WAVELENGTH CONVERSION LASER LIGHT SOURCE, AND PROJECTION DISPLAY DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND LASER LIGHT SOURCE PROVIDED WITH SAME
    3.
    发明申请
    WAVELENGTH CONVERSION LASER LIGHT SOURCE, AND PROJECTION DISPLAY DEVICE, LIQUID CRYSTAL DISPLAY DEVICE AND LASER LIGHT SOURCE PROVIDED WITH SAME 有权
    波长转换激光光源,投影显示装置,液晶显示装置和激光源光源

    公开(公告)号:US20110147566A1

    公开(公告)日:2011-06-23

    申请号:US13001944

    申请日:2009-07-08

    IPC分类号: G01J1/32

    摘要: A wavelength conversion laser light source includes: a fundamental light source for outputting fundamental light; a wavelength conversion element with a nonlinear optical effect for converting the fundamental light into harmonic light of a different wavelength; a first optical receiver for receiving light of a specific polarization direction contained in the fundamental light output from the fundamental light source and converting an amount of light thereof into an electrical signal; a second optical receiver for receiving the harmonic light output from the wavelength conversion element and converting an amount of light thereof into an electrical signal; a temperature holding unit for holding a temperature of the wavelength conversion element constant; a fundamental light control unit for performing first control of controlling an amount of light of the fundamental light output from the fundamental light source based on the electrical signal from the second optical receiver, and second control of controlling an amount of light of the fundamental light based on the electrical signal from the first optical receiver; and a temperature control unit for performing third control of controlling a holding temperature of the temperature holding unit based on the electrical signal from the second optical receiver.

    摘要翻译: 一种波长转换激光源包括:用于输出基本光的基本光源; 具有用于将基本光转换成不同波长的谐波光的非线性光学效应的波长转换元件; 第一光接收器,用于接收从基本光源输出的基本光中包含的特定偏振方向的光,并将其光量转换成电信号; 第二光接收器,用于接收从波长转换元件输出的谐波光并将其光量转换成电信号; 用于保持波长转换元件的温度恒定的温度保持单元; 基本光控制单元,用于执行基于来自第二光接收器的电信号来控制从基本光源输出的基本光的光量的第一控制,以及控制基光的光量的第二控制 对来自第一光接收器的电信号; 以及温度控制单元,用于基于来自第二光接收器的电信号执行控制温度保持单元的保持温度的第三控制。

    Wavelength conversion laser light source, and image display device
    5.
    发明授权
    Wavelength conversion laser light source, and image display device 有权
    波长转换激光光源和图像显示装置

    公开(公告)号:US09172201B2

    公开(公告)日:2015-10-27

    申请号:US14001985

    申请日:2012-02-28

    摘要: A wavelength conversion laser light source, includes: a solid laser medium; a wavelength conversion element; a concave mirror on which a first reflecting surface reflecting a fundamental light wave and a the second harmonic light wave is formed; and a wavelength plate on which a second reflecting surface reflecting the fundamental light wave and transmitting the second harmonic light wave is formed, wherein a laser resonator is constituted by the first reflecting surface and the second reflecting surface; the solid laser medium is arranged on a first reflecting surface side of the laser resonator, the wavelength plate is arranged on a second reflecting surface side of the laser resonator, and the wavelength conversion element is arranged between the solid laser medium and the wavelength plate; and the wavelength plate outputs the second harmonic wave, to the exterior of the laser resonator, via the second reflecting surface.

    摘要翻译: 一种波长转换激光光源,包括:固体激光介质; 波长转换元件; 形成反射基波光和第二谐波光波的第一反射面的凹面镜; 形成反射基波光并透射二次谐波光的第二反射面的波长板,其中由第一反射面和第二反射面构成激光谐振器; 固体激光介质配置在激光谐振器的第一反射面侧,波长板配置在激光谐振器的第二反射面侧,波长转换元件配置在固体激光介质和波长板之间; 并且波长板经由第二反射面将二次谐波输出到激光谐振器的外部。

    WAVELENGTH CONVERSION LASER LIGHT SOURCE, AND IMAGE DISPLAY DEVICE
    6.
    发明申请
    WAVELENGTH CONVERSION LASER LIGHT SOURCE, AND IMAGE DISPLAY DEVICE 有权
    波长转换激光光源和图像显示设备

    公开(公告)号:US20130335813A1

    公开(公告)日:2013-12-19

    申请号:US14001985

    申请日:2012-02-28

    IPC分类号: H01S3/00

    摘要: A wavelength conversion laser light source, includes: a solid laser medium; a wavelength conversion element; a concave mirror on which a first reflecting surface reflecting a fundamental light wave and a second harmonic light wave is formed; and a wavelength plate on which a second reflecting surface reflecting the fundamental light wave and transmitting the second harmonic light wave is formed, wherein a laser resonator is constituted by the first reflecting surface and the second reflecting surface; the solid laser medium is arranged on a first reflecting surface side of the laser resonator, the wavelength plate is arranged on a second reflecting surface side of the laser resonator, and the wavelength conversion element is arranged between the solid laser medium and the wavelength plate; and the wavelength plate outputs the second harmonic wave, to the exterior of the laser resonator, via the second reflecting surface.

    摘要翻译: 一种波长转换激光光源,包括:固体激光介质; 波长转换元件; 形成反射基波光和第二谐波光波的第一反射面的凹面镜; 形成反射基波光并透射二次谐波光的第二反射面的波长板,其中由第一反射面和第二反射面构成激光谐振器; 固体激光介质配置在激光谐振器的第一反射面侧,波长板配置在激光谐振器的第二反射面侧,波长转换元件配置在固体激光介质和波长板之间; 并且波长板经由第二反射面将二次谐波输出到激光谐振器的外部。

    WAVELENGTH CONVERSION LASER LIGHT SOURCE AND IMAGE DISPLAY DEVICE
    7.
    发明申请
    WAVELENGTH CONVERSION LASER LIGHT SOURCE AND IMAGE DISPLAY DEVICE 有权
    波长转换激光光源和图像显示设备

    公开(公告)号:US20110032598A1

    公开(公告)日:2011-02-10

    申请号:US12936747

    申请日:2010-02-25

    IPC分类号: G02F1/35

    摘要: A wavelength conversion laser light source includes a fundamental wave laser light source (1) to generate a fundamental wave; a first mirror and a second mirror (4, 5), arranged so as to oppose each other; a wavelength conversion element (3) which is arranged between the first mirror and the second mirror and converts the wavelength of the fundamental wave; and a temperature control portion (8) to control the temperature of the wavelength conversion element. A portion of the fundamental wave is wavelength-converted in the wavelength conversion element, and moreover the fundamental wave which is not wavelength-converted is reflected by the first mirror and the second mirror and is repeatedly incident on the wavelength conversion element and is wavelength-converted, and the temperature control portion is arranged so as to be in contact with the wavelength conversion element, and the light quantity of the fundamental wave incident on the temperature control portion is reduced by a fundamental wave absorption portion (18).

    摘要翻译: 波长转换激光光源包括产生基波的基波激光光源(1); 布置成彼此相对的第一反射镜和第二反射镜(4,5); 布置在第一反射镜和第二反射镜之间的波长转换元件(3),并转换基波的波长; 和用于控制波长转换元件的温度的温度控制部分(8)。 基波的一部分在波长转换元件中进行波长转换,此外,不进行波长转换的基波被第一反射镜和第二反射镜反射,并且重复入射到波长转换元件上, 并且温度控制部分布置成与波长转换元件接触,并且入射到温度控制部分上的基波的光量被基波吸收部分(18)减小。

    Wavelength conversion laser light source and image display device
    8.
    发明授权
    Wavelength conversion laser light source and image display device 有权
    波长转换激光光源和图像显示装置

    公开(公告)号:US08339697B2

    公开(公告)日:2012-12-25

    申请号:US12936747

    申请日:2010-02-25

    IPC分类号: G02F2/02 H01S3/10

    摘要: A wavelength conversion laser light source includes a fundamental wave laser light source (1) to generate a fundamental wave; a first mirror and a second mirror (4, 5), arranged so as to oppose each other; a wavelength conversion element (3) which is arranged between the first mirror and the second mirror and converts the wavelength of the fundamental wave; and a temperature control portion (8) to control the temperature of the wavelength conversion element. A portion of the fundamental wave is wavelength-converted in the wavelength conversion element, and moreover the fundamental wave which is not wavelength-converted is reflected by the first mirror and the second mirror and is repeatedly incident on the wavelength conversion element and is wavelength-converted, and the temperature control portion is arranged so as to be in contact with the wavelength conversion element, and the light quantity of the fundamental wave incident on the temperature control portion is reduced by a fundamental wave absorption portion (18).

    摘要翻译: 波长转换激光光源包括产生基波的基波激光光源(1); 布置成彼此相对的第一反射镜和第二反射镜(4,5); 布置在第一反射镜和第二反射镜之间的波长转换元件(3),并转换基波的波长; 和用于控制波长转换元件的温度的温度控制部分(8)。 基波的一部分在波长转换元件中进行波长转换,此外,不进行波长转换的基波被第一反射镜和第二反射镜反射,并且重复入射到波长转换元件上, 并且温度控制部分布置成与波长转换元件接触,并且入射到温度控制部分上的基波的光量被基波吸收部分(18)减小。

    Wavelength conversion laser device and image display device using the same
    10.
    发明授权
    Wavelength conversion laser device and image display device using the same 有权
    波长转换激光装置和使用其的图像显示装置

    公开(公告)号:US08068274B2

    公开(公告)日:2011-11-29

    申请号:US12241525

    申请日:2008-09-30

    IPC分类号: G02F2/02 H01S3/10

    摘要: A wavelength conversion laser device includes a laser light source which emits a laser beam, two reflective surfaces which reflect therefrom a laser beam, a wavelength converter provided between the two reflective surfaces, which converts a laser beam into a wavelength-converted laser beam, and condensing optics which condense the laser beams to be injected between the two reflective surfaces, wherein at least one of the two reflective surfaces has a curvature for reflecting a laser beam to be re-injected into the wavelength converter between the two reflective surfaces repeatedly while forming multi paths of laser beams injected into the wavelength converter at different incident angles, and the condensing optics are arranged to disperse beam waists of the laser beams in the wavelength converter, which reciprocate between the two reflective surfaces.

    摘要翻译: 波长转换激光器件包括发射激光束的激光源,从其反射激光束的两个反射表面,设置在两个反射表面之间的波长转换器,其将激光束转换成波长转换的激光束;以及 聚光光学器件,其将要注入的激光束聚集在两个反射表面之间,其中两个反射表面中的至少一个具有用于反射在两个反射表面之间重新注入到波长转换器中的激光束的曲率,同时形成 以不同的入射角注入到波长转换器中的激光束的多路径,以及聚光光学器件被布置成分散波长转换器中的激光束的波束束,波长转换器在两个反射表面之间往复运动。