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    Laser-diode-pumped solid state laser and radiation image read-out system
    1.
    发明授权
    Laser-diode-pumped solid state laser and radiation image read-out system 失效
    激光二极管泵浦固态激光器和放射线图像读出系统

    公开(公告)号：US6058126A

    公开(公告)日：2000-05-02

    申请号：US109053

    申请日：1998-07-02

    申请人： Hiromi Ishikawa ,  Yoji Okazaki ,  Hisashi Ohtsuka

    发明人： Hiromi Ishikawa ,  Yoji Okazaki ,  Hisashi Ohtsuka

    IPC分类号： G03B42/02 ,  H01S3/094 ,  H01S3/109 ,  H01S3/131 ,  H01S3/091

    CPC分类号： H01S3/109 ,  H01S3/1312

    摘要： In a laser-diode-pumped solid state laser, a solid laser crystal is pumped by a pumping laser beam emitted from a laser diode and a harmonic of light emitted from the pumped solid laser crystal is caused to make laser oscillation by a resonator structure containing therein a nonlinear optical crystal. The electric current to be poured into the laser diode is controlled so that the pumping laser beam emitted from the laser diode is kept at an output level at which the pumping laser beam cannot cause the harmonic of light emitted from the solid laser crystal to make laser oscillation though pumping the solid laser crystal.

    摘要翻译： 在激光二极管泵浦的固态激光器中，通过从激光二极管发射的激光激光束泵浦固体激光晶体，并且通过包含以下方式的谐振器结构使得从泵浦固体激光晶体发射的光的谐波使激光振荡： 其中非线性光学晶体。 控制注入激光二极管的电流，使得从激光二极管发射的激光激光束保持在激光束不能引起从固体激光晶体发出的光的谐波产生激光的输出水平 振荡虽然泵浦固体激光晶体。

    Solid-state laser apparatus excited by laser light from semiconductor laser unit having increased resonator length
    5.
    发明授权
    Solid-state laser apparatus excited by laser light from semiconductor laser unit having increased resonator length 失效
    由具有增加的谐振器长度的半导体激光器单元的激光激发的固态激光装置

    公开(公告)号：US06795475B1

    公开(公告)日：2004-09-21

    申请号：US09552540

    申请日：2000-04-19

    申请人： Hisashi Ohtsuka ,  Yoji Okazaki

    发明人： Hisashi Ohtsuka ,  Yoji Okazaki

    IPC分类号： H01S310

    CPC分类号： H01S3/1312 ,  H01S3/08059 ,  H01S3/08072 ,  H01S3/09415 ,  H01S3/109 ,  H01S3/1305 ,  H01S3/139 ,  H01S3/1611 ,  H01S3/1653

    摘要： A semiconductor-laser-excited solid-state laser apparatus includes a solid-state laser element and a semiconductor laser unit including a resonator. The solid-state laser element is excited by light emitted from the semiconductor laser unit, and emits laser light. The resonator length in the semiconductor laser unit is arranged to be at least 0.8 mm, so as to reduce an amount of wavelength shift in light emitted from the semiconductor laser unit, and achieve a stable, high-power laser output from the semiconductor-laser-excited solid-state laser apparatus.

    摘要翻译： 半导体激光激光固态激光装置包括固体激光元件和包括谐振器的半导体激光器单元。 固体激光元件被从半导体激光器单元发射的光激发，并发射激光。 半导体激光器单元中的谐振器长度被布置为至少0.8mm，以便减少从半导体激光器单元发射的光的波长偏移量，并且实现来自半导体激光器的稳定的高功率激光输出 激光固态激光装置。

    Laser-diode-pumped solid state laser
    8.
    发明授权
    Laser-diode-pumped solid state laser 失效
    激光二极管泵浦固体激光器

    公开(公告)号：US6049555A

    公开(公告)日：2000-04-11

    申请号：US008073

    申请日：1998-01-16

    申请人： Hisashi Ohtsuka ,  Yoji Okazaki ,  Hiroaki Hyuga

    发明人： Hisashi Ohtsuka ,  Yoji Okazaki ,  Hiroaki Hyuga

    IPC分类号： H01S3/094 ,  H01S3/04 ,  H01S3/0941 ,  H01S3/098 ,  H01S3/106 ,  H01S3/109

    CPC分类号： H01S3/08036 ,  H01S3/0401 ,  H01S3/09415 ,  H01S3/1062 ,  H01S3/109

    摘要： A laser-diode-pumped solid state laser in which a solid state laser crystal is pumped by a light beam produced by a laser diode and which is not lower than 10 W in the internal power of the resonator includes a temperature control circuit which keeps the inside temperature of a resonator at a predetermined temperature and, a wavelength selector which is disposed in the resonator and selects one of a plurality of oscillation modes in the resonator, thereby making the laser oscillate in a single mode. The wavelength selector has characteristics such that the increase in temperature of the wavelength selector due to absorption of a laser beam is smaller than a value such that when the temperature of the wavelength selector changes by the value or more, the oscillation mode selected by the wavelength selector changes.

    摘要翻译： 激光二极管泵浦固态激光器，其中固态激光晶体由激光二极管产生的并且在谐振器的内部功率中不低于10W的光束泵浦，包括温度控制电路，其保持 在预定温度下的谐振器的内部温度，以及设置在谐振器中并选择谐振器中的多个振荡模式中的一种的波长选择器，从而使激光器以单一模式振荡。 波长选择器具有这样的特征，使得由于激光束的吸收而导致的波长选择器的温度升高小于当波长选择器的温度变化了以上的值时，由波长选择的振荡模式 选择器更改。

    Laser diode pumped solid laser
    9.
    发明授权
    Laser diode pumped solid laser 失效
    激光二极管泵浦固体激光器

    公开(公告)号：US5446750A

    公开(公告)日：1995-08-29

    申请号：US323883

    申请日：1994-10-17

    申请人： Hisashi Ohtsuka ,  Yoji Okazaki ,  Hiroaki Hyuga ,  Shinji Mitsumoto

    发明人： Hisashi Ohtsuka ,  Yoji Okazaki ,  Hiroaki Hyuga ,  Shinji Mitsumoto

    IPC分类号： G02F1/37 ,  H01S3/02 ,  H01S3/04 ,  H01S3/042 ,  H01S3/094 ,  H01S3/0941 ,  H01S3/102 ,  H01S3/109

    CPC分类号： H01S3/025 ,  H01S3/042 ,  H01S3/0401 ,  H01S3/0405 ,  H01S3/09415 ,  H01S3/1028 ,  H01S3/109

    摘要： A laser diode pumped solid laser comprises an optical module comprising a laser diode, a solid laser crystal, which is excited by a laser beam produced by the laser diode, and a resonator. An electronic cooling device has a cooling surface, on which the optical module is placed, and a heat radiating surface. An inner case housing houses the optical module therein on the cooling surface of the electronic cooling device. An outer case housing houses the inner case housing and the electronic cooling device therein and supports the electronic cooling device via its heat radiating surface. A temperature sensor detects the temperature in the region inside of the inner case housing. A control circuit controls the electronic cooling device in accordance with an output of the temperature sensor and thereby keeps the temperature in the region inside of the inner case housing at a predetermined target value.

    摘要翻译： 激光二极管泵浦固体激光器包括光学模块，其包括由激光二极管产生的激光束激发的激光二极管，固体激光晶体和谐振器。 电子冷却装置具有其上放置有光学模块的冷却表面和散热表面。 内壳体在电子冷却装置的冷却表面上容纳光学模块。 外壳的外壳容纳内壳体和电子冷却装置，并通过其散热面支撑电子冷却装置。 温度传感器检测内壳体内部区域的温度。 控制电路根据温度传感器的输出控制电子冷却装置，从而将内壳体内的区域内的温度保持在预定的目标值。