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1. 发明专利

JP2014042010A Method for driving wavelength-swept light source 审中-公开
标题翻译：驱动波长光源的方法
公开(公告)号：JP2014042010A
公开(公告)日：2014-03-06
申请号：JP2013151174
申请日：2013-07-20
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA TOMOHIRO
IPC分类号： H01S3/136 , G01N21/01 , G01N21/17 , H01S3/00 , H01S3/10 , H01S5/14
CPC分类号： A61B5/0066 , G01B9/02004 , G01B9/02067 , G01B9/02091 , H01S3/10038 , H01S3/106 , H01S3/1068 , H01S3/107 , H01S5/06213 , H01S5/141
摘要： PROBLEM TO BE SOLVED: To suppress a variation in the coherence length of a wavelength-swept light source, the variation being caused during wavelength sweeping.SOLUTION: A wavelength-swept light source includes, at the inside of an optical resonator, an optical gain medium for emitting light, a wavelength selection element for selecting a wavelength of light emitted from the optical resonator, and an optical intensity modulation element for modulating intensity of light within the optical resonator, and is configured to sweep and change the wavelength of the emitted light. In a method for driving the wavelength-swept light source, the optical intensity modulation element and the wavelength selection element are driven in synchronization with each other to keep an instantaneous spectral width of the emitted light constant.
摘要翻译：要解决的问题：为了抑制波长扫描光源的相干长度的变化，在波长扫描期间产生变化。解决方案：波长扫描光源在光学谐振器的内部包括光学增益用于发光的介质，用于选择从光谐振器发射的光的波长的波长选择元件和用于调制光谐振器内的光强度的光强度调制元件，并且被配置为扫描并改变发射光的波长。在用于驱动波长扫描光源的方法中，光强度调制元件和波长选择元件彼此同步地被驱动，以保持发射光的瞬时光谱宽度恒定。

2. 发明专利

JP2013041860A Light source device, and optical tomographic image capturing device having the same 审中-公开
标题翻译：光源装置和具有该光源的光学图像拍摄装置
公开(公告)号：JP2013041860A
公开(公告)日：2013-02-28
申请号：JP2011175873
申请日：2011-08-11
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA TOMOHIRO
IPC分类号： H01S5/06 , G01N21/17
摘要： PROBLEM TO BE SOLVED: To provide a light source device having a low-cost and easy-to-fabricate structure and capable of narrowing an oscillation line width, as a light source device having a variable oscillation wavelength.SOLUTION: The light source device has: a collimator lens 102 collimating outgoing light of semiconductor optical amplification medium; a diffraction grating 103 giving the collimated light flux an angle dispersion different for a wavelength; a condenser lens 104 collecting the light flux to which the angle dispersion is given to a position different for the wavelength; and wavelength selection means having reflection parts or transmission parts that scan in a focal plane by the condenser lens and reflect or transmit light having a part of wavelengths. In the wavelength selection means, the reflection parts or the transmission parts formed to have such a uniform width having an optical power are arranged on a rotatable circular plate-shaped substrate. In accordance with rotation of the circular plate-shaped substrate, a wavelength of the outgoing light reflected or transmitted by the reflection parts or the transmission parts is changed to a light collection spot by the condenser lens that is provided on a surface of the circular plate-shaped substrate, and thereby, the light source device is made operate as a wavelength sweeping light source.
摘要翻译：解决的问题：提供具有低成本且易于制造的结构并且能够使振荡线宽度变窄的光源装置，作为具有可变振荡波长的光源装置。解决方案：光源装置具有：准直透镜102准直半导体光放大介质的出射光; 衍射光栅103，其给出准直光束对于波长不同的角度色散; 将聚光透镜104收集角度分散的光束到不同于波长的位置; 以及波长选择装置，其具有通过聚光透镜在焦平面上扫描并反射或透射具有一部分波长的光的反射部分或透射部分。在波长选择装置中，形成为具有具有光焦度的均匀宽度的反射部件或透射部件布置在可旋转的圆形板状基板上。根据圆板状基板的旋转，由反射部或透射部反射或透射的出射光的波长通过设置在圆板的表面上的聚光透镜变换为光采集点形状的基板，从而使光源装置作为波长扫描光源工作。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012033771A Light source device and imaging apparatus using the same 有权
标题翻译：光源装置和使用它的成像装置
公开(公告)号：JP2012033771A
公开(公告)日：2012-02-16
申请号：JP2010172930
申请日：2010-07-30
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA TOMOHIRO
IPC分类号： H01S3/113 , H01S3/00 , H01S5/14
CPC分类号： G01B9/02091 , G01B9/02004 , H01S3/06791 , H01S3/08004 , H01S3/08059 , H01S3/10084 , H01S3/113 , H01S5/50 , H01S2301/04
摘要： PROBLEM TO BE SOLVED: To provide a light source device in which narrowing of oscillation spectral line width and high speed wavelength sweeping can be achieved.SOLUTION: In a light source device comprising an optical resonator which includes an optical amplification medium and an optical switch, transmittance or reflectivity changes by receiving irradiation of optical pulses emitted from a light irradiation source constituted of a variable wavelength light source. Amplified light is emitted from the optical resonator according to the center wavelength of an optical pulse emitted from the variable wavelength light source. A relation (L (nL)/c) between the recovery time τ of changed transmittance or reflectivity of the optical switch and L are defined.
摘要翻译：要解决的问题：提供可以实现振荡谱线宽度和高速波长扫描变窄的光源装置。解决方案：在包括光学放大介质和光学开关的光学谐振器的光源装置中，通过接收从由可变波长光源构成的光照射源发射的光脉冲的照射，透射率或反射率发生变化。根据从可变波长光源发射的光脉冲的中心波长，从光谐振器发射放大的光。光谐振器的长度L和光脉冲的重复频率f之间的关系（L （nL）/ c）之间的关系（τ>（nL）/ c）定义了光开关和L的反射率。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011258828A Light source device and imaging apparatus using the same 有权
标题翻译：光源装置和使用它的成像装置
公开(公告)号：JP2011258828A
公开(公告)日：2011-12-22
申请号：JP2010133293
申请日：2010-06-10
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA TOMOHIRO , FURUSAWA KENTARO
IPC分类号： H01S3/082 , A61B3/10 , A61B10/00 , G01N21/01 , G01N21/17 , G01N21/39 , H01S5/065 , H01S5/50
CPC分类号： G01B9/02007 , G01B9/02004 , G01B9/02027 , G01B9/02091 , H01S3/08013 , H01S3/083 , H01S3/10046 , H01S5/0085 , H01S5/0656 , H01S5/0657 , H01S5/06835 , H01S5/14 , H01S5/4012 , H01S5/4087
摘要： PROBLEM TO BE SOLVED: To provide a light source device capable of performing wavelength sweep over a wide band at a high speed.SOLUTION: A light source device comprises: a laser oscillator provided with a first optical resonator; a plurality of second optical resonators having input parts connected in parallel with each other to the first optical resonator; light extraction parts which extract light via output parts of the second optical resonators; and a multiplexing part which multiplexes the light that has passed through the light extraction parts. The light source device emits light that has passed through the plurality of second optical resonators from the multiplexing part. An optical member with refractive index dispersion and an optical amplification medium are disposed in each of the plurality of second optical resonators. The optical amplification media have maximum gain wavelengths that are different from each other.
摘要翻译：要解决的问题：提供能够高速地在宽带上进行波长扫描的光源装置。光源装置包括：具有第一光谐振器的激光振荡器; 多个第二光谐振器，其具有彼此并联连接到所述第一光谐振器的输入部; 光提取部，其通过第二光谐振器的输出部分提取光; 以及多路复用已经通过光提取部分的光的多路复用部分。光源装置从复用部发射已经穿过多个第二光谐振器的光。具有折射率色散的光学构件和光学放大介质设置在多个第二光学谐振器的每一个中。光放大介质具有彼此不同的最大增益波长。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2011196771A Optical coherence tomographic imaging system 有权
标题翻译：光学相干图像成像系统
公开(公告)号：JP2011196771A
公开(公告)日：2011-10-06
申请号：JP2010062616
申请日：2010-03-18
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA TOMOHIRO , FUJII HIDEKAZU
IPC分类号： G01N21/17
摘要： PROBLEM TO BE SOLVED: To provide an OCT system which can stably obtain an excellent image by eliminating the lowering of the positional precision of a tomographic image produced when the waveform sweep of a light source cannot be stably performed with high precision.SOLUTION: In the optical coherence tomographic imaging system which includes: a light source part which can sweep oscillation frequency, a measuring part for irradiating a measuring target with light; a reference part for emitting light from the light source part for reference; an interference part for allowing the reflected light from the measuring part to interfere with the reflected light from the reference part; a light detection part for detecting an interference light; and a signal processing part for performing signal processing for obtaining the tomographic image. The signal processing part detects beat frequency to perform the signal processing and includes a sweep speed detection part for detecting the sweep speed of the oscillation frequency connected to the light source part to supply the signal obtained in the sweep speed detection part to the signal processing part.
摘要翻译：要解决的问题：提供一种OCT系统，其可以通过消除当光源的波形扫描无法以高精度稳定地执行时产生的断层图像的位置精度的降低来稳定地获得优异的图像。解决方案：在光学相干断层成像系统，其包括：能够扫描振荡频率的光源部，用于用光照射测量对象的测量部; 用于从光源部分发射光的参考部分用于参考; 干涉部分，用于允许来自测量部分的反射光干涉来自参考部分的反射光; 用于检测干涉光的光检测部分; 以及用于执行用于获得断层图像的信号处理的信号处理部分。信号处理部分检测拍频以执行信号处理，并且包括扫描速度检测部分，用于检测连接到光源部分的振荡频率的扫描速度，以将在扫描速度检测部分中获得的信号提供给信号处理部分。

6. 发明专利

JP2010009025A Optical filter 有权
标题翻译：光学过滤器
公开(公告)号：JP2010009025A
公开(公告)日：2010-01-14
申请号：JP2009118978
申请日：2009-05-15
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA TOMOHIRO , KURODA AKIRA
IPC分类号： G02B5/20 , G02B5/00
CPC分类号： G02B5/204 , B82Y20/00 , G02B5/008
摘要： PROBLEM TO BE SOLVED: To increase the flexibility of optical characteristics of an optical filter, using a metal thin film, and to enhance the transmittance thereof.
SOLUTION: An optical filter includes a light-shielding conductive layer, provided with a plurality of apertures on a substrate surface that selectively transmits light of a first wavelength and a dielectric layer in contact with the conductive layer. The size of the apertures is a size equal to or less than the first wavelength, and the ratio of the surface area of the conductive layer to the surface area of the substrate surface is within a range of 36% or more to 74% or less. A transmissivity of the first wavelength is increased by surface plasmons induced in the apertures by light falling on the conductive layer.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了增加使用金属薄膜的滤光器的光学特性的灵活性，并提高其透射率。解决方案：光学滤波器包括遮光导电层，其在基板表面上设置有选择性地透射与导电层接触的第一波长的光和电介质层的多个孔。孔的尺寸为等于或小于第一波长的尺寸，并且导电层的表面积与基板表面的表面积之比在36％以上至74％以下的范围内。第一波长的透射率通过落在导电层上的光在孔中引起的表面等离子体激元而增加。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2008309629A Sensing method and sensing apparatus 有权
标题翻译：感应方法和感应装置
公开(公告)号：JP2008309629A
公开(公告)日：2008-12-25
申请号：JP2007157574
申请日：2007-06-14
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA TOMOHIRO , KURODA AKIRA
IPC分类号： G01N21/27
CPC分类号： G01N21/554
摘要： PROBLEM TO BE SOLVED: To provide a sensing method improved in sensitivity and precision.
SOLUTION: A conductive fine structure 203 is irradiated with light from either one of a waveguide substrate 201 and a light transmitting medium 250 so that the propagation of light from either one of the waveguide substrate 201 and the light transmitting medium 250 to the other becomes possible in the case where the light is passed through the conductive fine structure 203. The spectrum of the light which is passed through the conductive fine structure 203 to be propagated to the other of the irradiated light is detected. The concentration of an antigen is then detected on the basis of the detected spectrum.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供灵敏度和精度提高的感测方法。解决方案：导电精细结构203用波导衬底201和光传输介质250中的任一个的光照射，使得从波导衬底201和透光介质250中的任一个的光的传播到在光通过导电性微细结构203的情况下，也可以进行其他的检测。通过导电性微细结构203的光被传播到照射光中的另一方的光的检测。然后基于检测到的光谱检测抗原的浓度。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2007192806A Substrate for target material detection element, target material detection element, device and method of detecting target material using it, and kit therefor 审中-公开
标题翻译：目标材料检测元件的基板，目标材料检测元件，使用其检测目标材料的装置和方法及其套件
公开(公告)号：JP2007192806A
公开(公告)日：2007-08-02
申请号：JP2006320305
申请日：2006-11-28
申请人： Canon Inc , キヤノン株式会社
发明人： YAMAMICHI JUNTA , SHIOZUKA HIDENORI , NISHIUMA SATOSHI , YAMADA TOMOHIRO , OGINO MASAYA , KURODA AKIRA
IPC分类号： G01N21/27 , G01N33/543 , G01N35/08 , G01N37/00
CPC分类号： G01N21/553
摘要： PROBLEM TO BE SOLVED: To further improve performance of a chemical sensor for capturing a target material.
SOLUTION: A target material detection element, which is an element used for detecting the target material in a specimen by utilizing plasmon resonance, is manufactured by providing a metal pattern layer on an underlayer having a similar refractive index to water, and by immobilizing a target material capturing body on the metal pattern layer.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：进一步提高用于捕获目标材料的化学传感器的性能。解决方案：通过利用等离子体共振来检测样品中的目标材料的元素的目标材料检测元件是通过在具有与水相似的折射率的底层上提供金属图案层，并且通过将目标材料捕获体固定在金属图案层上。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2007064968A Target material sensing element and target material sensing method using it, sensing device and kit therefor 有权
标题翻译：目标材料感测元件和目标材料感测方法，使用它，传感装置和套件
公开(公告)号：JP2007064968A
公开(公告)日：2007-03-15
申请号：JP2006208777
申请日：2006-07-31
申请人： Canon Inc , キヤノン株式会社
发明人： YAMAMICHI JUNTA , SHIOZUKA HIDENORI , YAMADA TOMOHIRO
IPC分类号： G01N21/27
摘要： PROBLEM TO BE SOLVED: To provide an optimum target material sensing element for detecting trace of a target material in samples, and to provide a target material sensing method using it, and a detecting device and a kit therefor.
SOLUTION: This element is provided with a substrate, a structure arranged on the surface of the substrate by using metals in seclusion, and a target material capture allocated on surface of the structure to detect a target material utilizing localized plasmon resonance, where the above structure is designed as at least two metal layers are laminated with non-conductive layer in between.
COPYRIGHT: (C)2007,JPO&INPIT

10. 发明专利

JP2006309918A Information recording and reproducing apparatus, information recording medium and information recording apparatus 有权
标题翻译：信息记录和再现装置，信息记录介质和信息记录装置
公开(公告)号：JP2006309918A
公开(公告)日：2006-11-09
申请号：JP2006018478
申请日：2006-01-27
申请人： Canon Inc , キヤノン株式会社
发明人： MIZUTANI NATSUHIKO , YAMADA TOMOHIRO
IPC分类号： G11B7/12 , G11B7/004 , G11B7/24
CPC分类号： G11B11/10536 , G11B5/6011 , G11B7/00454 , G11B7/122 , G11B7/1387 , G11B11/10543 , G11B11/10554 , G11B11/1058 , G11B2005/0021
摘要： PROBLEM TO BE SOLVED: To provide information recording and reproducing apparatus wherein intensity of near field light can be increased and the near field light can be more efficiently utilized and to provide an information recording medium and an information recording apparatus. SOLUTION: The information recording and reproducing apparatus is constituted by a recording medium 12 including at least a substrate, a reflection layer 105 disposed on the substrate, and a recording layer disposed so as to interpose the reflection layer between the substrate and the recording layer and a near-field optical head 11, disposed close to the recording medium, for irradiating the recording medium with near-field light to effect recording and reproduction of information. The near-field optical head includes a light-blocking metal film 102 which includes a dielectric base material provided with a small opening having a width of a wavelength size or below and which is disposed opposite to the reflection layer disposed on the substrate so that the light-blocking metal film and the reflection layer constitute an optical resonator to increase intensity of the near-field light. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供信息记录和再现装置，其中可以增加近场光的强度并且可以更有效地利用近场光，并提供信息记录介质和信息记录装置。解决方案：信息记录和再现装置由至少包括基板，设置在基板上的反射层105和设置成将反射层插入在基板和基板之间的记录层的记录介质12构成。记录层和靠近记录介质设置的近场光学头11，用于用近场光照射记录介质以进行信息的记录和再现。近场光学头包括遮光金属膜102，该遮光金属膜102包括具有波长大小或者更小的宽度的小开口并且设置在与设置在基板上的反射层相对的介电基底材料，遮光金属膜和反射层构成光谐振器以增加近场光的强度。版权所有（C）2007，JPO＆INPIT

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