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    • 8. 发明授权
    • Switchable laser using a faraday rotator
    • 可切换激光器使用法拉第旋转器
    • US06212209B1
    • 2001-04-03
    • US09042526
    • 1998-03-16
    • Jean-Marc Pierre Delavaux
    • Jean-Marc Pierre Delavaux
    • H01S311
    • H01S3/1124H01S3/08009
    • In a laser such as a mode-locked or Q-switched laser, one of the resonator reflectors comprises a switchable Faraday rotator mirror coupled to a switchable magnetic field source. The operation of the laser is therefore controlled by the application of the magnetic field to the Faraday rotator device. When no magnetic field is applied, the device behaves as an isolator and thereby breaks the signal path between the resonator reflectors. When a saturation magnetic field is applied, the reflectors, disposed on opposite sides of the optical gain medium, thereby form a cavity such that lasing will occur. The device may be formed of discrete components or fabricated as an integrated optical device.
    • 在诸如锁模或Q开关激光器的激光器中,谐振器反射器之一包括耦合到可切换磁场源的可切换法拉第旋转镜。 因此,通过将磁场施加到法拉第转子装置来控制激光器的操作。 当不施加磁场时,器件作为隔离器,从而破坏谐振器反射器之间的信号路径。 当施加饱和磁场时,设置在光学增益介质的相对侧上的反射器由此形成空腔,使得发生激光发射。 该器件可以由分立元件形成或制成为集成光学器件。