多模半导体激光器作为泵浦光并将稀土掺杂光纤和高非线性色散移位光纤应用于环形谐振器结构的连续波超连续谱激光源谐振器，以体现连续波超连续光源，以及使用其的医疗诊断装置。解决方案：连续波超连续谱激光源谐振器设置有用于将泵浦光输入谐振器的泵组合器; 用于接收并将泵浦光转换成预定波长带的种子光的稀土掺杂光纤; 用于转换由稀土掺杂光纤转换的光的高非线性色散移位光纤，并在谐振器中振荡成连续波超连续谱激光源; 以及用于输出从高非线性色散移位光纤产生的超连续光谱激光源的耦合器。因此，可以体现简单廉价的连续波超连续谱激光源。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006163344A Tunable multichannel filter 有权
标题翻译： TUNABLE多通道滤波器
公开(公告)号：JP2006163344A
公开(公告)日：2006-06-22
申请号：JP2005183352
申请日：2005-06-23
申请人： Korea Inst Of Science & Technology , コリアインスティテュートオブサイエンスアンドテクノロジー
发明人： HAN YOUNG GEUN , KIM SANG HYUCK , LEE SANG BAE
IPC分类号： G02F1/01 , G02B5/30 , G02B6/293
CPC分类号： G02B6/274 , G02B6/2766 , G02B6/29332 , G02B6/29395
摘要： PROBLEM TO BE SOLVED: To provide a tunable multichannel filter wherein performance stabilization can be attained even when output is changed by susceptibility to external environment or change of a polarization state of an input signal and channel spacing and a wavelength location can be simultaneously adjusted. SOLUTION: The functional tunable multichannel filter includes one or more polarization maintaining optical fibers 10, polarization controllers 20 and 30 (λ/2, λ/4), and a 3 dB coupler 40. Additionally, the functional tunable multichannel filter is configured to tune channel spacing by adjusting combination of an effective refractive index and an effective length of the polarization maintaining optical fiber 10 utilizing the polarization controller 20 (λ/2) and to simultaneously change the wavelength location utilizing the polarization controller 30 (λ/4). COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可调谐多通道滤波器，其中即使当输出由于对外部环境的敏感性而改变或者输入信号的偏振状态的改变也可以获得性能稳定，并且可以同时地使用波长位置调整。解决方案：功能可调多通道滤波器包括一个或多个保偏光纤10，偏振控制器20和30（λ/ 2，λ/ 4）和3dB耦合器40.此外，功能可调谐多通道滤波器是配置为通过利用偏振控制器20（λ/ 2）调整偏振保持光纤10的有效折射率和有效长度的组合来调谐声道间隔，并且同时利用偏振控制器30改变波长位置（λ/ 4 ）。版权所有（C）2006，JPO＆NCIPI

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