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公开(公告)号：US07693194B2
公开(公告)日：2010-04-06
申请号：US11597360
申请日：2004-08-12
申请人： Kiyohide Sakai , Yasuharu Koyata , Masao Imaki , Yoshihito Hirano , Kouhei Teramoto , Shigenori Shibue
发明人： Kiyohide Sakai , Yasuharu Koyata , Masao Imaki , Yoshihito Hirano , Kouhei Teramoto , Shigenori Shibue
IPC分类号： H01S3/13
CPC分类号： H01S5/141 , H01S5/0652 , H01S5/146 , H01S5/50
摘要： A reflection element 3 disposed in an optical waveguide element 2 returns a part of light to a semiconductor laser diode element 1 so that the semiconductor laser diode element 1 oscillates in a coherent collapse mode, and a semiconductor light amplifier 7 is optically coupled to the optical waveguide element 2, and amplifies an optical output from optical waveguide element 2, so as to provide a high-power fundamental-wave light source.
摘要翻译： 设置在光波导元件2中的反射元件3将一部分光返回到半导体激光二极管元件1，使得半导体激光二极管元件1以相干折叠模式振荡，并且半导体光放大器7光耦合到光 波导元件2，并且放大来自光波导元件2的光输出，以便提供高功率基波光源。
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公开(公告)号：US20090080054A1
公开(公告)日：2009-03-26
申请号：US11920916
申请日：2005-07-11
申请人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
发明人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
CPC分类号： G02B27/48 , G02B26/0833 , H04N9/3129 , H04N9/3161
摘要： Provided are a speckle removing light source capable of removing speckle by using laser light whose wavelength is temporally changed and a lighting apparatus for producing an image from which the speckle is removed. Provided is a speckle removing light source, including: a light source for outputting laser light; and a light frequency modulator for changing a wavelength of the laser light, in which: the wavelength of the laser light outputted from the light source is temporally changed by the light frequency modulator; and the light frequency modulator has a predetermined period set for changing the wavelength of the laser light. Also, provided is a lighting apparatus, including: a spatial light modulator illuminated with the laser light outputted from the speckle removing light source to produce an image, in which the spatial light modulator has a period set for producing the image, and the period is longer than the period for changing the wavelength of the laser light by the light frequency modulator.
摘要翻译： 提供一种能够通过使用其波长在时间上变化的激光去除斑点的散斑去除光源，以及用于制造除去斑点的图像的照明装置。 提供了一种除斑光源，包括：用于输出激光的光源; 以及用于改变激光波长的光频调制器，其中：从光源输出的激光的波长由光频调制器暂时改变; 并且光频调制器具有设定用于改变激光波长的预定周期。 另外，本发明提供一种照明装置，其特征在于，包括：由从所述散斑去除光源输出的激光照射的空间光调制器，生成图像，所述空间光调制器具有设定用于产生图像的周期，所述周期为 比通过光频调制器改变激光波长的时间长。
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公开(公告)号：US20090109698A1
公开(公告)日：2009-04-30
申请号：US11920862
申请日：2005-07-11
申请人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
发明人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
IPC分类号： H01S3/00
CPC分类号： G02B19/0014 , G02B6/0008 , G02B6/02 , G02B6/4206 , G02B19/0052 , G02B27/0994 , G03B21/005 , G03B21/2033 , G03B21/208 , H01S3/0085 , H01S3/0092 , Y10S385/901
摘要： Provided is a lighting apparatus capable of uniformly and efficiently lighting a spatial light modulator. The lighting apparatus includes: a light source for outputting laser light; a multimode optical fiber in which the laser light outputted from the light source propagates through an internal core whose lateral cross section is a substantially polygonal outer diameter shape; and spatial light modulator for producing an image with illumination light from the multimode optical fiber. In the lighting apparatus, the laser light is outputted from the light source and is propagated to the multimode optical fiber in which an outer diameter shape of the lateral cross section of the core is a substantially polygonal shape, whereby the spatial light modulator can be uniformly and efficiently lighted.
摘要翻译： 提供能够均匀有效地点亮空间光调制器的照明装置。 照明装置包括：用于输出激光的光源; 从光源输出的激光通过横截面为大致多边形外径形状的内核传播的多模光纤; 以及用于利用来自多模光纤的照明光产生图像的空间光调制器。 在照明装置中，激光从光源输出，并被传播到多芯光纤，其中芯的横截面的外径形状基本上为多边形，由此空间光调制器可以均匀地 并有效照明。
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公开(公告)号：US07724413B2
公开(公告)日：2010-05-25
申请号：US11920916
申请日：2005-07-11
申请人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
发明人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
IPC分类号： G02B26/00
CPC分类号： G02B27/48 , G02B26/0833 , H04N9/3129 , H04N9/3161
摘要： Provided are a speckle removing light source capable of removing speckle by using laser light whose wavelength is temporally changed and a lighting apparatus for producing an image from which the speckle is removed. Included are a light source for outputting laser light, and a light frequency modulator for temporally changing a wavelength of the laser light. The light frequency modulator has a predetermined period set for changing the wavelength of the laser light. Also, provided is a lighting apparatus, including a spatial light modulator illuminated with the laser light outputted from the speckle removing light source to produce an image. The spatial light modulator has a period set for producing the image, which is longer than the period for changing the wavelength of the laser light by the light frequency modulator.
摘要翻译： 提供一种能够通过使用其波长在时间上变化的激光去除斑点的散斑去除光源，以及用于制造除去斑点的图像的照明装置。 包括用于输出激光的光源和用于暂时改变激光波长的光频调制器。 光频调制器具有设定用于改变激光波长的预定周期。 此外，还提供一种照明装置，其包括用从散斑去除光源输出的激光照射的空间光调制器，以产生图像。 空间光调制器具有设置用于产生图像的周期，其比用于通过光频调制器改变激光的波长的周期长。
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公开(公告)号：US07643707B2
公开(公告)日：2010-01-05
申请号：US11920862
申请日：2005-07-11
申请人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
发明人： Yasuharu Koyata , Yoshihito Hirano , Kiyohide Sakai , Masao Imaki , Shinsuke Shikama , Jiro Suzuki , Takao Endou , Kouhei Teramoto , Shigenori Shibue
CPC分类号： G02B19/0014 , G02B6/0008 , G02B6/02 , G02B6/4206 , G02B19/0052 , G02B27/0994 , G03B21/005 , G03B21/2033 , G03B21/208 , H01S3/0085 , H01S3/0092 , Y10S385/901
摘要： Provided is a lighting apparatus capable of uniformly and efficiently lighting a spatial light modulator. The lighting apparatus includes: a light source for outputting laser light; a multimode optical fiber in which the laser light outputted from the light source propagates through an internal core whose lateral cross section is a substantially polygonal outer diameter shape; and spatial light modulator for producing an image with illumination light from the multimode optical fiber. In the lighting apparatus, the laser light is outputted from the light source and is propagated to the multimode optical fiber in which an outer diameter shape of the lateral cross section of the core is a substantially polygonal shape, whereby the spatial light modulator can be uniformly and efficiently lighted.
摘要翻译： 提供能够均匀有效地点亮空间光调制器的照明装置。 照明装置包括：用于输出激光的光源; 从光源输出的激光通过横截面为大致多边形外径形状的内核传播的多模光纤; 以及用于利用来自多模光纤的照明光产生图像的空间光调制器。 在照明装置中，激光从光源输出，并被传播到多芯光纤，其中芯的横截面的外径形状为大致多边形形状，由此空间光调制器可以均匀地 并有效照明。
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公开(公告)号：US20070230527A1
公开(公告)日：2007-10-04
申请号：US11597360
申请日：2004-08-12
申请人： Kiyohide Sakai , Yasuharu Koyata , Masao Imaki , Yoshihito Hirano , Kouhei Teramoto , Shigenori Shibue
发明人： Kiyohide Sakai , Yasuharu Koyata , Masao Imaki , Yoshihito Hirano , Kouhei Teramoto , Shigenori Shibue
IPC分类号： H01S5/00
CPC分类号： H01S5/141 , H01S5/0652 , H01S5/146 , H01S5/50
摘要： A reflection element 3 disposed in an optical waveguide element 2 returns a part of light to a semiconductor laser diode element 1 so that the semiconductor laser diode element 1 oscillates in a coherent collapse mode, and a semiconductor light amplifier 7 is optically coupled to the optical waveguide element 2, and amplifies an optical output from optical waveguide element 2, so as to provide a high-power fundamental-wave light source.
摘要翻译： 设置在光波导元件2中的反射元件3将一部分光返回到半导体激光二极管元件1，使得半导体激光二极管元件1以相干折叠模式振荡，并且半导体光放大器7光耦合到光 波导元件2，并且放大来自光波导元件2的光输出，以便提供高功率基波光源。
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公开(公告)号：US20080049796A1
公开(公告)日：2008-02-28
申请号：US11791233
申请日：2004-12-03
CPC分类号： G02F1/3544 , G02F2001/3548 , G02F2201/307 , H01S5/141 , H01S5/146
摘要： An allowable temperature range satisfying phase matching conditions of a wavelength conversion device is widened. A wavelength conversion light source includes a semiconductor laser diode device (1) applied with an antireflection film (3), a lens (4) arranged opposite to the semiconductor laser diode device (1), an optical fiber (5) having a Bragg grating (6) arranged in a core thereof, and a wavelength conversion device (8) formed of a nonlinear optical crystal on which light from the semiconductor laser diode device (1) is incident. In the wavelength conversion light source, the semiconductor laser diode device (1) oscillates in coherent collapse mode.
摘要翻译： 满足波长转换装置的相位匹配条件的容许温度范围变宽。 波长转换光源包括施加有防反射膜（3）的半导体激光二极管器件（1），与半导体激光二极管器件（1）相对布置的透镜（4），具有布拉格光栅 （6）和由半导体激光二极管装置（1）入射的非线性光学晶体构成的波长转换装置（8）。 在波长转换光源中，半导体激光二极管器件（1）以相干折叠模式振荡。
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公开(公告)号：US07605973B2
公开(公告)日：2009-10-20
申请号：US11791233
申请日：2004-12-03
CPC分类号： G02F1/3544 , G02F2001/3548 , G02F2201/307 , H01S5/141 , H01S5/146
摘要： An allowable temperature range satisfying phase matching conditions of a wavelength conversion device is widened. A wavelength conversion light source includes a semiconductor laser diode device (1) applied with an antireflection film (3), a lens (4) arranged opposite to the semiconductor laser diode device (1), an optical fiber (5) having a Bragg grating (6) arranged in a core thereof, and a wavelength conversion device (8) formed of a nonlinear optical crystal on which light from the semiconductor laser diode device (1) is incident. In the wavelength conversion light source, the semiconductor laser diode device (1) oscillates in coherent collapse mode.
摘要翻译： 满足波长转换装置的相位匹配条件的容许温度范围变宽。 波长转换光源包括施加有防反射膜（3）的半导体激光二极管器件（1），与半导体激光二极管器件（1）相对布置的透镜（4），具有布拉格光栅 （6）和由半导体激光二极管装置（1）入射的非线性光学晶体构成的波长转换装置（8）。 在波长转换光源中，半导体激光二极管器件（1）以相干折叠模式振荡。
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公开(公告)号：US20090232169A1
公开(公告)日：2009-09-17
申请号：US12107105
申请日：2008-04-22
IPC分类号： H01S3/10
CPC分类号： H01S5/026 , G02F1/3775 , G02F2201/34 , G02F2201/346 , H01S3/08045 , H01S3/0815 , H01S3/082 , H01S3/109 , H01S5/065 , H01S5/1014 , H01S5/12 , H01S5/125 , H01S5/14 , H01S5/141 , H01S5/20 , H01S5/2036
摘要： A wavelength converting laser device includes a laser diode producing laser light and including an optical resonator having a pair of facing reflectors, including a reflecting surface having a shape reducing loss in the optical resonator, with regard to a specific horizontal transverse mode of laser light as compared to the loss in the optical resonator for other horizontal transverse modes, and a wavelength converter for converting the laser light into harmonic light.
摘要翻译： 波长转换激光器件包括激光二极管，其产生激光，并且包括具有一对相对反射器的光学谐振器，其包括相对于激光的特定水平横向模式的光学谐振器中具有减小损耗的形状的反射表面 与用于其他水平横向模式的光学谐振器的损耗相比，以及用于将激光转换成谐波光的波长转换器。
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公开(公告)号：US07403549B2
公开(公告)日：2008-07-22
申请号：US10554248
申请日：2003-10-01
CPC分类号： H01S5/026 , G02F1/3775 , G02F2201/34 , G02F2201/346 , H01S3/08045 , H01S3/0815 , H01S3/082 , H01S3/109 , H01S5/065 , H01S5/1014 , H01S5/12 , H01S5/125 , H01S5/14 , H01S5/141 , H01S5/20 , H01S5/2036
摘要： A wavelength converting laser device includes a laser diode producing laser light and including an optical resonator having a pair of facing reflectors, including a reflecting surface having a shape reducing loss in the optical resonator, with regard to a specific horizontal transverse mode of laser light as compared to the loss in the optical resonator for other horizontal transverse modes, and a wavelength converter for converting the laser light into harmonic light.
摘要翻译： 波长转换激光器件包括激光二极管，其产生激光，并且包括具有一对相对反射器的光学谐振器，其包括相对于激光的特定水平横向模式的光学谐振器中具有减小损耗的形状的反射表面 与用于其他水平横向模式的光学谐振器的损耗相比，以及用于将激光转换成谐波光的波长转换器。
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