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    • 6. 发明专利
    • Light amplifying element
    • 光放大元件
    • JPS6161482A
    • 1986-03-29
    • JP18246884
    • 1984-08-31
    • Fujikura Ltd
    • SHIODA TAKAO
    • H01S3/08H01S3/02H01S3/06
    • H01S3/06
    • PURPOSE:To obtain an element which can readily optically combine and has a high coupling efficiency such as an input optical fiber or lens by forming a light emitting unit having a refractive index higher than a columnar photoconductor on the outer periphery of the light wave guide and reflecting films on both end faces of a columnar unit. CONSTITUTION:A filmy light emitting unit 2 is integrally provided with the outer periphery of a columnar light wave guide 1. The unit 2 selects a material having a refractive index higher than the light wave guide 1. Reflecting films 4, 5 are provided on both ends of the light wave guide 1. The films 4, 5 are formed by depositing Au and the like so that the film 4 of one end has a small thickness and low reflectivity such as approx. 50%, while the film 5 of the other has a large thickness and high reflectivity such as approx. 90%. A light input optical fiber 7 is connected with the end formed with the film 5 having the large thickness and high reflectivity of a light amplifying element 6. On the other hand, a condensing lens 8 is mounted with an optical connecting agent with the film 4 having low reflectivity of the element 6.
    • 目的:通过在光波导的外周形成折射率高于柱状光电导体的发光单元,以获得容易光学组合并具有高耦合效率的诸如输入光纤或透镜的元件,以及 在柱状单元的两个端面上反射膜。 构成:膜状发光单元2与柱状光波导1的外周一体地设置。单元2选择折射率高于光波导1的材料。反射膜4,5设置在两个 光波导1的端部。通过沉积Au等形成膜4,5,使得一端的膜4具有小的厚度和低的反射率,例如约4nm。 50%,而另一个的膜5具有大的厚度和高反射率,例如约。 90%。 光输入光纤7与由光放大元件6的厚度大且反射率高的膜5形成的端部连接。另一方面,聚光透镜8与膜4一起安装有光学连接剂 元件6的反射率低。
    • 8. 发明专利
    • ナノ秒パルス光源
    • NANOSECOND脉冲光源
    • JP2014212205A
    • 2014-11-13
    • JP2013087688
    • 2013-04-18
    • 日本電信電話株式会社Nippon Telegr & Teleph Corp
    • ISHIBASHI SHIGEO
    • H01S3/10H01S3/067H01S3/094H01S3/107
    • H01S3/06H01S3/09H01S3/10
    • 【課題】高いエネルギー変換効率の発振光パルスが出力されるパルスレーザーを提供する。【解決手段】キャビティ・ダンプ・レーザー装置であって、励起パルス光57の入力側から順に、励起パルス光源56と、第一の高反射鏡52と、レーザーゲイン媒体51と、光スイッチ54と、第二の高反射鏡53とから構成され、励起パルス57がレーザーゲイン媒体51へ入射し始める時点では共振器が構成されるよう光スイッチ54の光路が設定されており、励起パルス57の終端がレーザーゲイン媒体51へ入射し終わった直後に光スイッチ54が高速に切りかえられ、共振器内の発振光を共振器外へ放出するよう光路が設定される。【選択図】図5
    • 要解决的问题:提供输出高能量转换效率的振荡光脉冲的脉冲激光器。解决方案:激励脉冲光源56的激励脉冲光57的输入侧依次构成腔体倾倒式激光装置, 第一高反射镜52,激光增益介质51,光开关54和第二高反射镜53.光开关54的光路被设置为在激励脉冲57 开始撞击激光增益介质51.光路被设定为使激光脉冲57的结束在激光增益介质51上完成冲击后立即将光开关54切换到高速,并且在 谐振器被发射到其外部。
    • 10. 发明专利
    • Oscillating element for solid-state laser
    • 用于固态激光的振荡元件
    • JPS6120380A
    • 1986-01-29
    • JP14061984
    • 1984-07-09
    • Toshiba Corp
    • IMAI SHINICHI
    • H01S3/06
    • H01S3/06
    • PURPOSE:To make high-repetition laser oscillation of stable red color by a method wherein a crysta of green beryl series whereby fluorescent spectra having spectral lines showing a high fluorescent intensity appear between an R-line and a vibronic line is made as the titled element. CONSTITUTION:In fluorescent spectral lines caused by the same mechanism as that of a similar crystal alexandrite, the R-line 1 and the vibronic line 2, laser oscillation occurs in a crystal grown in the directions of the a-axis and the c-axis. In a spectral line (I-line) 3 appearing between the R-line and the vibronic line, that oscillation occurs in crystals grown in all the axial directions. Constructing by placing an oscillation element 4 between Fabry-Perot resonators 5 and 5' and then exciting this element 4 with the excited light 7 produces laser oscillation beam 7 of 6,958Angstrom at room temperature. The temperature of this oscillation beam 7 varies with temperature.
    • 目的:通过以下方法制备稳定红色的高重复激光振荡,其中绿色绿柱石系列的结晶,其中在R线和振动线之间出现具有高荧光强度的光谱线的荧光光谱作为标题元素 。 构成:在与同样的晶体亚历山大晶体相同的机理引起的荧光光谱线中,R线1和振子线2,在沿a轴和c轴方向生长的晶体中发生激光振荡 。 在出现在R线和振动线之间的谱线(I线)3中,该振荡发生在沿所有轴向生长的晶体中。 通过在法布里 - 珀罗共振器5和5'之间放置振荡元件4,然后用激发光7激发该元件4来构造,在室温下产生6,958Ang的激光振荡波束7。 该振荡光束7的温度随温度而变化。