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    APPARATUS AND METHOD FOR CONTROLLING THE OPERATING WAVELENGTH OF A LASER
    1.
    发明申请
    APPARATUS AND METHOD FOR CONTROLLING THE OPERATING WAVELENGTH OF A LASER 审中-公开
    用于控制激光器的工作波长的装置和方法

    公开(公告)号：WO02097936A3

    公开(公告)日：2003-05-01

    申请号：PCT/US0217299

    申请日：2002-05-30

    Applicant: ALTITUN AB

    Inventor： VILHELMSSON KENNET ,  BROBERG BJORN ,  PLASTOW ROBERT

    IPC: G01J9/02 ,  H01S3/13 ,  H01S5/0625 ,  H01S5/0687 ,  H01S5/12

    CPC classification number: G01J9/0246 ,  G01J2009/0257 ,  H01S3/1305 ,  H01S5/06256 ,  H01S5/0687 ,  H01S5/1209

    Abstract: The present invention relates to an approach to locking the output wavelength of a laser (102) that uses an etalon (112) having non-parallel surfaces (122, 124). Under this approach, the non-parallel etalon (112) is formed from a readily available, low cost optical component, and may include an etalon with a wedged shape or with at least one curved surface. This approach offers significant advantages over the use of a planar etalon. It provides two degrees of freedom in alignment of the device, and so both the absolute wavelength and the spacing between the interference fringes can be independently adjusted. It also reduces the cost and difficulty of assembly, since it utilizes standard optical parts with wide tolerances. The invention may be used within a standard laser package. The invention also permits the laser to be tuned to a precise operating wavelength by setting various tuning signals according to values stored in memory.

    Abstract translation: 本发明涉及锁定使用具有非平行表面（122,124）的标准具（112）的激光器（102）的输出波长的方法。 在这种方法下，非平行标准具（112）由易于获得的低成本光学部件形成，并且可以包括具有楔形形状或至少一个弯曲表面的标准具。 这种方法比使用平面标准具具有显着的优点。 它提供了器件对准的两个自由度，因此绝对波长和干涉条纹之间的间隔都可以独立调整。 它也降低了组装的成本和难度，因为它采用了宽公差的标准光学部件。 本发明可以在标准激光器封装内使用。 本发明还允许通过根据存储在存储器中的值设置各种调谐信号来将激光器调谐到精确的工作波长。

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