安定性が向上されたCW DUVレーザー
    2.
    发明专利
    安定性が向上されたCW DUVレーザー 有权
    CW激光DUV稳定性得到了提高

    公开(公告)号:JP2016526699A

    公开(公告)日:2016-09-05

    申请号:JP2016519621

    申请日:2014-06-11

    Abstract: 深紫外線(DUV)連続波(CW)レーザーは、約1μm〜1.1μmの対応する波長の基本波周波数を発生させるように構成された基本波CWレーザーと、3次高調波及び任意に2次高調波を発生させる1つ以上の周期分極反転非線形光学(NLO)結晶を含む3次高調波発生器モジュールと、4次高調波発生器モジュール及び5次高調波発生器のうちの1つとを備える。4次高調波発生器モジュールは、基本波周波数と3次高調波とを組み合わせて4次高調波を発生させるように構成された、基本波周波数で共振する空洞を備える。4次高調波発生器モジュールは、基本波周波数と3次高調波とを組み合わせて5次高調波を発生させるための、基本波周波数で共振する空洞、または2次高調波と3次高調波とを組み合わせて5次高調波を発生させるための、2次高調波周波数で共振する空洞のいずれかを備える。

    Abstract translation: 深紫外线(DUV)的连续波(CW)激光器,其被配置为生成关于1Myuemu〜1.1Myuemu,3次谐波和任选第二谐波的波长对应的基本频率的基波CW激光 包括第三谐波发生器模块包括一个或更多周期性极化的非线性光学(NLO)晶体,以产生一个波时,四次谐波生成器模块和第五谐波发生器的一个。 第四谐波发生器模块包括一个基本频率的组合和三次谐波被配置以产生一第四谐波,即谐振在基波频率的空腔。 第四谐波发生器模块包括一个基本频率以及用于通过组合第三谐波生成五次谐波,空腔谐振在基频或所述第二谐波和第三谐波 用于通过组合生成的第五谐波包括谐振在二次谐波频率的空腔中的一个。

    Laser device
    4.
    发明专利
    Laser device 有权
    激光装置

    公开(公告)号:JP2014175488A

    公开(公告)日:2014-09-22

    申请号:JP2013047125

    申请日:2013-03-08

    Abstract: PROBLEM TO BE SOLVED: To provide a laser device producing a Gaussian distribution point-shaped beam having a remarkably strong light intensity, by wavelength conversion using a nonlinear optical crystal.SOLUTION: A laser device includes a nonlinear optical crystal NL having a period polarization inversion structure on which laser light emitted from a photonic crystal surface emission laser element LD impinges. The different refractive index region 6B of a photonic crystal layer is arranged at the grating point position of a square grating. When the planar shape of each different refractive index region 6B is substantially rectangular equilateral triangle, two sides constituting the right angle extend along the longitudinal and lateral grid lines of a square grating, and the orientation parallel with or perpendicular to the hypotenuse of the triangle matches the orientation of polarization in the period polarization inversion structure of the nonlinear optical crystal NL.

    Abstract translation: 要解决的问题:提供一种通过使用非线性光学晶体的波长转换来制造具有非常强的光强度的高斯分布点状光束的激光装置。解决方案:激光装置包括具有周期偏振反转的非线性光学晶体NL 从光子晶体表面发射激光元件LD发射的激光照射的结构。 光子晶体层的不同折射率区域6B布置在正方形光栅的光栅点位置。 当每个不同折射率区域6B的平面形状基本上是矩形的等边三角形时,构成直角的两边沿着正方形光栅的纵向和横向网格线延伸,并且与三角形的斜边平行或垂直的取向匹配 非线性光学晶体NL的周期极化反转结构中的极化取向。

    Wavelength conversion element, wavelength conversion method, phase matching method, and the light source device

    公开(公告)号:JP5354501B2

    公开(公告)日:2013-11-27

    申请号:JP2009511845

    申请日:2008-04-17

    CPC classification number: G02F1/3775 G02F1/3558

    Abstract: A wavelength conversion element is provided as one including a monocrystalline nonlinear optical crystal. The nonlinear optical crystal has: a plurality of first regions having a polarity direction along a predetermined direction; a plurality of second regions having a polarity direction opposite to the predetermined direction; an entrance face into which a fundamental incident wave having a wavelength » and a frequency É is incident in a direction substantially perpendicular to the predetermined direction; and an exit face from which a second harmonic with a frequency 2É generated in the crystal emerges. The plurality of first and second regions are formed as alternately arranged in a period substantially equal to d expressed by a predetermined expression, between the entrance face and the exit face.

    Wavelength conversion element, laser light source device, image display device, and method of manufacturing wavelength conversion element
    9.
    发明专利
    Wavelength conversion element, laser light source device, image display device, and method of manufacturing wavelength conversion element 审中-公开
    波长转换元件,激光光源装置,图像显示装置及制造波长转换元件的方法

    公开(公告)号:JP2013088479A

    公开(公告)日:2013-05-13

    申请号:JP2011226078

    申请日:2011-10-13

    Inventor: FURUYA HIROYUKI

    CPC classification number: F21V9/00 G02F1/355 G02F1/3558 G02F2202/20

    Abstract: PROBLEM TO BE SOLVED: To provide a wavelength conversion element, a laser light source device, an image display device, and a method of manufacturing a wavelength conversion element, which are capable of controlling a polarization reversal structure formation step by using a magnesium-doped lithium tantalate single crystal having a congruent composition and is capable of stably manufacturing a wavelength conversion element having high conversion efficiency.SOLUTION: The method of manufacturing the wavelength conversion element includes a step of forming a periodic electrode 103 on a +z surface of an MgLN substrate 101 and forming a counter electrode 104 on a -z surface of the MgLN substrate 101, a heat treatment step of performing heat treatment after formation of the periodic electrode 103 and the counter electrode 104, and a field application step of applying a pulsed electric field between the period electrode 103 and the counter electrode 104 in a state of keeping the MgLN substrate 101 at 100°C or higher. A wavelength conversion element 100 has a polarization reversal structure formed by field application, on the MgLN substrate 101 after the heat treatment.

    Abstract translation: 解决的问题:为了提供一种能够通过使用一个波长转换元件来控制偏振反转结构形成步骤的波长转换元件,激光源装置,图像显示装置和制造波长转换元件的方法, 具有一致组成的镁掺杂钽酸锂单晶,并且能够稳定地制造具有高转换效率的波长转换元件。 解决方案:制造波长转换元件的方法包括在MgLN衬底101的+ z表面上形成周期性电极103并在MgLN衬底101的-z表面上形成对电极104的步骤, 在形成周期性电极103和对电极104之后进行热处理的热处理步骤以及在保持MgLN衬底101的状态下在周期电极103和对电极104之间施加脉冲电场的场施加步骤 在100℃以上。 在热处理之后,波长转换元件100具有通过场施加形成的偏振反转结构,在MgLN衬底101上。 版权所有(C)2013,JPO&INPIT

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