Calibration method to improve the accuracy of THz imaging and spectroscopy in reflection geometry
Photonics Research, 2016•opg.optica.org
We introduce a novel method to accurately extract the optical parameters in terahertz
reflection imaging. Our method builds on standard self-referencing methods using the
reflected signal from the bottom of the imaging window material to further compensate for
time-dependent system fluctuations and position-dependent variation in the window
thickness. Our proposed method not only improves the accuracy, but also simplifies the
imaging procedure and reduces measurement times.
reflection imaging. Our method builds on standard self-referencing methods using the
reflected signal from the bottom of the imaging window material to further compensate for
time-dependent system fluctuations and position-dependent variation in the window
thickness. Our proposed method not only improves the accuracy, but also simplifies the
imaging procedure and reduces measurement times.
We introduce a novel method to accurately extract the optical parameters in terahertz reflection imaging. Our method builds on standard self-referencing methods using the reflected signal from the bottom of the imaging window material to further compensate for time-dependent system fluctuations and position-dependent variation in the window thickness. Our proposed method not only improves the accuracy, but also simplifies the imaging procedure and reduces measurement times.
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