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    OPTICAL PULSE SOURCE DEVICE
    3.
    发明申请
    OPTICAL PULSE SOURCE DEVICE 审中-公开
    光学脉冲源设备

    公开(公告)号：US20100195193A1

    公开(公告)日：2010-08-05

    申请号：US12678391

    申请日：2009-03-24

    申请人： Kenji Taira ,  Hiroyoshi Yajima

    发明人： Kenji Taira ,  Hiroyoshi Yajima

    IPC分类号： H01S3/13

    CPC分类号： H01S5/183 ,  H01S3/06758 ,  H01S3/10023 ,  H01S3/1003 ,  H01S3/1618 ,  H01S5/4006 ,  H01S2301/02

    摘要： An optical pulse source device comprising an optical pulse source (10) emitting an optical pulse train, optical amplifying means (20, 40) amplifying the optical pulse train and a saturable absorber device (30) removing noise floor in the optical pulse train. There is provided an optical pulse source device for multiphoton imaging system being of small size and high stability and capable of improving the SNR by its relatively simple configuration without using a synchronous circuit or an active time gate.

    摘要翻译： 一种光脉冲源装置，包括发射光脉冲串的光脉冲源（10），放大光脉冲串的光放大装置（20,40）和去除光脉冲列中的本底噪声的可饱和吸收装置（30）。 提供了具有小尺寸和高稳定性的多光子成像系统的光脉冲源装置，并且能够通过其相对简单的配置在不使用同步电路或活动时间栅极的情况下提高SNR。

    Multiphoton-excited measuring device
    4.
    发明授权
    Multiphoton-excited measuring device 有权
    多光子激发测量装置

    公开(公告)号：US08912508B2

    公开(公告)日：2014-12-16

    申请号：US12677952

    申请日：2009-03-24

    申请人： Hiroyoshi Yajima ,  Kenji Taira

    发明人： Hiroyoshi Yajima ,  Kenji Taira

    IPC分类号： G01N21/64 ,  G02B21/08

    CPC分类号： G01N21/6458 ,  G01N2201/0697 ,  G02B21/082

    摘要： A multiphoton-excited measuring device measuring a sample with the use of a multiphoton absorption phenomenon by optical pulses having high intensity, comprising a short pulse light source 2 emitting optical pulses; an irradiation optical system 17, 18, 19 irradiating a sample 20 with optical pulses emitted from the short pulse light source 2; a detector 24 detecting signal light generated, in association with multiphoton excitation, from the sample 20 by the irradiation with optical pulses; and an optical pulse compression means 4, 13 compressing a pulse width, with the use of intensity-dependent nonlinear effects of the optical fiber 4, so that a pulse width of optical pulses with which the sample 20 is to be irradiated is shorten to equal to or narrower than that of optical pulses emitted from the short pulse light source 2 and so that a spectral width of optical pulses with which the sample 20 is to be irradiated is wider than that of optical pulses emitted from the short pulse light source 2, which makes it possible to stably irradiate, with the use of easy-to-use short pulse light source, a sample with optical pulses having higher peak intensity and a shorter temporal width and measure the sample easily with high accuracy without requiring sophisticated laser techniques and skills.

    摘要翻译： 多光子激发测量装置，通过具有高强度的光脉冲使用多光子吸收现象来测量样品，包括发射光脉冲的短脉冲光源2; 照射光学系统17,18,19用从短脉冲光源2发射的光脉冲照射样品20; 检测器24，通过用光脉冲的照射检测与样品20相关的多光子激发产生的信号光; 以及使用光纤4的强度相关非线性效应来压缩脉冲宽度的光脉冲压缩装置4,13，使得要照射样品20的光脉冲的脉冲宽度缩短到相等 比从短脉冲光源2发射的光脉冲的宽度窄或窄，使得样品20被照射的光脉冲的光谱宽度比从短脉冲光源2发射的光脉冲的光谱宽度宽， 这使得可以使用易于使用的短脉冲光源来稳定地照射具有较高峰值强度和较短时间宽度的光脉冲的样品，并且以高精度容易地测量样品，而不需要复杂的激光技术， 技能

    MULTIPHOTON-EXCITED MEASURING DEVICE
    5.
    发明申请
    MULTIPHOTON-EXCITED MEASURING DEVICE 有权
    多功能激光测量装置

    公开(公告)号：US20100224794A1

    公开(公告)日：2010-09-09

    申请号：US12677952

    申请日：2009-03-24

    申请人： Hiroyoshi Yajima ,  Kenji Taira

    发明人： Hiroyoshi Yajima ,  Kenji Taira

    IPC分类号： G01N21/64

    CPC分类号： G01N21/6458 ,  G01N2201/0697 ,  G02B21/082

    摘要： A multiphoton-excited measuring device measuring a sample with the use of a multiphoton absorption phenomenon by optical pulses having high intensity, comprising a short pulse light source 2 emitting optical pulses; an irradiation optical system 17, 18, 19 irradiating a sample 20 with optical pulses emitted from the short pulse light source 2; a detector 24 detecting signal light generated, in association with multiphoton excitation, from the sample 20 by the irradiation with optical pulses; and an optical pulse compression means 4, 13 compressing a pulse width, with the use of intensity-dependent nonlinear effects of the optical fiber 4, so that a pulse width of optical pulses with which the sample 20 is to be irradiated is shorten to equal to or narrower than that of optical pulses emitted from the short pulse light source 2 and so that a spectral width of optical pulses with which the sample 20 is to be irradiated is wider than that of optical pulses emitted from the short pulse light source 2, which makes it possible to stably irradiate, with the use of easy-to-use short pulse light source, a sample with optical pulses having higher peak intensity and a shorter temporal width and measure the sample easily with high accuracy without requiring sophisticated laser techniques and skills.

    摘要翻译： 多光子激发测量装置，通过具有高强度的光脉冲使用多光子吸收现象来测量样品，包括发射光脉冲的短脉冲光源2; 照射光学系统17,18,19用从短脉冲光源2发射的光脉冲照射样品20; 检测器24，通过用光脉冲的照射检测与样品20相关的多光子激发产生的信号光; 以及使用光纤4的强度相关非线性效应来压缩脉冲宽度的光脉冲压缩装置4,13，使得要照射样品20的光脉冲的脉冲宽度缩短到相等 比从短脉冲光源2发射的光脉冲的宽度窄或窄，使得样品20被照射的光脉冲的光谱宽度比从短脉冲光源2发射的光脉冲的光谱宽度宽， 这使得可以使用易于使用的短脉冲光源来稳定地照射具有较高峰值强度和较短时间宽度的光脉冲的样品，并且以高精度容易地测量样品，而不需要复杂的激光技术， 技能

    Photodetection device for detecting low temporal coherence light, photodetection method, microscope and endoscope
    6.
    发明授权
    Photodetection device for detecting low temporal coherence light, photodetection method, microscope and endoscope 有权
    用于检测低时间相干光的光检测装置，光电检测方法，显微镜和内窥镜

    公开(公告)号：US08471193B2

    公开(公告)日：2013-06-25

    申请号：US12743405

    申请日：2009-03-05

    申请人： Kenji Taira ,  Hiroyoshi Yajima

    发明人： Kenji Taira ,  Hiroyoshi Yajima

    IPC分类号： G01N21/25

    CPC分类号： G01N21/6458 ,  G01J9/04 ,  G02B21/0076 ,  G02B21/16 ,  G02B27/0944

    摘要： There are provided a photodetection device, a photodetection method, a microscope and an endoscope, which are capable of heterodyne-detecting desired light to be detected with high sensitivity and high S/N ratio, among which the photodetection device includes: a local light generation unit (10) generating local light having a plurality of optical frequency components in an optical frequency band of light to be detected within a given period of time; a light combining unit (20) combining the local light generated from the local light generation unit (10) and the light to be detected; and a photoelectric conversion unit (30) photoelectrically-converting light output from the light combining unit (20) and generating a beat signal of the local light and the light to be detected, such that the light to be detected is heterodyne-detected based on an output of the photoelectric conversion unit (30).

    摘要翻译： 提供能够以高灵敏度和高S / N比来外差检测所需光的光检测装置，光电检测方法，显微镜和内窥镜，其中光检测装置包括：局部光产生 单元（10）在给定的时间段内产生具有待检测的光的光频带中的多个光频率分量的局部光; 组合从本地光发生单元（10）产生的局部光与要检测的光的光合成单元（20）; 以及光电转换单元（30），其对从所述光合成单元（20）输出的光进行光电转换，并产生所述局部光和被检测光的拍频信号，使得所述待检测光基于 光电转换单元（30）的输出。

    PHOTODETECTION DEVICE AND PHOTODETECTION METHOD, AND MICROSCOPE AND ENDOSCOPE
    7.
    发明申请
    PHOTODETECTION DEVICE AND PHOTODETECTION METHOD, AND MICROSCOPE AND ENDOSCOPE 有权
    光电转换装置和光电保护方法，微观和内窥镜

    公开(公告)号：US20110049337A1

    公开(公告)日：2011-03-03

    申请号：US12743405

    申请日：2009-03-05

    申请人： Kenji Taira ,  Hiroyoshi Yajima

    发明人： Kenji Taira ,  Hiroyoshi Yajima

    IPC分类号： H01J3/14

    CPC分类号： G01N21/6458 ,  G01J9/04 ,  G02B21/0076 ,  G02B21/16 ,  G02B27/0944

    摘要： There are provided a photodetection device and a photodetection method and a microscope and an endoscope capable of heterodyne-detecting desired light to be detected with high sensitivity and high S/N ratio.A photodetection device, comprising a local light generation means 10 generating local light having a plurality of optical frequency components in an optical frequency band of light to be detected within a given period of time; a light combining means 20 combining the local light generated from the local light generation means 10 and the light to be detected; and a photoelectric conversion means 30 photoelectrically-converting light output from the light combining means 20 and generating a beat signal of the local light and the light to be detected, wherein the light to be detected is heterodyne-detected based on an output of the photoelectric conversion means 30.

    摘要翻译： 提供了一种能够以高灵敏度和高S / N比外差检测所需光的光检测装置和光电检测方法以及能够外差检测的显微镜和内窥镜。 一种光检测装置，包括：本地光发生装置10，其在给定时间段内产生具有待检测光的光频带中的多个光频率分量的局部光; 组合从本地光产生装置10产生的局部光和待检测的光的光合成装置20; 以及光电转换装置30，对来自光合成装置20的光输出进行光电转换，并产生局部光和被检测光的拍频信号，其中根据光电转换装置20的输出对被检测光进行外差检测 转换装置30。