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    • 1. 发明专利
    • Microchip laser device
    • 微型激光器件
    • JP2005340763A
    • 2005-12-08
    • JP2005021299
    • 2005-01-28
    • National Institute Of Information & Communication Technology独立行政法人情報通信研究機構
    • ISHIZU MITSUO
    • H01S3/105H01S3/04H01S3/07H01S3/081H01S3/082H01S3/091H01S3/092H01S3/094H01S3/106H01S3/108H01S3/23
    • H01S3/094H01S3/025H01S3/0405H01S3/07H01S3/08095H01S3/0815H01S3/082H01S3/108H01S3/161H01S3/1611H01S3/2316H01S3/2333H01S3/2341
    • PROBLEM TO BE SOLVED: To provide a laser device which has a high converting efficiency and enables pulse oscillation even when direct pumping is hard to perform by a light source for optical pumping.
      SOLUTION: The device comprises a first laser resonator which prepares a first solid laser medium for optical pumping and oscillates at a wavelength 1, a second laser medium of a plate type which is pumped by a laser beam in the resonator, and a second laser resonator which includes the plate type laser medium and oscillates at a wavelength 2. And the device is characterized in that a reflecting film by which pumping light is transmitted and a light of the wavelength 2 is reflected is prepared in a face a to which the pumping light of the first solid laser medium enters, in that a reflecting film by which the wavelength 1 is transmitted and the wavelength 2 is reflected is prepared in a face c in which a light of the wavelength 2 enters to the second laser medium, in that a reflecting film by which the wavelength 1 is reflected and the wavelength 2 is transmitted is prepared in a face d facing to the face c, in that a reflecting film by which the light of the wavelength 2 is mostly reflected and slightly transmitted is prepared in an output mirror of the second laser resonator, and in that heat is conducted to a dissipator through a bottom face section of the above-mentioned plate type second laser medium.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种具有高转换效率的激光装置,即使在用于光泵浦的光源难以进行直接泵浦的情况下也能够进行脉冲振荡。 解决方案:该装置包括:第一激光谐振器,其制备用于光泵浦并以波长1振荡的第一固体激光介质;在谐振器中由激光束泵浦的板式第二激光介质;以及 第二激光谐振器,其包括板式激光介质并以波长2振荡。该装置的特征在于,反射泵浦光的反射膜和波长2的光被反射的面,其中, 第一固体激光介质的泵浦光入射到波长2的光入射到第二激光介质的面c中,其中透射波长1并且波长2被反射的反射膜被制备, 在面向面c的面d中准备反射膜1,反射膜1被反射并且波长2被透射,其中波长2的光大多数为r的反射膜 在第二激光谐振器的输出反射镜中准备反射并稍微透射,并且通过上述板式第二激光介质的底面部分向散热器传导热量。 版权所有(C)2006,JPO&NCIPI