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Table 1 Main parameters of the terahertz BWO-spectrometer

From: Ge/Si(001) heterostructures with dense arrays of Ge quantum dots: morphology, defects, photo-emf spectra and terahertz conductivity

Frequency range , THz 0.03 to 2
Probing radiation power, mW 1 to 100
Frequency resolution:  
relative, Δν/ν 10−4–10−5
absolute, cm−1 0.001
Dynamical range, dB 40 to 60
Signal to noise ratio 104 to 106
Probing radiation polarization degree, % 99.99
Time to record a spectrum of 100 points, s:  
amplitude Tr(ν) 10 to 20
phase φ(ν) 20 to 40
Temperature interval, K 2 to 300
Magnetic fields, T up to 7