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    Grating based laser and power monitor for a heat-assisted magnetic recording device
    1.
    发明授权
    Grating based laser and power monitor for a heat-assisted magnetic recording device 有权
    用于热辅助磁记录装置的基于光栅的激光和功率监视器

    公开(公告)号：US09165591B2

    公开(公告)日：2015-10-20

    申请号：US13961762

    申请日：2013-08-07

    Applicant: Seagate Technology LLC

    Inventor： Michael Allen Seigler ,  Delai Zhou

    IPC: G11B11/00 ,  G11B11/105

    CPC classification number: G11B11/10595 ,  G11B5/02 ,  G11B5/10 ,  G11B5/105 ,  G11B5/455 ,  G11B5/6088 ,  G11B11/10515 ,  G11B11/10554 ,  G11B2005/0021

    Abstract: A head assembly includes a submount, a body with a first surface, an optical path, a near field transducer (NFT), a sensor, and a laser. The optical path is disposed in the body and is adapted to receive light and convey the light to a distal end of the waveguide. The near field transducer (NFT) is disposed adjacent the distal end of the waveguide and has an output end proximate the first surface of the body. The sensor interfaces with the submount and the laser is attached to the submount along a non-primary lasing surface. The laser is adapted to inject light into the waveguide and includes a grating adapted to diffract a portion of the light through the non-primary lasing surface to the sensor.

    Abstract translation: 头组件包括底座，具有第一表面的主体，光路，近场换能器（NFT），传感器和激光器。 光路设置在主体中并且适于接收光并将光传送到波导的远端。 近场换能器（NFT）设置在波导的远端附近并且具有靠近主体的第一表面的输出端。 传感器与底座接口，激光器沿着非主激光表面连接到基座。 激光器适于将光注入波导并且包括适于将光的一部分通过非主激光表面衍射到传感器的光栅。

    GRATING BASED LASER AND POWER MONITOR FOR A HEAT-ASSISTED MAGNETIC RECORDING DEVICE
    2.
    发明申请
    GRATING BASED LASER AND POWER MONITOR FOR A HEAT-ASSISTED MAGNETIC RECORDING DEVICE 有权
    用于热辅助磁记录装置的基于光泽度的激光和功率监测器

    公开(公告)号：US20150043317A1

    公开(公告)日：2015-02-12

    申请号：US13961762

    申请日：2013-08-07

    Applicant: Seagate Technology LLC

    Inventor： Michael Allen Seigler ,  Delai Zhou

    IPC: G11B13/08

    CPC classification number: G11B11/10595 ,  G11B5/02 ,  G11B5/10 ,  G11B5/105 ,  G11B5/455 ,  G11B5/6088 ,  G11B11/10515 ,  G11B11/10554 ,  G11B2005/0021

    Abstract: A head assembly includes a submount, a body with a first surface, an optical path, a near field transducer (NFT), a sensor, and a laser. The optical path is disposed in the body and is adapted to receive light and convey the light to a distal end of the waveguide. The near field transducer (NFT) is disposed adjacent the distal end of the waveguide and has an output end proximate the first surface of the body. The sensor interfaces with the submount and the laser is attached to the submount along a non-primary lasing surface. The laser is adapted to inject light into the waveguide and includes a grating adapted to diffract a portion of the light through the non-primary lasing surface to the sensor.

    Abstract translation: 头组件包括底座，具有第一表面的主体，光路，近场换能器（NFT），传感器和激光器。 光路设置在主体中并且适于接收光并将光传送到波导的远端。 近场换能器（NFT）设置在波导的远端附近并且具有靠近主体的第一表面的输出端。 传感器与底座接口，激光器沿着非主激光表面连接到基座。 激光器适于将光注入波导并且包括适于将光的一部分通过非主激光表面衍射到传感器的光栅。

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