Method for improving terahertz band absorption spectrum measurement accuracy using noncontact sample thickness measurement.

Abstract

The terahertz absorption spectrum has a complex nonlinear relationship with sample thickness, which is normally measured mechanically with limited accuracy. As a result, the terahertz absorption spectrum is usually determined incorrectly. In this paper, an iterative algorithm is proposed to accurately determine sample thickness. This algorithm is… (More)
DOI: 10.1364/AO.51.004879

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