A measurement system has a modulated laser source that illuminates a target within the measurement system. The modulated laser source has a first coherence length in an unmodulated state, and a second coherence length in a modulated state that is shorter than the first coherence length. The measurement system includes a detector that receives a deflected signal from the target and provides a detected signal having a signal component and a drift component, wherein the drift component is lower in the modulated state than in the unmodulated state of the modulated laser source.
申请公布号
WO2007018833(A3)
申请公布日期
2007.04.26
申请号
WO2006US25805
申请日期
2006.06.30
申请人
AGILENT TECHNOLOGIES, INC.
发明人
VANWIGGEREN, GREGORY, D.;BANEY, DOUGLAS, M.;CORZINE, SCOTT, W.