1.
    发明专利
    未知

    公开(公告)号:AT443248T

    公开(公告)日:2009-10-15

    申请号:AT05803742

    申请日:2005-09-30

    Applicant: PICOMETRIX LLC

    Abstract: A system for varying a delay of an optical beam has a rotatable wheel and a set of one or more prisms mounted about a circumference of the rotatable wheel. The set of one or more prisms are positioned to retroreflect the optical beam that passes approximately tangent to the rotatable wheel to cause a delay or phase shift to the beam as the rotatable wheel rotates.

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