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(a) Experimental and (b) calculated amplitude spectra of the transmitted THz pulse for various sample widths.
Experimental and calculated (a) spectral bandwidth and (b) total integrated power of the transmitted THz pulses as a function of sample thickness.
Experimental and calculated temporal THz waveforms transmitted through sample thickness of (a) and (b) . The inset in (a) depicts the reference pulse used in the experiment and simulation, and the inset in (b) plots the tail end of the calculated pulse using ballistic and scattered photons (solid line) and ballistic photons (dotted line).
Transmitted THz pulse delay relative to the reference pulse vs sample thickness. The delay is measured at the initial rise of the first pulse peak.
Experimental (top) and calculated (bottom) temporal THz waveforms transmitted through the sample for a thickness of . The calculated THz waveform is derived from a modified phase shown in the inset (solid line) along with the unmodified phase (dashed line).
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