Sensitive photothermal interferometric detection method for characterization of transparent plate

Bincheng Li; Yanzhuo Deng; Jieke Cheng
October 1996
Review of Scientific Instruments;Oct96, Vol. 67 Issue 10, p3649
Academic Journal
Discusses the use of a sensitive photothermal interferometric detection technique, in which an interference fringe pattern formed by overlapping two reflected probe beams from the front an drear surfaces of the sample, to measure the photothermal signal. Intensity distribution of interference fringe pattern; Measurement of small phase shift.


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