| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for optical imaging, particularly with optical coherence tomography, using a low coherence light beam reflected from a sample surface and compared to a reference light beam. <P>SOLUTION: Real time dynamic optical feedback is used to detect a surface position of a tissue sample with respect to a reference point and a necessary delay scan range. The delay is provided by a tilting/rotating mirror actuated by a voltage adjustable galvanometer. An imaging probe apparatus for implementing the method is provided. The probe initially scans along one line until it finds the tissue surface, identifiable as a sharp transition from no signal to a stronger signal. The next time the probe scans the next line it adjusts the waveform depending on the previous scan. An algorithm is disclosed for determining the optimal scan range. <P>COPYRIGHT: (C)2013,JPO&INPIT |
