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    • 3. 发明专利
    • Laser device
    • 激光装置
    • JP2005039093A
    • 2005-02-10
    • JP2003275522
    • 2003-07-16
    • Hamamatsu Photonics KkOkazaki National Research InstitutesOxide Corp岡崎国立共同研究機構長株式会社オキサイド浜松ホトニクス株式会社
    • SUGA HIROBUMISONE AKIHIROHIRATO HIRONORIFURUKAWA YASUNORI
    • H01S3/16H01S3/042H01S3/06H01S3/091H01S3/094H01S3/0941H01S3/10H01S3/113
    • H01S3/0941H01S3/042H01S3/0604H01S3/094038H01S3/1611H01S3/1671
    • PROBLEM TO BE SOLVED: To provide a laser device that is a solid-state laser device and is superior in emission efficiency. SOLUTION: The laser device 1 is provided with a solid-state laser medium that is provided a first surface 10A and a second surface 10B facing each other and is made of GdVO 4 or YVO 4 added with Nd 3+ , a high reflection film 12 that is formed on the first surface against the solid-state medium and reflects a light with a wavelength of 880±5 nm in a first wavelength and ranging 910 to 916 nm in a second wavelength, a reflection means 20 that forms together with the high reflection film an optical resonator whose a resonance Q value to a light having the second wavelength range is larger than that to a light with a total wavelength ranging 1060 to 1065 nm in a third wavelength and that is arranged so that the solid-state laser medium is within the optical resonator, and an exciting light source 22 to output a light with the first wavelength range for exciting the solid-state laser medium. Further, the laser device introduces a light from the exciting light source into the optical resonator in a direction different from an optical axis of the optical resonator and makes it enter the solid-state laser medium. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供作为固体激光装置的激光装置,并且发光效率优异。 解决方案:激光装置1设置有固态激光介质,该固态激光介质设置有彼此面对的第一表面10A和第二表面10B,并且由GdVO 4 或YVO 3 + 的高反射膜12,其形成在第一表面上与固态介质反射,并将波长为880±5nm的光反射 第一波长的第一波长并且在第二波长范围内为910至916nm的反射装置20,与高反射膜一起形成的光谐振器的反射装置20,其具有第二波长范围的光的谐振Q值大于具有第二波长范围的光的谐振Q值 在第三波长范围内为1060〜1065nm的总波长,并且被配置为使得固态激光介质在光谐振器内,激励光源22输出具有第一波长范围的光, 状态激光介质。 此外,激光装置将来自激发光源的光沿与光谐振器的光轴不同的方向引入光谐振器,并使其进入固态激光介质。 版权所有(C)2005,JPO&NCIPI