Adjustable athermal package for optical fiber devices
    1.
    发明授权
    Adjustable athermal package for optical fiber devices 有权
    光纤设备的可调节无热封装

    公开(公告)号:US06907164B2

    公开(公告)日:2005-06-14

    申请号:US09952715

    申请日:2001-09-12

    摘要: An athermally packaged optical fiber device, such as a Bragg grating, is provided. The device includes a hollow structure, and a free and a threaded member projecting in the hollow structure from both ends. The optical fiber is mounted in tension inside the hollow structure through longitudinal fiber-receiving bores in both members, and has an anchor point affixed to each member with the grating therebetween. The anchor point of the threaded member is provided outside of the hollow structure, making the device more compact. The free and threaded members are rotatable together to adjust the resonant wavelength of the grating, and a nut may be provided to allow a fine-tuning. The hollow structure, free member and threaded member have a coefficient of thermal expansion selected so that they together compensate for the temperature dependency of the Bragg wavelength.

    摘要翻译: 提供了诸如布拉格光栅之类的非热封封的光纤器件。 该装置包括中空结构,以及从两端突出到中空结构中的自由螺纹构件。 光纤通过两个构件中的纵向光纤接收孔安装在中空结构内部的张力中,并且具有固定到每个构件的锚点,其间具有光栅。 螺纹构件的固定点设置在中空结构的外侧,使得该装置更紧凑。 自由和螺纹构件可以一起旋转以调节光栅的谐振波长,并且可以提供螺母以允许微调。 中空结构,自由构件和螺纹构件具有选择的热膨胀系数,使得它们一起补偿布拉格波长的温度依赖性。